1. Last login: Mon Dec  5 22:05:34 on ttys011
2. You have mail.
3. Nagendrans-MacBook-Pro:content-service ualagna$ ssh ualagna@bridge.pearsoncmg.com
4. Last login: Tue Dec  6 10:34:16 2016 from 12.119.202.166
5. -bash-4.1$ ssh ualagna@bridge.realizedev.com
6. Last login: Tue Dec  6 15:34:19 2016 from 206.31.248.24
7.  
8.        __|  __|_  )
9.        _|  (     /   Amazon Linux AMI
10.       ___|\___|___|
11.  
12. https://aws.amazon.com/amazon-linux-ami/2016.09-release-notes/
13. 14 package(s) needed for security, out of 22 available
14. Run "sudo yum update" to apply all updates.
15. [ualagna@ip-10-0-0-175 ~]$  ssh ec2-user@10.0.1.210
16. Last login: Wed Nov 30 14:27:23 2016 from ip-10-0-0-175.ec2.internal
17.  
18.        __|  __|_  )
19.        _|  (     /   Amazon Linux AMI
20.       ___|\___|___|
21.  
22. https://aws.amazon.com/amazon-linux-ami/2016.09-release-notes/
23. 3 package(s) needed for security, out of 9 available
24. Run "sudo yum update" to apply all updates.
25. [ec2-user@ip-10-0-1-210 ~]$ cd /fs/apps/inst_9080/logs/
26. [ec2-user@ip-10-0-1-210 logs]$ tail -500f assignment_service
27. tail: cannot open ‘assignment_service’ for reading: No such file or directory
28. tail: no files remaining
29. [ec2-user@ip-10-0-1-210 logs]$ tail -500f assignment_service.log
30.         at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:110) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
31.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
32.         at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:57) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
33.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
34.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
35.         at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
36.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
37.         at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:50) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
38.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
39.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
40.         at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
41.         at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
42.         at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
43.         at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
44.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
45.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
46.         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) [catalina.jar:8.0.17]
47.         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) [catalina.jar:8.0.17]
48.         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142) [catalina.jar:8.0.17]
49.         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) [catalina.jar:8.0.17]
50.         at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610) [catalina.jar:8.0.17]
51.         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) [catalina.jar:8.0.17]
52.         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:516) [catalina.jar:8.0.17]
53.         at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1086) [tomcat-coyote.jar:8.0.17]
54.         at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:659) [tomcat-coyote.jar:8.0.17]
55.         at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:223) [tomcat-coyote.jar:8.0.17]
56.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1558) [tomcat-coyote.jar:8.0.17]
57.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1515) [tomcat-coyote.jar:8.0.17]
58.         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_65]
59.         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_65]
60.         at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-util.jar:8.0.17]
61.         at java.lang.Thread.run(Thread.java:745) [?:1.8.0_65]
62. Caused by: java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
63.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:126) ~[tomcat-dbcp.jar:8.0.17]
64.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
65.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
66.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
67.         ... 86 more
68. Caused by: java.util.NoSuchElementException: Timeout waiting for idle object
69.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:446) ~[tomcat-dbcp.jar:8.0.17]
70.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:360) ~[tomcat-dbcp.jar:8.0.17]
71.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:118) ~[tomcat-dbcp.jar:8.0.17]
72.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
73.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
74.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
75.         ... 86 more
76. ERROR [http-nio-10.0.1.210-9190-exec-33] controller.AbstractAjaxController.[[]] Dec/06 15:48:49 - Unhandled exception
77. org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
78.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:80) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
79.         at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:630) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
80.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:695) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
81.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:722) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
82.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:772) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
83.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.query(NamedParameterJdbcTemplate.java:192) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
84.         at com.pearson.ltg.assignments.dataaccess.LoginStatisticsDataService.getTeacherStatisticsByTimeRangeAndClassIds(LoginStatisticsDataService.java:50) ~[LoginStatisticsDataService.class:?]
85.         at com.pearson.ltg.assignments.dataaccess.LoginStatisticsDataService$$FastClassBySpringCGLIB$$97d814f9.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
86.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
87.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:649) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
88.         at com.pearson.ltg.assignments.dataaccess.LoginStatisticsDataService$$EnhancerBySpringCGLIB$$2e3fe536.getTeacherStatisticsByTimeRangeAndClassIds(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
89.         at com.pearson.ltg.assignments.service.AssignmentService.getTeacherLoginStatistics(AssignmentService.java:816) ~[AssignmentService.class:?]
90.         at com.pearson.ltg.assignments.service.AssignmentService$$FastClassBySpringCGLIB$$1d5f64e9.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
91.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
92.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:649) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
93.         at com.pearson.ltg.assignments.service.AssignmentService$$EnhancerBySpringCGLIB$$339ea726.getTeacherLoginStatistics(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
94.         at com.pearson.ltg.assignments.controller.AssignmentController.getTeacherLoginStatistics(AssignmentController.java:395) ~[AssignmentController.class:?]
95.         at sun.reflect.GeneratedMethodAccessor175.invoke(Unknown Source) ~[?:?]
96.         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_65]
97.         at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_65]
98.         at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
99.         at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
100.         at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
101.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:776) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
102.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:705) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
103.         at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
104.         at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
105.         at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
106.         at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:967) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
107.         at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:869) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
108.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:644) [servlet-api.jar:?]
109.         at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:843) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
110.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) [servlet-api.jar:?]
111.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) [catalina.jar:8.0.17]
112.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
113.         at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat-websocket.jar:8.0.17]
114.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
115.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
116.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
117.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
118.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
119.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
120.         at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
121.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
122.         at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
123.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
124.         at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
125.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
126.         at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:154) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
127.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
128.         at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
129.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
130.         at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
131.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
132.         at org.springframework.security.oauth2.provider.authentication.OAuth2AuthenticationProcessingFilter.doFilter(OAuth2AuthenticationProcessingFilter.java:176) [spring-security-oauth2-2.0.8.RELEASE.jar:?]
133.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
134.         at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:110) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
135.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
136.         at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:57) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
137.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
138.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
139.         at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
140.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
141.         at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:50) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
142.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
143.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
144.         at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
145.         at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
146.         at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
147.         at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
148.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
149.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
150.         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) [catalina.jar:8.0.17]
151.         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) [catalina.jar:8.0.17]
152.         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142) [catalina.jar:8.0.17]
153.         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) [catalina.jar:8.0.17]
154.         at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610) [catalina.jar:8.0.17]
155.         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) [catalina.jar:8.0.17]
156.         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:516) [catalina.jar:8.0.17]
157.         at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1086) [tomcat-coyote.jar:8.0.17]
158.         at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:659) [tomcat-coyote.jar:8.0.17]
159.         at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:223) [tomcat-coyote.jar:8.0.17]
160.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1558) [tomcat-coyote.jar:8.0.17]
161.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1515) [tomcat-coyote.jar:8.0.17]
162.         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_65]
163.         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_65]
164.         at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-util.jar:8.0.17]
165.         at java.lang.Thread.run(Thread.java:745) [?:1.8.0_65]
166. Caused by: java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
167.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:126) ~[tomcat-dbcp.jar:8.0.17]
168.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
169.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
170.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
171.         ... 87 more
172. Caused by: java.util.NoSuchElementException: Timeout waiting for idle object
173.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:446) ~[tomcat-dbcp.jar:8.0.17]
174.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:360) ~[tomcat-dbcp.jar:8.0.17]
175.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:118) ~[tomcat-dbcp.jar:8.0.17]
176.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
177.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
178.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
179.         ... 87 more
180. ERROR [http-nio-10.0.1.210-9190-exec-39] controller.AbstractAjaxController.[[]] Dec/06 15:49:31 - Unhandled exception
181. org.apache.catalina.connector.ClientAbortException: java.io.IOException: Broken pipe
182.         at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:393) ~[catalina.jar:8.0.17]
183.         at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:426) ~[tomcat-util.jar:8.0.17]
184.         at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:339) ~[tomcat-util.jar:8.0.17]
185.         at org.apache.catalina.connector.OutputBuffer.writeBytes(OutputBuffer.java:418) ~[catalina.jar:8.0.17]
186.         at org.apache.catalina.connector.OutputBuffer.write(OutputBuffer.java:406) ~[catalina.jar:8.0.17]
187.         at org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:97) ~[catalina.jar:8.0.17]
188.         at org.springframework.security.web.context.SaveContextOnUpdateOrErrorResponseWrapper$SaveContextServletOutputStream.write(SaveContextOnUpdateOrErrorResponseWrapper.java:457) ~[spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
189.         at com.fasterxml.jackson.core.json.UTF8JsonGenerator._flushBuffer(UTF8JsonGenerator.java:1853) ~[jackson-core-2.4.4.jar:2.4.4]
190.         at com.fasterxml.jackson.core.json.UTF8JsonGenerator.writeString(UTF8JsonGenerator.java:443) ~[jackson-core-2.4.4.jar:2.4.4]
191.         at com.fasterxml.jackson.databind.ser.std.StringSerializer.serialize(StringSerializer.java:37) ~[jackson-databind-2.4.4.jar:2.4.4]
192.         at com.fasterxml.jackson.databind.ser.std.StringSerializer.serialize(StringSerializer.java:21) ~[jackson-databind-2.4.4.jar:2.4.4]
193.         at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:505) ~[jackson-databind-2.4.4.jar:2.4.4]
194.         at com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:639) ~[jackson-databind-2.4.4.jar:2.4.4]
195.         at com.fasterxml.jackson.databind.ser.BeanSerializer.serialize(BeanSerializer.java:152) ~[jackson-databind-2.4.4.jar:2.4.4]
196.         at com.fasterxml.jackson.databind.ser.impl.IndexedListSerializer.serializeContents(IndexedListSerializer.java:100) ~[jackson-databind-2.4.4.jar:2.4.4]
197.         at com.fasterxml.jackson.databind.ser.impl.IndexedListSerializer.serializeContents(IndexedListSerializer.java:21) ~[jackson-databind-2.4.4.jar:2.4.4]
198.         at com.fasterxml.jackson.databind.ser.std.AsArraySerializerBase.serialize(AsArraySerializerBase.java:183) ~[jackson-databind-2.4.4.jar:2.4.4]
199.         at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:505) ~[jackson-databind-2.4.4.jar:2.4.4]
200.         at com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:639) ~[jackson-databind-2.4.4.jar:2.4.4]
201.         at com.fasterxml.jackson.databind.ser.BeanSerializer.serialize(BeanSerializer.java:152) ~[jackson-databind-2.4.4.jar:2.4.4]
202.         at com.fasterxml.jackson.databind.ser.impl.IndexedListSerializer.serializeContents(IndexedListSerializer.java:100) ~[jackson-databind-2.4.4.jar:2.4.4]
203.         at com.fasterxml.jackson.databind.ser.impl.IndexedListSerializer.serializeContents(IndexedListSerializer.java:21) ~[jackson-databind-2.4.4.jar:2.4.4]
204.         at com.fasterxml.jackson.databind.ser.std.AsArraySerializerBase.serialize(AsArraySerializerBase.java:183) ~[jackson-databind-2.4.4.jar:2.4.4]
205.         at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:505) ~[jackson-databind-2.4.4.jar:2.4.4]
206.         at com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:639) ~[jackson-databind-2.4.4.jar:2.4.4]
207.         at com.fasterxml.jackson.databind.ser.BeanSerializer.serialize(BeanSerializer.java:152) ~[jackson-databind-2.4.4.jar:2.4.4]
208.         at com.fasterxml.jackson.databind.ser.impl.IndexedListSerializer.serializeContents(IndexedListSerializer.java:100) ~[jackson-databind-2.4.4.jar:2.4.4]
209.         at com.fasterxml.jackson.databind.ser.impl.IndexedListSerializer.serializeContents(IndexedListSerializer.java:21) ~[jackson-databind-2.4.4.jar:2.4.4]
210.         at com.fasterxml.jackson.databind.ser.std.AsArraySerializerBase.serialize(AsArraySerializerBase.java:183) ~[jackson-databind-2.4.4.jar:2.4.4]
211.         at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:505) ~[jackson-databind-2.4.4.jar:2.4.4]
212.         at com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:639) ~[jackson-databind-2.4.4.jar:2.4.4]
213.         at com.fasterxml.jackson.databind.ser.BeanSerializer.serialize(BeanSerializer.java:152) ~[jackson-databind-2.4.4.jar:2.4.4]
214.         at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:505) ~[jackson-databind-2.4.4.jar:2.4.4]
215.         at com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:639) ~[jackson-databind-2.4.4.jar:2.4.4]
216.         at com.fasterxml.jackson.databind.ser.BeanSerializer.serialize(BeanSerializer.java:152) ~[jackson-databind-2.4.4.jar:2.4.4]
217.         at com.fasterxml.jackson.databind.ser.DefaultSerializerProvider.serializeValue(DefaultSerializerProvider.java:128) ~[jackson-databind-2.4.4.jar:2.4.4]
218.         at com.fasterxml.jackson.databind.ObjectMapper.writeValue(ObjectMapper.java:1902) ~[jackson-databind-2.4.4.jar:2.4.4]
219.         at org.springframework.http.converter.json.AbstractJackson2HttpMessageConverter.writeInternal(AbstractJackson2HttpMessageConverter.java:231) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
220.         at org.springframework.http.converter.AbstractHttpMessageConverter.write(AbstractHttpMessageConverter.java:208) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
221.         at org.springframework.web.servlet.mvc.method.annotation.AbstractMessageConverterMethodProcessor.writeWithMessageConverters(AbstractMessageConverterMethodProcessor.java:161) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
222.         at org.springframework.web.servlet.mvc.method.annotation.AbstractMessageConverterMethodProcessor.writeWithMessageConverters(AbstractMessageConverterMethodProcessor.java:101) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
223.         at org.springframework.web.servlet.mvc.method.annotation.RequestResponseBodyMethodProcessor.handleReturnValue(RequestResponseBodyMethodProcessor.java:185) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
224.         at org.springframework.web.method.support.HandlerMethodReturnValueHandlerComposite.handleReturnValue(HandlerMethodReturnValueHandlerComposite.java:71) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
225.         at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:126) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
226.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:776) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
227.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:705) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
228.         at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
229.         at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
230.         at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
231.         at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:967) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
232.         at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:858) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
233.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:618) [servlet-api.jar:?]
234.         at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:843) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
235.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) [servlet-api.jar:?]
236.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) [catalina.jar:8.0.17]
237.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
238.         at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat-websocket.jar:8.0.17]
239.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
240.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
241.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
242.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
243.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
244.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
245.         at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
246.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
247.         at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
248.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
249.         at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
250.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
251.         at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:154) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
252.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
253.         at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
254.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
255.         at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
256.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
257.         at org.springframework.security.oauth2.provider.authentication.OAuth2AuthenticationProcessingFilter.doFilter(OAuth2AuthenticationProcessingFilter.java:176) [spring-security-oauth2-2.0.8.RELEASE.jar:?]
258.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
259.         at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:110) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
260.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
261.         at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:57) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
262.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
263.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
264.         at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
265.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
266.         at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:50) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
267.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
268.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
269.         at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
270.         at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
271.         at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
272.         at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
273.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
274.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
275.         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) [catalina.jar:8.0.17]
276.         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) [catalina.jar:8.0.17]
277.         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142) [catalina.jar:8.0.17]
278.         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) [catalina.jar:8.0.17]
279.         at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610) [catalina.jar:8.0.17]
280.         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) [catalina.jar:8.0.17]
281.         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:516) [catalina.jar:8.0.17]
282.         at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1086) [tomcat-coyote.jar:8.0.17]
283.         at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:659) [tomcat-coyote.jar:8.0.17]
284.         at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:223) [tomcat-coyote.jar:8.0.17]
285.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1558) [tomcat-coyote.jar:8.0.17]
286.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1515) [tomcat-coyote.jar:8.0.17]
287.         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_65]
288.         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_65]
289.         at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-util.jar:8.0.17]
290.         at java.lang.Thread.run(Thread.java:745) [?:1.8.0_65]
291. Caused by: java.io.IOException: Broken pipe
292.         at sun.nio.ch.FileDispatcherImpl.write0(Native Method) ~[?:1.8.0_65]
293.         at sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:47) ~[?:1.8.0_65]
294.         at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:93) ~[?:1.8.0_65]
295.         at sun.nio.ch.IOUtil.write(IOUtil.java:65) ~[?:1.8.0_65]
296.         at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:471) ~[?:1.8.0_65]
297.         at org.apache.tomcat.util.net.NioChannel.write(NioChannel.java:127) ~[tomcat-coyote.jar:8.0.17]
298.         at org.apache.tomcat.util.net.NioBlockingSelector.write(NioBlockingSelector.java:101) ~[tomcat-coyote.jar:8.0.17]
299.         at org.apache.tomcat.util.net.NioSelectorPool.write(NioSelectorPool.java:173) ~[tomcat-coyote.jar:8.0.17]
300.         at org.apache.coyote.http11.InternalNioOutputBuffer.writeToSocket(InternalNioOutputBuffer.java:139) ~[tomcat-coyote.jar:8.0.17]
301.         at org.apache.coyote.http11.InternalNioOutputBuffer.addToBB(InternalNioOutputBuffer.java:197) ~[tomcat-coyote.jar:8.0.17]
302.         at org.apache.coyote.http11.InternalNioOutputBuffer.access$000(InternalNioOutputBuffer.java:41) ~[tomcat-coyote.jar:8.0.17]
303.         at org.apache.coyote.http11.InternalNioOutputBuffer$SocketOutputBuffer.doWrite(InternalNioOutputBuffer.java:320) ~[tomcat-coyote.jar:8.0.17]
304.         at org.apache.coyote.http11.filters.ChunkedOutputFilter.doWrite(ChunkedOutputFilter.java:116) ~[tomcat-coyote.jar:8.0.17]
305.         at org.apache.coyote.http11.AbstractOutputBuffer.doWrite(AbstractOutputBuffer.java:256) ~[tomcat-coyote.jar:8.0.17]
306.         at org.apache.coyote.Response.doWrite(Response.java:503) ~[tomcat-coyote.jar:8.0.17]
307.         at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:388) ~[catalina.jar:8.0.17]
308.         ... 108 more
309. ERROR [http-nio-10.0.1.210-9190-exec-39] annotation.ExceptionHandlerExceptionResolver.[[]] Dec/06 15:49:31 - Failed to invoke @ExceptionHandler method: public void com.pearson.ltg.common.controller.AbstractAjaxController.catchUnhandledExceptions(javax.servlet.http.HttpServletResponse,java.lang.Exception) throws java.io.IOException
310. org.apache.catalina.connector.ClientAbortException: java.io.IOException: Broken pipe
311.         at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:393) ~[catalina.jar:8.0.17]
312.         at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:426) ~[tomcat-util.jar:8.0.17]
313.         at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:339) ~[tomcat-util.jar:8.0.17]
314.         at org.apache.catalina.connector.OutputBuffer.writeBytes(OutputBuffer.java:418) ~[catalina.jar:8.0.17]
315.         at org.apache.catalina.connector.OutputBuffer.write(OutputBuffer.java:406) ~[catalina.jar:8.0.17]
316.         at org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:97) ~[catalina.jar:8.0.17]
317.         at org.springframework.security.web.context.SaveContextOnUpdateOrErrorResponseWrapper$SaveContextServletOutputStream.write(SaveContextOnUpdateOrErrorResponseWrapper.java:457) ~[spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
318.         at com.fasterxml.jackson.core.json.UTF8JsonGenerator._flushBuffer(UTF8JsonGenerator.java:1853) ~[jackson-core-2.4.4.jar:2.4.4]
319.         at com.fasterxml.jackson.core.json.UTF8JsonGenerator.flush(UTF8JsonGenerator.java:1034) ~[jackson-core-2.4.4.jar:2.4.4]
320.         at com.fasterxml.jackson.databind.ObjectMapper.writeValue(ObjectMapper.java:1904) ~[jackson-databind-2.4.4.jar:2.4.4]
321.         at org.springframework.http.converter.json.AbstractJackson2HttpMessageConverter.writeInternal(AbstractJackson2HttpMessageConverter.java:231) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
322.         at com.pearson.ltg.common.spring.AjaxResponseJacksonMessageConverter.writeInternal(AjaxResponseJacksonMessageConverter.java:81) ~[pearson-common-coresvcs-1.12.0-SNAPSHOT.jar:1.12.0-SNAPSHOT]
323.         at org.springframework.http.converter.AbstractHttpMessageConverter.write(AbstractHttpMessageConverter.java:208) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
324.         at com.pearson.ltg.common.service.AjaxResponseWriter.writeAjaxResponse(AjaxResponseWriter.java:99) ~[pearson-common-coresvcs-1.12.0-SNAPSHOT.jar:1.12.0-SNAPSHOT]
325.         at com.pearson.ltg.common.service.AjaxResponseWriter.writeAjaxResponse(AjaxResponseWriter.java:87) ~[pearson-common-coresvcs-1.12.0-SNAPSHOT.jar:1.12.0-SNAPSHOT]
326.         at com.pearson.ltg.common.controller.AbstractAjaxController.writeErrorResponse(AbstractAjaxController.java:187) ~[pearson-common-coresvcs-1.12.0-SNAPSHOT.jar:1.12.0-SNAPSHOT]
327.         at com.pearson.ltg.common.controller.AbstractAjaxController.catchUnhandledExceptions(AbstractAjaxController.java:171) ~[pearson-common-coresvcs-1.12.0-SNAPSHOT.jar:1.12.0-SNAPSHOT]
328.         at sun.reflect.GeneratedMethodAccessor388.invoke(Unknown Source) ~[?:?]
329.         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_65]
330.         at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_65]
331.         at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
332.         at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
333.         at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
334.         at org.springframework.web.servlet.mvc.method.annotation.ExceptionHandlerExceptionResolver.doResolveHandlerMethodException(ExceptionHandlerExceptionResolver.java:362) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
335.         at org.springframework.web.servlet.handler.AbstractHandlerMethodExceptionResolver.doResolveException(AbstractHandlerMethodExceptionResolver.java:60) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
336.         at org.springframework.web.servlet.handler.AbstractHandlerExceptionResolver.resolveException(AbstractHandlerExceptionResolver.java:138) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
337.         at org.springframework.web.servlet.DispatcherServlet.processHandlerException(DispatcherServlet.java:1183) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
338.         at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1020) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
339.         at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:971) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
340.         at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
341.         at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:967) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
342.         at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:858) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
343.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:618) [servlet-api.jar:?]
344.         at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:843) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
345.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) [servlet-api.jar:?]
346.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) [catalina.jar:8.0.17]
347.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
348.         at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat-websocket.jar:8.0.17]
349.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
350.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
351.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
352.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
353.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
354.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
355.         at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
356.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
357.         at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
358.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
359.         at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
360.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
361.         at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:154) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
362.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
363.         at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
364.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
365.         at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
366.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
367.         at org.springframework.security.oauth2.provider.authentication.OAuth2AuthenticationProcessingFilter.doFilter(OAuth2AuthenticationProcessingFilter.java:176) [spring-security-oauth2-2.0.8.RELEASE.jar:?]
368.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
369.         at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:110) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
370.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
371.         at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:57) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
372.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
373.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
374.         at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
375.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
376.         at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:50) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
377.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
378.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
379.         at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
380.         at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
381.         at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
382.         at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
383.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
384.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
385.         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) [catalina.jar:8.0.17]
386.         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) [catalina.jar:8.0.17]
387.         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142) [catalina.jar:8.0.17]
388.         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) [catalina.jar:8.0.17]
389.         at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610) [catalina.jar:8.0.17]
390.         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) [catalina.jar:8.0.17]
391.         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:516) [catalina.jar:8.0.17]
392.         at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1086) [tomcat-coyote.jar:8.0.17]
393.         at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:659) [tomcat-coyote.jar:8.0.17]
394.         at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:223) [tomcat-coyote.jar:8.0.17]
395.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1558) [tomcat-coyote.jar:8.0.17]
396.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1515) [tomcat-coyote.jar:8.0.17]
397.         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_65]
398.         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_65]
399.         at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-util.jar:8.0.17]
400.         at java.lang.Thread.run(Thread.java:745) [?:1.8.0_65]
401. Caused by: java.io.IOException: Broken pipe
402.         at sun.nio.ch.FileDispatcherImpl.write0(Native Method) ~[?:1.8.0_65]
403.         at sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:47) ~[?:1.8.0_65]
404.         at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:93) ~[?:1.8.0_65]
405.         at sun.nio.ch.IOUtil.write(IOUtil.java:65) ~[?:1.8.0_65]
406.         at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:471) ~[?:1.8.0_65]
407.         at org.apache.tomcat.util.net.NioChannel.write(NioChannel.java:127) ~[tomcat-coyote.jar:8.0.17]
408.         at org.apache.tomcat.util.net.NioBlockingSelector.write(NioBlockingSelector.java:101) ~[tomcat-coyote.jar:8.0.17]
409.         at org.apache.tomcat.util.net.NioSelectorPool.write(NioSelectorPool.java:173) ~[tomcat-coyote.jar:8.0.17]
410.         at org.apache.coyote.http11.InternalNioOutputBuffer.writeToSocket(InternalNioOutputBuffer.java:139) ~[tomcat-coyote.jar:8.0.17]
411.         at org.apache.coyote.http11.InternalNioOutputBuffer.flushBuffer(InternalNioOutputBuffer.java:244) ~[tomcat-coyote.jar:8.0.17]
412.         at org.apache.coyote.http11.InternalNioOutputBuffer.addToBB(InternalNioOutputBuffer.java:189) ~[tomcat-coyote.jar:8.0.17]
413.         at org.apache.coyote.http11.InternalNioOutputBuffer.access$000(InternalNioOutputBuffer.java:41) ~[tomcat-coyote.jar:8.0.17]
414.         at org.apache.coyote.http11.InternalNioOutputBuffer$SocketOutputBuffer.doWrite(InternalNioOutputBuffer.java:320) ~[tomcat-coyote.jar:8.0.17]
415.         at org.apache.coyote.http11.filters.ChunkedOutputFilter.doWrite(ChunkedOutputFilter.java:116) ~[tomcat-coyote.jar:8.0.17]
416.         at org.apache.coyote.http11.AbstractOutputBuffer.doWrite(AbstractOutputBuffer.java:256) ~[tomcat-coyote.jar:8.0.17]
417.         at org.apache.coyote.Response.doWrite(Response.java:503) ~[tomcat-coyote.jar:8.0.17]
418.         at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:388) ~[catalina.jar:8.0.17]
419.         ... 89 more
420. ERROR [http-nio-10.0.1.210-9190-exec-95] controller.AbstractAjaxController.[[]] Dec/06 15:50:26 - Unhandled exception
421. org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
422.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:80) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
423.         at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:630) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
424.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:695) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
425.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:722) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
426.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:772) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
427.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.query(NamedParameterJdbcTemplate.java:192) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
428.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService.getStudentAssignmentDetails(AssignmentDataService.java:609) ~[AssignmentDataService.class:?]
429.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService$$FastClassBySpringCGLIB$$3e2a2004.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
430.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
431.         at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:717) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
432.         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
433.         at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
434.         at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:281) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
435.         at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
436.         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
437.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:653) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
438.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService$$EnhancerBySpringCGLIB$$d02d91e1.getStudentAssignmentDetails(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
439.         at com.pearson.ltg.assignments.service.AssignmentService.getStudentAssignmentDetails(AssignmentService.java:1165) ~[AssignmentService.class:?]
440.         at com.pearson.ltg.assignments.service.AssignmentService$$FastClassBySpringCGLIB$$1d5f64e9.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
441.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
442.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:649) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
443.         at com.pearson.ltg.assignments.service.AssignmentService$$EnhancerBySpringCGLIB$$339ea726.getStudentAssignmentDetails(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
444.         at com.pearson.ltg.assignments.controller.sas.SASAssignmentController.getStudentAssignmentDetails(SASAssignmentController.java:86) ~[SASAssignmentController.class:?]
445.         at sun.reflect.GeneratedMethodAccessor420.invoke(Unknown Source) ~[?:?]
446.         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_65]
447.         at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_65]
448.         at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
449.         at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
450.         at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
451.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:776) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
452.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:705) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
453.         at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
454.         at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
455.         at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
456.         at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:967) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
457.         at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:869) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
458.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:644) [servlet-api.jar:?]
459.         at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:843) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
460.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) [servlet-api.jar:?]
461.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) [catalina.jar:8.0.17]
462.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
463.         at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat-websocket.jar:8.0.17]
464.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
465.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
466.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
467.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
468.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
469.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
470.         at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
471.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
472.         at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
473.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
474.         at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
475.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
476.         at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:154) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
477.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
478.         at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
479.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
480.         at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
481.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
482.         at org.springframework.security.oauth2.provider.authentication.OAuth2AuthenticationProcessingFilter.doFilter(OAuth2AuthenticationProcessingFilter.java:176) [spring-security-oauth2-2.0.8.RELEASE.jar:?]
483.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
484.         at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:110) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
485.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
486.         at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:57) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
487.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
488.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
489.         at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
490.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
491.         at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:50) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
492.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
493.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
494.         at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
495.         at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
496.         at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
497.         at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
498.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
499.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
500.         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) [catalina.jar:8.0.17]
501.         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) [catalina.jar:8.0.17]
502.         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142) [catalina.jar:8.0.17]
503.         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) [catalina.jar:8.0.17]
504.         at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610) [catalina.jar:8.0.17]
505.         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) [catalina.jar:8.0.17]
506.         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:516) [catalina.jar:8.0.17]
507.         at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1086) [tomcat-coyote.jar:8.0.17]
508.         at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:659) [tomcat-coyote.jar:8.0.17]
509.         at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:223) [tomcat-coyote.jar:8.0.17]
510.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1558) [tomcat-coyote.jar:8.0.17]
511.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1515) [tomcat-coyote.jar:8.0.17]
512.         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_65]
513.         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_65]
514.         at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-util.jar:8.0.17]
515.         at java.lang.Thread.run(Thread.java:745) [?:1.8.0_65]
516. Caused by: java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
517.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:126) ~[tomcat-dbcp.jar:8.0.17]
518.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
519.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
520.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
521.         ... 93 more
522. Caused by: java.util.NoSuchElementException: Timeout waiting for idle object
523.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:446) ~[tomcat-dbcp.jar:8.0.17]
524.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:360) ~[tomcat-dbcp.jar:8.0.17]
525.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:118) ~[tomcat-dbcp.jar:8.0.17]
526.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
527.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
528.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
529.         ... 93 more
530. ^C
531. [ec2-user@ip-10-0-1-210 logs]$ vim assignment_service.log
532. [ec2-user@ip-10-0-1-210 logs]$ tail -1000f assignment_service.log
533.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:772) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
534.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.queryForObject(NamedParameterJdbcTemplate.java:211) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
535.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.queryForObject(NamedParameterJdbcTemplate.java:226) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
536.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.queryForInt(NamedParameterJdbcTemplate.java:262) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
537.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService.getNewAssignmentsSubmittedCount(AssignmentDataService.java:373) ~[AssignmentDataService.class:?]
538.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService$$FastClassBySpringCGLIB$$3e2a2004.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
539.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
540.         at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:717) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
541.         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
542.         at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
543.         at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:281) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
544.         at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
545.         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
546.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:653) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
547.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService$$EnhancerBySpringCGLIB$$d02d91e1.getNewAssignmentsSubmittedCount(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
548.         at com.pearson.ltg.assignments.service.AssignmentService.updateClassesReportingDataForTeacherClassesActivity(AssignmentService.java:874) ~[AssignmentService.class:?]
549.         at com.pearson.ltg.assignments.service.AssignmentService.getClassesActivityData(AssignmentService.java:798) ~[AssignmentService.class:?]
550.         at com.pearson.ltg.assignments.service.AssignmentService$$FastClassBySpringCGLIB$$1d5f64e9.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
551.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
552.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:649) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
553.         at com.pearson.ltg.assignments.service.AssignmentService$$EnhancerBySpringCGLIB$$339ea726.getClassesActivityData(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
554.         at com.pearson.ltg.assignments.controller.AssignmentController.getClassesReportingData(AssignmentController.java:367) ~[AssignmentController.class:?]
555.         at sun.reflect.GeneratedMethodAccessor177.invoke(Unknown Source) ~[?:?]
556.         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_65]
557.         at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_65]
558.         at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
559.         at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
560.         at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
561.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:776) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
562.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:705) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
563.         at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
564.         at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
565.         at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
566.         at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:967) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
567.         at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:869) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
568.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:644) [servlet-api.jar:?]
569.         at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:843) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
570.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) [servlet-api.jar:?]
571.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) [catalina.jar:8.0.17]
572.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
573.         at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat-websocket.jar:8.0.17]
574.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
575.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
576.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
577.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
578.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
579.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
580.         at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
581.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
582.         at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
583.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
584.         at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
585.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
586.         at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:154) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
587.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
588.         at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
589.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
590.         at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
591.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
592.         at org.springframework.security.oauth2.provider.authentication.OAuth2AuthenticationProcessingFilter.doFilter(OAuth2AuthenticationProcessingFilter.java:176) [spring-security-oauth2-2.0.8.RELEASE.jar:?]
593.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
594.         at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:110) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
595.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
596.         at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:57) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
597.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
598.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
599.         at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
600.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
601.         at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:50) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
602.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
603.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
604.         at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
605.         at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
606.         at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
607.         at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
608.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
609.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
610.         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) [catalina.jar:8.0.17]
611.         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) [catalina.jar:8.0.17]
612.         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142) [catalina.jar:8.0.17]
613.         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) [catalina.jar:8.0.17]
614.         at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610) [catalina.jar:8.0.17]
615.         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) [catalina.jar:8.0.17]
616.         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:516) [catalina.jar:8.0.17]
617.         at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1086) [tomcat-coyote.jar:8.0.17]
618.         at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:659) [tomcat-coyote.jar:8.0.17]
619.         at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:223) [tomcat-coyote.jar:8.0.17]
620.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1558) [tomcat-coyote.jar:8.0.17]
621.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1515) [tomcat-coyote.jar:8.0.17]
622.         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_65]
623.         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_65]
624.         at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-util.jar:8.0.17]
625.         at java.lang.Thread.run(Thread.java:745) [?:1.8.0_65]
626. Caused by: java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
627.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:126) ~[tomcat-dbcp.jar:8.0.17]
628.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
629.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
630.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
631.         ... 96 more
632. Caused by: java.util.NoSuchElementException: Timeout waiting for idle object
633.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:446) ~[tomcat-dbcp.jar:8.0.17]
634.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:360) ~[tomcat-dbcp.jar:8.0.17]
635.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:118) ~[tomcat-dbcp.jar:8.0.17]
636.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
637.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
638.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
639.         ... 96 more
640. ERROR [http-nio-10.0.1.210-9190-exec-33] controller.AbstractAjaxController.[[]] Dec/06 15:45:50 - Unhandled exception
641. org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
642.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:80) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
643.         at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:630) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
644.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:695) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
645.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:722) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
646.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:772) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
647.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.query(NamedParameterJdbcTemplate.java:192) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
648.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService.getStudentAssignmentDetails(AssignmentDataService.java:609) ~[AssignmentDataService.class:?]
649.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService$$FastClassBySpringCGLIB$$3e2a2004.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
650.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
651.         at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:717) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
652.         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
653.         at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
654.         at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:281) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
655.         at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
656.         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
657.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:653) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
658.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService$$EnhancerBySpringCGLIB$$d02d91e1.getStudentAssignmentDetails(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
659.         at com.pearson.ltg.assignments.service.AssignmentService.getStudentAssignmentDetails(AssignmentService.java:1165) ~[AssignmentService.class:?]
660.         at com.pearson.ltg.assignments.service.AssignmentService$$FastClassBySpringCGLIB$$1d5f64e9.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
661.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
662.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:649) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
663.         at com.pearson.ltg.assignments.service.AssignmentService$$EnhancerBySpringCGLIB$$339ea726.getStudentAssignmentDetails(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
664.         at com.pearson.ltg.assignments.controller.sas.SASAssignmentController.getStudentAssignmentDetails(SASAssignmentController.java:86) ~[SASAssignmentController.class:?]
665.         at sun.reflect.GeneratedMethodAccessor420.invoke(Unknown Source) ~[?:?]
666.         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_65]
667.         at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_65]
668.         at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
669.         at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
670.         at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
671.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:776) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
672.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:705) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
673.         at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
674.         at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
675.         at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
676.         at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:967) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
677.         at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:869) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
678.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:644) [servlet-api.jar:?]
679.         at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:843) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
680.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) [servlet-api.jar:?]
681.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) [catalina.jar:8.0.17]
682.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
683.         at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat-websocket.jar:8.0.17]
684.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
685.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
686.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
687.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
688.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
689.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
690.         at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
691.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
692.         at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
693.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
694.         at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
695.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
696.         at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:154) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
697.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
698.         at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
699.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
700.         at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
701.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
702.         at org.springframework.security.oauth2.provider.authentication.OAuth2AuthenticationProcessingFilter.doFilter(OAuth2AuthenticationProcessingFilter.java:176) [spring-security-oauth2-2.0.8.RELEASE.jar:?]
703.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
704.         at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:110) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
705.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
706.         at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:57) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
707.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
708.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
709.         at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
710.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
711.         at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:50) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
712.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
713.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
714.         at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
715.         at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
716.         at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
717.         at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
718.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
719.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
720.         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) [catalina.jar:8.0.17]
721.         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) [catalina.jar:8.0.17]
722.         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142) [catalina.jar:8.0.17]
723.         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) [catalina.jar:8.0.17]
724.         at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610) [catalina.jar:8.0.17]
725.         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) [catalina.jar:8.0.17]
726.         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:516) [catalina.jar:8.0.17]
727.         at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1086) [tomcat-coyote.jar:8.0.17]
728.         at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:659) [tomcat-coyote.jar:8.0.17]
729.         at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:223) [tomcat-coyote.jar:8.0.17]
730.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1558) [tomcat-coyote.jar:8.0.17]
731.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1515) [tomcat-coyote.jar:8.0.17]
732.         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_65]
733.         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_65]
734.         at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-util.jar:8.0.17]
735.         at java.lang.Thread.run(Thread.java:745) [?:1.8.0_65]
736. Caused by: java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
737.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:126) ~[tomcat-dbcp.jar:8.0.17]
738.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
739.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
740.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
741.         ... 93 more
742. Caused by: java.util.NoSuchElementException: Timeout waiting for idle object
743.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:446) ~[tomcat-dbcp.jar:8.0.17]
744.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:360) ~[tomcat-dbcp.jar:8.0.17]
745.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:118) ~[tomcat-dbcp.jar:8.0.17]
746.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
747.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
748.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
749.         ... 93 more
750. ERROR [http-nio-10.0.1.210-9190-exec-125] controller.AbstractAjaxController.[[]] Dec/06 15:46:22 - Unhandled exception
751. org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
752.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:80) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
753.         at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:630) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
754.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:695) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
755.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:722) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
756.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:772) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
757.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.queryForObject(NamedParameterJdbcTemplate.java:211) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
758.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.queryForObject(NamedParameterJdbcTemplate.java:226) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
759.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.queryForInt(NamedParameterJdbcTemplate.java:262) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
760.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService.getNewScoresCount(AssignmentDataService.java:362) ~[AssignmentDataService.class:?]
761.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService$$FastClassBySpringCGLIB$$3e2a2004.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
762.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
763.         at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:717) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
764.         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
765.         at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
766.         at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:281) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
767.         at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
768.         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
769.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:653) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
770.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService$$EnhancerBySpringCGLIB$$d02d91e1.getNewScoresCount(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
771.         at com.pearson.ltg.assignments.service.AssignmentService.updateClassesReportingDataForTeacherClassesActivity(AssignmentService.java:870) ~[AssignmentService.class:?]
772.         at com.pearson.ltg.assignments.service.AssignmentService.getClassesActivityData(AssignmentService.java:798) ~[AssignmentService.class:?]
773.         at com.pearson.ltg.assignments.service.AssignmentService$$FastClassBySpringCGLIB$$1d5f64e9.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
774.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
775.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:649) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
776.         at com.pearson.ltg.assignments.service.AssignmentService$$EnhancerBySpringCGLIB$$339ea726.getClassesActivityData(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
777.         at com.pearson.ltg.assignments.controller.AssignmentController.getClassesReportingData(AssignmentController.java:367) ~[AssignmentController.class:?]
778.         at sun.reflect.GeneratedMethodAccessor177.invoke(Unknown Source) ~[?:?]
779.         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_65]
780.         at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_65]
781.         at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
782.         at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
783.         at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
784.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:776) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
785.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:705) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
786.         at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
787.         at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
788.         at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
789.         at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:967) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
790.         at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:869) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
791.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:644) [servlet-api.jar:?]
792.         at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:843) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
793.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) [servlet-api.jar:?]
794.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) [catalina.jar:8.0.17]
795.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
796.         at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat-websocket.jar:8.0.17]
797.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
798.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
799.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
800.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
801.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
802.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
803.         at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
804.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
805.         at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
806.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
807.         at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
808.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
809.         at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:154) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
810.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
811.         at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
812.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
813.         at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
814.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
815.         at org.springframework.security.oauth2.provider.authentication.OAuth2AuthenticationProcessingFilter.doFilter(OAuth2AuthenticationProcessingFilter.java:176) [spring-security-oauth2-2.0.8.RELEASE.jar:?]
816.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
817.         at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:110) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
818.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
819.         at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:57) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
820.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
821.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
822.         at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
823.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
824.         at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:50) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
825.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
826.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
827.         at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
828.         at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
829.         at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
830.         at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
831.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
832.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
833.         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) [catalina.jar:8.0.17]
834.         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) [catalina.jar:8.0.17]
835.         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142) [catalina.jar:8.0.17]
836.         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) [catalina.jar:8.0.17]
837.         at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610) [catalina.jar:8.0.17]
838.         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) [catalina.jar:8.0.17]
839.         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:516) [catalina.jar:8.0.17]
840.         at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1086) [tomcat-coyote.jar:8.0.17]
841.         at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:659) [tomcat-coyote.jar:8.0.17]
842.         at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:223) [tomcat-coyote.jar:8.0.17]
843.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1558) [tomcat-coyote.jar:8.0.17]
844.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1515) [tomcat-coyote.jar:8.0.17]
845.         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_65]
846.         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_65]
847.         at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-util.jar:8.0.17]
848.         at java.lang.Thread.run(Thread.java:745) [?:1.8.0_65]
849. Caused by: java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
850.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:126) ~[tomcat-dbcp.jar:8.0.17]
851.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
852.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
853.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
854.         ... 96 more
855. Caused by: java.util.NoSuchElementException: Timeout waiting for idle object
856.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:446) ~[tomcat-dbcp.jar:8.0.17]
857.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:360) ~[tomcat-dbcp.jar:8.0.17]
858.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:118) ~[tomcat-dbcp.jar:8.0.17]
859.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
860.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
861.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
862.         ... 96 more
863. ERROR [http-nio-10.0.1.210-9190-exec-73] controller.AbstractAjaxController.[[]] Dec/06 15:46:25 - Unhandled exception
864. org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
865.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:80) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
866.         at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:630) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
867.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:695) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
868.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:722) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
869.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:772) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
870.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.queryForObject(NamedParameterJdbcTemplate.java:211) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
871.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.queryForObject(NamedParameterJdbcTemplate.java:226) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
872.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.queryForInt(NamedParameterJdbcTemplate.java:262) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
873.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService.getNewScoresCount(AssignmentDataService.java:362) ~[AssignmentDataService.class:?]
874.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService$$FastClassBySpringCGLIB$$3e2a2004.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
875.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
876.         at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:717) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
877.         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
878.         at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
879.         at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:281) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
880.         at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
881.         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
882.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:653) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
883.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService$$EnhancerBySpringCGLIB$$d02d91e1.getNewScoresCount(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
884.         at com.pearson.ltg.assignments.service.AssignmentService.updateClassesReportingDataForTeacherClassesActivity(AssignmentService.java:870) ~[AssignmentService.class:?]
885.         at com.pearson.ltg.assignments.service.AssignmentService.getClassesActivityData(AssignmentService.java:798) ~[AssignmentService.class:?]
886.         at com.pearson.ltg.assignments.service.AssignmentService$$FastClassBySpringCGLIB$$1d5f64e9.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
887.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
888.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:649) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
889.         at com.pearson.ltg.assignments.service.AssignmentService$$EnhancerBySpringCGLIB$$339ea726.getClassesActivityData(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
890.         at com.pearson.ltg.assignments.controller.AssignmentController.getClassesReportingData(AssignmentController.java:367) ~[AssignmentController.class:?]
891.         at sun.reflect.GeneratedMethodAccessor177.invoke(Unknown Source) ~[?:?]
892.         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_65]
893.         at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_65]
894.         at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
895.         at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
896.         at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
897.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:776) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
898.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:705) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
899.         at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
900.         at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
901.         at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
902.         at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:967) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
903.         at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:869) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
904.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:644) [servlet-api.jar:?]
905.         at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:843) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
906.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) [servlet-api.jar:?]
907.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) [catalina.jar:8.0.17]
908.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
909.         at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat-websocket.jar:8.0.17]
910.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
911.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
912.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
913.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
914.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
915.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
916.         at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
917.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
918.         at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
919.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
920.         at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
921.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
922.         at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:154) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
923.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
924.         at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
925.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
926.         at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
927.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
928.         at org.springframework.security.oauth2.provider.authentication.OAuth2AuthenticationProcessingFilter.doFilter(OAuth2AuthenticationProcessingFilter.java:176) [spring-security-oauth2-2.0.8.RELEASE.jar:?]
929.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
930.         at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:110) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
931.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
932.         at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:57) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
933.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
934.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
935.         at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
936.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
937.         at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:50) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
938.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
939.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
940.         at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
941.         at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
942.         at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
943.         at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
944.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
945.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
946.         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) [catalina.jar:8.0.17]
947.         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) [catalina.jar:8.0.17]
948.         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142) [catalina.jar:8.0.17]
949.         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) [catalina.jar:8.0.17]
950.         at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610) [catalina.jar:8.0.17]
951.         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) [catalina.jar:8.0.17]
952.         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:516) [catalina.jar:8.0.17]
953.         at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1086) [tomcat-coyote.jar:8.0.17]
954.         at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:659) [tomcat-coyote.jar:8.0.17]
955.         at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:223) [tomcat-coyote.jar:8.0.17]
956.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1558) [tomcat-coyote.jar:8.0.17]
957.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1515) [tomcat-coyote.jar:8.0.17]
958.         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_65]
959.         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_65]
960.         at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-util.jar:8.0.17]
961.         at java.lang.Thread.run(Thread.java:745) [?:1.8.0_65]
962. Caused by: java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
963.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:126) ~[tomcat-dbcp.jar:8.0.17]
964.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
965.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
966.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
967.         ... 96 more
968. Caused by: java.util.NoSuchElementException: Timeout waiting for idle object
969.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:446) ~[tomcat-dbcp.jar:8.0.17]
970.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:360) ~[tomcat-dbcp.jar:8.0.17]
971.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:118) ~[tomcat-dbcp.jar:8.0.17]
972.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
973.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
974.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
975.         ... 96 more
976. ERROR [http-nio-10.0.1.210-9190-exec-138] controller.AbstractAjaxController.[[]] Dec/06 15:46:27 - Unhandled exception
977. org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
978.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:80) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
979.         at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:630) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
980.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:695) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
981.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:722) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
982.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.queryForRowSet(NamedParameterJdbcTemplate.java:302) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
983.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService.getAssignmentsCountByClass(AssignmentDataService.java:85) ~[AssignmentDataService.class:?]
984.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService$$FastClassBySpringCGLIB$$3e2a2004.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
985.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
986.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:649) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
987.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService$$EnhancerBySpringCGLIB$$d02d91e1.getAssignmentsCountByClass(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
988.         at com.pearson.ltg.assignments.service.AssignmentService.getAssignmentsCountByClass(AssignmentService.java:327) ~[AssignmentService.class:?]
989.         at com.pearson.ltg.assignments.service.AssignmentService$$FastClassBySpringCGLIB$$1d5f64e9.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
990.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
991.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:649) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
992.         at com.pearson.ltg.assignments.service.AssignmentService$$EnhancerBySpringCGLIB$$339ea726.getAssignmentsCountByClass(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
993.         at com.pearson.ltg.assignments.controller.AssignmentController.getAssignmentsCountByClass(AssignmentController.java:95) ~[AssignmentController.class:?]
994.         at sun.reflect.GeneratedMethodAccessor266.invoke(Unknown Source) ~[?:?]
995.         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_65]
996.         at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_65]
997.         at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
998.         at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
999.         at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1000.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:776) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1001.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:705) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1002.         at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1003.         at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1004.         at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1005.         at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:967) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1006.         at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:858) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1007.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:618) [servlet-api.jar:?]
1008.         at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:843) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1009.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) [servlet-api.jar:?]
1010.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) [catalina.jar:8.0.17]
1011.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
1012.         at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat-websocket.jar:8.0.17]
1013.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
1014.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
1015.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1016.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1017.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1018.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1019.         at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1020.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1021.         at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1022.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1023.         at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1024.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1025.         at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:154) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1026.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1027.         at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1028.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1029.         at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1030.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1031.         at org.springframework.security.oauth2.provider.authentication.OAuth2AuthenticationProcessingFilter.doFilter(OAuth2AuthenticationProcessingFilter.java:176) [spring-security-oauth2-2.0.8.RELEASE.jar:?]
1032.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1033.         at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:110) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1034.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1035.         at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:57) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1036.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1037.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1038.         at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1039.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1040.         at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:50) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1041.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1042.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1043.         at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1044.         at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1045.         at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1046.         at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1047.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
1048.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
1049.         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) [catalina.jar:8.0.17]
1050.         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) [catalina.jar:8.0.17]
1051.         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142) [catalina.jar:8.0.17]
1052.         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) [catalina.jar:8.0.17]
1053.         at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610) [catalina.jar:8.0.17]
1054.         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) [catalina.jar:8.0.17]
1055.         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:516) [catalina.jar:8.0.17]
1056.         at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1086) [tomcat-coyote.jar:8.0.17]
1057.         at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:659) [tomcat-coyote.jar:8.0.17]
1058.         at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:223) [tomcat-coyote.jar:8.0.17]
1059.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1558) [tomcat-coyote.jar:8.0.17]
1060.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1515) [tomcat-coyote.jar:8.0.17]
1061.         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_65]
1062.         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_65]
1063.         at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-util.jar:8.0.17]
1064.         at java.lang.Thread.run(Thread.java:745) [?:1.8.0_65]
1065. Caused by: java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
1066.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:126) ~[tomcat-dbcp.jar:8.0.17]
1067.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
1068.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1069.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1070.         ... 86 more
1071. Caused by: java.util.NoSuchElementException: Timeout waiting for idle object
1072.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:446) ~[tomcat-dbcp.jar:8.0.17]
1073.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:360) ~[tomcat-dbcp.jar:8.0.17]
1074.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:118) ~[tomcat-dbcp.jar:8.0.17]
1075.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
1076.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1077.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1078.         ... 86 more
1079. ERROR [http-nio-10.0.1.210-9190-exec-33] controller.AbstractAjaxController.[[]] Dec/06 15:48:49 - Unhandled exception
1080. org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
1081.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:80) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1082.         at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:630) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1083.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:695) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1084.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:722) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1085.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:772) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1086.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.query(NamedParameterJdbcTemplate.java:192) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1087.         at com.pearson.ltg.assignments.dataaccess.LoginStatisticsDataService.getTeacherStatisticsByTimeRangeAndClassIds(LoginStatisticsDataService.java:50) ~[LoginStatisticsDataService.class:?]
1088.         at com.pearson.ltg.assignments.dataaccess.LoginStatisticsDataService$$FastClassBySpringCGLIB$$97d814f9.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
1089.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1090.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:649) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1091.         at com.pearson.ltg.assignments.dataaccess.LoginStatisticsDataService$$EnhancerBySpringCGLIB$$2e3fe536.getTeacherStatisticsByTimeRangeAndClassIds(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
1092.         at com.pearson.ltg.assignments.service.AssignmentService.getTeacherLoginStatistics(AssignmentService.java:816) ~[AssignmentService.class:?]
1093.         at com.pearson.ltg.assignments.service.AssignmentService$$FastClassBySpringCGLIB$$1d5f64e9.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
1094.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1095.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:649) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1096.         at com.pearson.ltg.assignments.service.AssignmentService$$EnhancerBySpringCGLIB$$339ea726.getTeacherLoginStatistics(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
1097.         at com.pearson.ltg.assignments.controller.AssignmentController.getTeacherLoginStatistics(AssignmentController.java:395) ~[AssignmentController.class:?]
1098.         at sun.reflect.GeneratedMethodAccessor175.invoke(Unknown Source) ~[?:?]
1099.         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_65]
1100.         at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_65]
1101.         at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1102.         at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1103.         at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1104.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:776) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1105.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:705) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1106.         at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1107.         at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1108.         at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1109.         at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:967) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1110.         at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:869) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1111.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:644) [servlet-api.jar:?]
1112.         at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:843) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1113.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) [servlet-api.jar:?]
1114.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) [catalina.jar:8.0.17]
1115.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
1116.         at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat-websocket.jar:8.0.17]
1117.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
1118.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
1119.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1120.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1121.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1122.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1123.         at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1124.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1125.         at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1126.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1127.         at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1128.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1129.         at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:154) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1130.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1131.         at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1132.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1133.         at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1134.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1135.         at org.springframework.security.oauth2.provider.authentication.OAuth2AuthenticationProcessingFilter.doFilter(OAuth2AuthenticationProcessingFilter.java:176) [spring-security-oauth2-2.0.8.RELEASE.jar:?]
1136.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1137.         at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:110) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1138.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1139.         at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:57) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1140.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1141.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1142.         at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1143.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1144.         at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:50) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1145.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1146.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1147.         at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1148.         at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1149.         at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1150.         at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1151.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
1152.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
1153.         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) [catalina.jar:8.0.17]
1154.         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) [catalina.jar:8.0.17]
1155.         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142) [catalina.jar:8.0.17]
1156.         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) [catalina.jar:8.0.17]
1157.         at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610) [catalina.jar:8.0.17]
1158.         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) [catalina.jar:8.0.17]
1159.         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:516) [catalina.jar:8.0.17]
1160.         at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1086) [tomcat-coyote.jar:8.0.17]
1161.         at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:659) [tomcat-coyote.jar:8.0.17]
1162.         at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:223) [tomcat-coyote.jar:8.0.17]
1163.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1558) [tomcat-coyote.jar:8.0.17]
1164.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1515) [tomcat-coyote.jar:8.0.17]
1165.         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_65]
1166.         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_65]
1167.         at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-util.jar:8.0.17]
1168.         at java.lang.Thread.run(Thread.java:745) [?:1.8.0_65]
1169. Caused by: java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
1170.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:126) ~[tomcat-dbcp.jar:8.0.17]
1171.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
1172.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1173.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1174.         ... 87 more
1175. Caused by: java.util.NoSuchElementException: Timeout waiting for idle object
1176.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:446) ~[tomcat-dbcp.jar:8.0.17]
1177.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:360) ~[tomcat-dbcp.jar:8.0.17]
1178.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:118) ~[tomcat-dbcp.jar:8.0.17]
1179.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
1180.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1181.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1182.         ... 87 more
1183. ERROR [http-nio-10.0.1.210-9190-exec-39] controller.AbstractAjaxController.[[]] Dec/06 15:49:31 - Unhandled exception
1184. org.apache.catalina.connector.ClientAbortException: java.io.IOException: Broken pipe
1185.         at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:393) ~[catalina.jar:8.0.17]
1186.         at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:426) ~[tomcat-util.jar:8.0.17]
1187.         at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:339) ~[tomcat-util.jar:8.0.17]
1188.         at org.apache.catalina.connector.OutputBuffer.writeBytes(OutputBuffer.java:418) ~[catalina.jar:8.0.17]
1189.         at org.apache.catalina.connector.OutputBuffer.write(OutputBuffer.java:406) ~[catalina.jar:8.0.17]
1190.         at org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:97) ~[catalina.jar:8.0.17]
1191.         at org.springframework.security.web.context.SaveContextOnUpdateOrErrorResponseWrapper$SaveContextServletOutputStream.write(SaveContextOnUpdateOrErrorResponseWrapper.java:457) ~[spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1192.         at com.fasterxml.jackson.core.json.UTF8JsonGenerator._flushBuffer(UTF8JsonGenerator.java:1853) ~[jackson-core-2.4.4.jar:2.4.4]
1193.         at com.fasterxml.jackson.core.json.UTF8JsonGenerator.writeString(UTF8JsonGenerator.java:443) ~[jackson-core-2.4.4.jar:2.4.4]
1194.         at com.fasterxml.jackson.databind.ser.std.StringSerializer.serialize(StringSerializer.java:37) ~[jackson-databind-2.4.4.jar:2.4.4]
1195.         at com.fasterxml.jackson.databind.ser.std.StringSerializer.serialize(StringSerializer.java:21) ~[jackson-databind-2.4.4.jar:2.4.4]
1196.         at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:505) ~[jackson-databind-2.4.4.jar:2.4.4]
1197.         at com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:639) ~[jackson-databind-2.4.4.jar:2.4.4]
1198.         at com.fasterxml.jackson.databind.ser.BeanSerializer.serialize(BeanSerializer.java:152) ~[jackson-databind-2.4.4.jar:2.4.4]
1199.         at com.fasterxml.jackson.databind.ser.impl.IndexedListSerializer.serializeContents(IndexedListSerializer.java:100) ~[jackson-databind-2.4.4.jar:2.4.4]
1200.         at com.fasterxml.jackson.databind.ser.impl.IndexedListSerializer.serializeContents(IndexedListSerializer.java:21) ~[jackson-databind-2.4.4.jar:2.4.4]
1201.         at com.fasterxml.jackson.databind.ser.std.AsArraySerializerBase.serialize(AsArraySerializerBase.java:183) ~[jackson-databind-2.4.4.jar:2.4.4]
1202.         at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:505) ~[jackson-databind-2.4.4.jar:2.4.4]
1203.         at com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:639) ~[jackson-databind-2.4.4.jar:2.4.4]
1204.         at com.fasterxml.jackson.databind.ser.BeanSerializer.serialize(BeanSerializer.java:152) ~[jackson-databind-2.4.4.jar:2.4.4]
1205.         at com.fasterxml.jackson.databind.ser.impl.IndexedListSerializer.serializeContents(IndexedListSerializer.java:100) ~[jackson-databind-2.4.4.jar:2.4.4]
1206.         at com.fasterxml.jackson.databind.ser.impl.IndexedListSerializer.serializeContents(IndexedListSerializer.java:21) ~[jackson-databind-2.4.4.jar:2.4.4]
1207.         at com.fasterxml.jackson.databind.ser.std.AsArraySerializerBase.serialize(AsArraySerializerBase.java:183) ~[jackson-databind-2.4.4.jar:2.4.4]
1208.         at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:505) ~[jackson-databind-2.4.4.jar:2.4.4]
1209.         at com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:639) ~[jackson-databind-2.4.4.jar:2.4.4]
1210.         at com.fasterxml.jackson.databind.ser.BeanSerializer.serialize(BeanSerializer.java:152) ~[jackson-databind-2.4.4.jar:2.4.4]
1211.         at com.fasterxml.jackson.databind.ser.impl.IndexedListSerializer.serializeContents(IndexedListSerializer.java:100) ~[jackson-databind-2.4.4.jar:2.4.4]
1212.         at com.fasterxml.jackson.databind.ser.impl.IndexedListSerializer.serializeContents(IndexedListSerializer.java:21) ~[jackson-databind-2.4.4.jar:2.4.4]
1213.         at com.fasterxml.jackson.databind.ser.std.AsArraySerializerBase.serialize(AsArraySerializerBase.java:183) ~[jackson-databind-2.4.4.jar:2.4.4]
1214.         at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:505) ~[jackson-databind-2.4.4.jar:2.4.4]
1215.         at com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:639) ~[jackson-databind-2.4.4.jar:2.4.4]
1216.         at com.fasterxml.jackson.databind.ser.BeanSerializer.serialize(BeanSerializer.java:152) ~[jackson-databind-2.4.4.jar:2.4.4]
1217.         at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:505) ~[jackson-databind-2.4.4.jar:2.4.4]
1218.         at com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:639) ~[jackson-databind-2.4.4.jar:2.4.4]
1219.         at com.fasterxml.jackson.databind.ser.BeanSerializer.serialize(BeanSerializer.java:152) ~[jackson-databind-2.4.4.jar:2.4.4]
1220.         at com.fasterxml.jackson.databind.ser.DefaultSerializerProvider.serializeValue(DefaultSerializerProvider.java:128) ~[jackson-databind-2.4.4.jar:2.4.4]
1221.         at com.fasterxml.jackson.databind.ObjectMapper.writeValue(ObjectMapper.java:1902) ~[jackson-databind-2.4.4.jar:2.4.4]
1222.         at org.springframework.http.converter.json.AbstractJackson2HttpMessageConverter.writeInternal(AbstractJackson2HttpMessageConverter.java:231) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1223.         at org.springframework.http.converter.AbstractHttpMessageConverter.write(AbstractHttpMessageConverter.java:208) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1224.         at org.springframework.web.servlet.mvc.method.annotation.AbstractMessageConverterMethodProcessor.writeWithMessageConverters(AbstractMessageConverterMethodProcessor.java:161) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1225.         at org.springframework.web.servlet.mvc.method.annotation.AbstractMessageConverterMethodProcessor.writeWithMessageConverters(AbstractMessageConverterMethodProcessor.java:101) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1226.         at org.springframework.web.servlet.mvc.method.annotation.RequestResponseBodyMethodProcessor.handleReturnValue(RequestResponseBodyMethodProcessor.java:185) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1227.         at org.springframework.web.method.support.HandlerMethodReturnValueHandlerComposite.handleReturnValue(HandlerMethodReturnValueHandlerComposite.java:71) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1228.         at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:126) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1229.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:776) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1230.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:705) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1231.         at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1232.         at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1233.         at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1234.         at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:967) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1235.         at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:858) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1236.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:618) [servlet-api.jar:?]
1237.         at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:843) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1238.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) [servlet-api.jar:?]
1239.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) [catalina.jar:8.0.17]
1240.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
1241.         at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat-websocket.jar:8.0.17]
1242.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
1243.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
1244.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1245.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1246.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1247.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1248.         at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1249.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1250.         at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1251.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1252.         at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1253.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1254.         at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:154) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1255.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1256.         at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1257.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1258.         at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1259.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1260.         at org.springframework.security.oauth2.provider.authentication.OAuth2AuthenticationProcessingFilter.doFilter(OAuth2AuthenticationProcessingFilter.java:176) [spring-security-oauth2-2.0.8.RELEASE.jar:?]
1261.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1262.         at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:110) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1263.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1264.         at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:57) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1265.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1266.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1267.         at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1268.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1269.         at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:50) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1270.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1271.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1272.         at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1273.         at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1274.         at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1275.         at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1276.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
1277.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
1278.         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) [catalina.jar:8.0.17]
1279.         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) [catalina.jar:8.0.17]
1280.         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142) [catalina.jar:8.0.17]
1281.         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) [catalina.jar:8.0.17]
1282.         at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610) [catalina.jar:8.0.17]
1283.         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) [catalina.jar:8.0.17]
1284.         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:516) [catalina.jar:8.0.17]
1285.         at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1086) [tomcat-coyote.jar:8.0.17]
1286.         at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:659) [tomcat-coyote.jar:8.0.17]
1287.         at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:223) [tomcat-coyote.jar:8.0.17]
1288.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1558) [tomcat-coyote.jar:8.0.17]
1289.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1515) [tomcat-coyote.jar:8.0.17]
1290.         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_65]
1291.         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_65]
1292.         at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-util.jar:8.0.17]
1293.         at java.lang.Thread.run(Thread.java:745) [?:1.8.0_65]
1294. Caused by: java.io.IOException: Broken pipe
1295.         at sun.nio.ch.FileDispatcherImpl.write0(Native Method) ~[?:1.8.0_65]
1296.         at sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:47) ~[?:1.8.0_65]
1297.         at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:93) ~[?:1.8.0_65]
1298.         at sun.nio.ch.IOUtil.write(IOUtil.java:65) ~[?:1.8.0_65]
1299.         at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:471) ~[?:1.8.0_65]
1300.         at org.apache.tomcat.util.net.NioChannel.write(NioChannel.java:127) ~[tomcat-coyote.jar:8.0.17]
1301.         at org.apache.tomcat.util.net.NioBlockingSelector.write(NioBlockingSelector.java:101) ~[tomcat-coyote.jar:8.0.17]
1302.         at org.apache.tomcat.util.net.NioSelectorPool.write(NioSelectorPool.java:173) ~[tomcat-coyote.jar:8.0.17]
1303.         at org.apache.coyote.http11.InternalNioOutputBuffer.writeToSocket(InternalNioOutputBuffer.java:139) ~[tomcat-coyote.jar:8.0.17]
1304.         at org.apache.coyote.http11.InternalNioOutputBuffer.addToBB(InternalNioOutputBuffer.java:197) ~[tomcat-coyote.jar:8.0.17]
1305.         at org.apache.coyote.http11.InternalNioOutputBuffer.access$000(InternalNioOutputBuffer.java:41) ~[tomcat-coyote.jar:8.0.17]
1306.         at org.apache.coyote.http11.InternalNioOutputBuffer$SocketOutputBuffer.doWrite(InternalNioOutputBuffer.java:320) ~[tomcat-coyote.jar:8.0.17]
1307.         at org.apache.coyote.http11.filters.ChunkedOutputFilter.doWrite(ChunkedOutputFilter.java:116) ~[tomcat-coyote.jar:8.0.17]
1308.         at org.apache.coyote.http11.AbstractOutputBuffer.doWrite(AbstractOutputBuffer.java:256) ~[tomcat-coyote.jar:8.0.17]
1309.         at org.apache.coyote.Response.doWrite(Response.java:503) ~[tomcat-coyote.jar:8.0.17]
1310.         at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:388) ~[catalina.jar:8.0.17]
1311.         ... 108 more
1312. ERROR [http-nio-10.0.1.210-9190-exec-39] annotation.ExceptionHandlerExceptionResolver.[[]] Dec/06 15:49:31 - Failed to invoke @ExceptionHandler method: public void com.pearson.ltg.common.controller.AbstractAjaxController.catchUnhandledExceptions(javax.servlet.http.HttpServletResponse,java.lang.Exception) throws java.io.IOException
1313. org.apache.catalina.connector.ClientAbortException: java.io.IOException: Broken pipe
1314.         at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:393) ~[catalina.jar:8.0.17]
1315.         at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:426) ~[tomcat-util.jar:8.0.17]
1316.         at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:339) ~[tomcat-util.jar:8.0.17]
1317.         at org.apache.catalina.connector.OutputBuffer.writeBytes(OutputBuffer.java:418) ~[catalina.jar:8.0.17]
1318.         at org.apache.catalina.connector.OutputBuffer.write(OutputBuffer.java:406) ~[catalina.jar:8.0.17]
1319.         at org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:97) ~[catalina.jar:8.0.17]
1320.         at org.springframework.security.web.context.SaveContextOnUpdateOrErrorResponseWrapper$SaveContextServletOutputStream.write(SaveContextOnUpdateOrErrorResponseWrapper.java:457) ~[spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1321.         at com.fasterxml.jackson.core.json.UTF8JsonGenerator._flushBuffer(UTF8JsonGenerator.java:1853) ~[jackson-core-2.4.4.jar:2.4.4]
1322.         at com.fasterxml.jackson.core.json.UTF8JsonGenerator.flush(UTF8JsonGenerator.java:1034) ~[jackson-core-2.4.4.jar:2.4.4]
1323.         at com.fasterxml.jackson.databind.ObjectMapper.writeValue(ObjectMapper.java:1904) ~[jackson-databind-2.4.4.jar:2.4.4]
1324.         at org.springframework.http.converter.json.AbstractJackson2HttpMessageConverter.writeInternal(AbstractJackson2HttpMessageConverter.java:231) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1325.         at com.pearson.ltg.common.spring.AjaxResponseJacksonMessageConverter.writeInternal(AjaxResponseJacksonMessageConverter.java:81) ~[pearson-common-coresvcs-1.12.0-SNAPSHOT.jar:1.12.0-SNAPSHOT]
1326.         at org.springframework.http.converter.AbstractHttpMessageConverter.write(AbstractHttpMessageConverter.java:208) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1327.         at com.pearson.ltg.common.service.AjaxResponseWriter.writeAjaxResponse(AjaxResponseWriter.java:99) ~[pearson-common-coresvcs-1.12.0-SNAPSHOT.jar:1.12.0-SNAPSHOT]
1328.         at com.pearson.ltg.common.service.AjaxResponseWriter.writeAjaxResponse(AjaxResponseWriter.java:87) ~[pearson-common-coresvcs-1.12.0-SNAPSHOT.jar:1.12.0-SNAPSHOT]
1329.         at com.pearson.ltg.common.controller.AbstractAjaxController.writeErrorResponse(AbstractAjaxController.java:187) ~[pearson-common-coresvcs-1.12.0-SNAPSHOT.jar:1.12.0-SNAPSHOT]
1330.         at com.pearson.ltg.common.controller.AbstractAjaxController.catchUnhandledExceptions(AbstractAjaxController.java:171) ~[pearson-common-coresvcs-1.12.0-SNAPSHOT.jar:1.12.0-SNAPSHOT]
1331.         at sun.reflect.GeneratedMethodAccessor388.invoke(Unknown Source) ~[?:?]
1332.         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_65]
1333.         at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_65]
1334.         at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1335.         at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1336.         at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1337.         at org.springframework.web.servlet.mvc.method.annotation.ExceptionHandlerExceptionResolver.doResolveHandlerMethodException(ExceptionHandlerExceptionResolver.java:362) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1338.         at org.springframework.web.servlet.handler.AbstractHandlerMethodExceptionResolver.doResolveException(AbstractHandlerMethodExceptionResolver.java:60) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1339.         at org.springframework.web.servlet.handler.AbstractHandlerExceptionResolver.resolveException(AbstractHandlerExceptionResolver.java:138) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1340.         at org.springframework.web.servlet.DispatcherServlet.processHandlerException(DispatcherServlet.java:1183) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1341.         at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1020) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1342.         at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:971) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1343.         at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1344.         at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:967) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1345.         at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:858) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1346.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:618) [servlet-api.jar:?]
1347.         at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:843) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1348.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) [servlet-api.jar:?]
1349.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) [catalina.jar:8.0.17]
1350.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
1351.         at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat-websocket.jar:8.0.17]
1352.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
1353.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
1354.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1355.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1356.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1357.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1358.         at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1359.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1360.         at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1361.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1362.         at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1363.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1364.         at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:154) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1365.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1366.         at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1367.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1368.         at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1369.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1370.         at org.springframework.security.oauth2.provider.authentication.OAuth2AuthenticationProcessingFilter.doFilter(OAuth2AuthenticationProcessingFilter.java:176) [spring-security-oauth2-2.0.8.RELEASE.jar:?]
1371.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1372.         at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:110) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1373.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1374.         at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:57) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1375.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1376.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1377.         at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1378.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1379.         at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:50) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1380.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1381.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1382.         at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1383.         at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1384.         at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1385.         at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1386.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
1387.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
1388.         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) [catalina.jar:8.0.17]
1389.         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) [catalina.jar:8.0.17]
1390.         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142) [catalina.jar:8.0.17]
1391.         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) [catalina.jar:8.0.17]
1392.         at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610) [catalina.jar:8.0.17]
1393.         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) [catalina.jar:8.0.17]
1394.         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:516) [catalina.jar:8.0.17]
1395.         at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1086) [tomcat-coyote.jar:8.0.17]
1396.         at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:659) [tomcat-coyote.jar:8.0.17]
1397.         at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:223) [tomcat-coyote.jar:8.0.17]
1398.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1558) [tomcat-coyote.jar:8.0.17]
1399.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1515) [tomcat-coyote.jar:8.0.17]
1400.         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_65]
1401.         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_65]
1402.         at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-util.jar:8.0.17]
1403.         at java.lang.Thread.run(Thread.java:745) [?:1.8.0_65]
1404. Caused by: java.io.IOException: Broken pipe
1405.         at sun.nio.ch.FileDispatcherImpl.write0(Native Method) ~[?:1.8.0_65]
1406.         at sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:47) ~[?:1.8.0_65]
1407.         at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:93) ~[?:1.8.0_65]
1408.         at sun.nio.ch.IOUtil.write(IOUtil.java:65) ~[?:1.8.0_65]
1409.         at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:471) ~[?:1.8.0_65]
1410.         at org.apache.tomcat.util.net.NioChannel.write(NioChannel.java:127) ~[tomcat-coyote.jar:8.0.17]
1411.         at org.apache.tomcat.util.net.NioBlockingSelector.write(NioBlockingSelector.java:101) ~[tomcat-coyote.jar:8.0.17]
1412.         at org.apache.tomcat.util.net.NioSelectorPool.write(NioSelectorPool.java:173) ~[tomcat-coyote.jar:8.0.17]
1413.         at org.apache.coyote.http11.InternalNioOutputBuffer.writeToSocket(InternalNioOutputBuffer.java:139) ~[tomcat-coyote.jar:8.0.17]
1414.         at org.apache.coyote.http11.InternalNioOutputBuffer.flushBuffer(InternalNioOutputBuffer.java:244) ~[tomcat-coyote.jar:8.0.17]
1415.         at org.apache.coyote.http11.InternalNioOutputBuffer.addToBB(InternalNioOutputBuffer.java:189) ~[tomcat-coyote.jar:8.0.17]
1416.         at org.apache.coyote.http11.InternalNioOutputBuffer.access$000(InternalNioOutputBuffer.java:41) ~[tomcat-coyote.jar:8.0.17]
1417.         at org.apache.coyote.http11.InternalNioOutputBuffer$SocketOutputBuffer.doWrite(InternalNioOutputBuffer.java:320) ~[tomcat-coyote.jar:8.0.17]
1418.         at org.apache.coyote.http11.filters.ChunkedOutputFilter.doWrite(ChunkedOutputFilter.java:116) ~[tomcat-coyote.jar:8.0.17]
1419.         at org.apache.coyote.http11.AbstractOutputBuffer.doWrite(AbstractOutputBuffer.java:256) ~[tomcat-coyote.jar:8.0.17]
1420.         at org.apache.coyote.Response.doWrite(Response.java:503) ~[tomcat-coyote.jar:8.0.17]
1421.         at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:388) ~[catalina.jar:8.0.17]
1422.         ... 89 more
1423. ERROR [http-nio-10.0.1.210-9190-exec-95] controller.AbstractAjaxController.[[]] Dec/06 15:50:26 - Unhandled exception
1424. org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
1425.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:80) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1426.         at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:630) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1427.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:695) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1428.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:722) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1429.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:772) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1430.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.query(NamedParameterJdbcTemplate.java:192) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1431.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService.getStudentAssignmentDetails(AssignmentDataService.java:609) ~[AssignmentDataService.class:?]
1432.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService$$FastClassBySpringCGLIB$$3e2a2004.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
1433.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1434.         at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:717) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1435.         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1436.         at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1437.         at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:281) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1438.         at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1439.         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1440.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:653) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1441.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService$$EnhancerBySpringCGLIB$$d02d91e1.getStudentAssignmentDetails(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
1442.         at com.pearson.ltg.assignments.service.AssignmentService.getStudentAssignmentDetails(AssignmentService.java:1165) ~[AssignmentService.class:?]
1443.         at com.pearson.ltg.assignments.service.AssignmentService$$FastClassBySpringCGLIB$$1d5f64e9.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
1444.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1445.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:649) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1446.         at com.pearson.ltg.assignments.service.AssignmentService$$EnhancerBySpringCGLIB$$339ea726.getStudentAssignmentDetails(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
1447.         at com.pearson.ltg.assignments.controller.sas.SASAssignmentController.getStudentAssignmentDetails(SASAssignmentController.java:86) ~[SASAssignmentController.class:?]
1448.         at sun.reflect.GeneratedMethodAccessor420.invoke(Unknown Source) ~[?:?]
1449.         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_65]
1450.         at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_65]
1451.         at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1452.         at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1453.         at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1454.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:776) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1455.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:705) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1456.         at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1457.         at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1458.         at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1459.         at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:967) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1460.         at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:869) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1461.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:644) [servlet-api.jar:?]
1462.         at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:843) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1463.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) [servlet-api.jar:?]
1464.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) [catalina.jar:8.0.17]
1465.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
1466.         at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat-websocket.jar:8.0.17]
1467.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
1468.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
1469.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1470.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1471.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1472.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1473.         at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1474.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1475.         at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1476.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1477.         at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1478.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1479.         at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:154) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1480.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1481.         at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1482.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1483.         at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1484.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1485.         at org.springframework.security.oauth2.provider.authentication.OAuth2AuthenticationProcessingFilter.doFilter(OAuth2AuthenticationProcessingFilter.java:176) [spring-security-oauth2-2.0.8.RELEASE.jar:?]
1486.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1487.         at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:110) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1488.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1489.         at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:57) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1490.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1491.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1492.         at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1493.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1494.         at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:50) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1495.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1496.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1497.         at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1498.         at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1499.         at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1500.         at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1501.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
1502.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
1503.         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) [catalina.jar:8.0.17]
1504.         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) [catalina.jar:8.0.17]
1505.         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142) [catalina.jar:8.0.17]
1506.         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) [catalina.jar:8.0.17]
1507.         at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610) [catalina.jar:8.0.17]
1508.         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) [catalina.jar:8.0.17]
1509.         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:516) [catalina.jar:8.0.17]
1510.         at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1086) [tomcat-coyote.jar:8.0.17]
1511.         at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:659) [tomcat-coyote.jar:8.0.17]
1512.         at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:223) [tomcat-coyote.jar:8.0.17]
1513.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1558) [tomcat-coyote.jar:8.0.17]
1514.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1515) [tomcat-coyote.jar:8.0.17]
1515.         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_65]
1516.         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_65]
1517.         at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-util.jar:8.0.17]
1518.         at java.lang.Thread.run(Thread.java:745) [?:1.8.0_65]
1519. Caused by: java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
1520.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:126) ~[tomcat-dbcp.jar:8.0.17]
1521.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
1522.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1523.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1524.         ... 93 more
1525. Caused by: java.util.NoSuchElementException: Timeout waiting for idle object
1526.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:446) ~[tomcat-dbcp.jar:8.0.17]
1527.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:360) ~[tomcat-dbcp.jar:8.0.17]
1528.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:118) ~[tomcat-dbcp.jar:8.0.17]
1529.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
1530.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1531.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1532.         ... 93 more
1533. ERROR [http-nio-10.0.1.210-9190-exec-110] controller.AbstractAjaxController.[[]] Dec/06 15:52:34 - Unhandled exception
1534. org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
1535.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:80) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1536.         at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:630) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1537.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:695) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1538.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:722) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1539.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.queryForRowSet(NamedParameterJdbcTemplate.java:302) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1540.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService.getAssignmentsCountByClass(AssignmentDataService.java:85) ~[AssignmentDataService.class:?]
1541.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService$$FastClassBySpringCGLIB$$3e2a2004.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
1542.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1543.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:649) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1544.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService$$EnhancerBySpringCGLIB$$d02d91e1.getAssignmentsCountByClass(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
1545.         at com.pearson.ltg.assignments.service.AssignmentService.getAssignmentsCountByClass(AssignmentService.java:327) ~[AssignmentService.class:?]
1546.         at com.pearson.ltg.assignments.service.AssignmentService$$FastClassBySpringCGLIB$$1d5f64e9.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
1547.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1548.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:649) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1549.         at com.pearson.ltg.assignments.service.AssignmentService$$EnhancerBySpringCGLIB$$339ea726.getAssignmentsCountByClass(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
1550.         at com.pearson.ltg.assignments.controller.AssignmentController.getAssignmentsCountByClass(AssignmentController.java:95) ~[AssignmentController.class:?]
1551.         at sun.reflect.GeneratedMethodAccessor266.invoke(Unknown Source) ~[?:?]
1552.         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_65]
1553.         at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_65]
1554.         at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1555.         at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1556.         at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1557.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:776) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1558.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:705) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1559.         at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1560.         at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1561.         at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1562.         at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:967) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1563.         at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:858) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1564.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:618) [servlet-api.jar:?]
1565.         at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:843) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1566.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) [servlet-api.jar:?]
1567.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) [catalina.jar:8.0.17]
1568.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
1569.         at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat-websocket.jar:8.0.17]
1570.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
1571.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
1572.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1573.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1574.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1575.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1576.         at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1577.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1578.         at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1579.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1580.         at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1581.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1582.         at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:154) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1583.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1584.         at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1585.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1586.         at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1587.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1588.         at org.springframework.security.oauth2.provider.authentication.OAuth2AuthenticationProcessingFilter.doFilter(OAuth2AuthenticationProcessingFilter.java:176) [spring-security-oauth2-2.0.8.RELEASE.jar:?]
1589.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1590.         at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:110) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1591.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1592.         at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:57) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1593.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1594.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1595.         at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1596.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1597.         at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:50) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1598.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1599.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1600.         at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1601.         at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1602.         at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1603.         at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1604.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
1605.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
1606.         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) [catalina.jar:8.0.17]
1607.         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) [catalina.jar:8.0.17]
1608.         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142) [catalina.jar:8.0.17]
1609.         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) [catalina.jar:8.0.17]
1610.         at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610) [catalina.jar:8.0.17]
1611.         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) [catalina.jar:8.0.17]
1612.         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:516) [catalina.jar:8.0.17]
1613.         at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1086) [tomcat-coyote.jar:8.0.17]
1614.         at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:659) [tomcat-coyote.jar:8.0.17]
1615.         at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:223) [tomcat-coyote.jar:8.0.17]
1616.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1558) [tomcat-coyote.jar:8.0.17]
1617.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1515) [tomcat-coyote.jar:8.0.17]
1618.         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_65]
1619.         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_65]
1620.         at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-util.jar:8.0.17]
1621.         at java.lang.Thread.run(Thread.java:745) [?:1.8.0_65]
1622. Caused by: java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
1623.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:126) ~[tomcat-dbcp.jar:8.0.17]
1624.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
1625.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1626.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1627.         ... 86 more
1628. Caused by: java.util.NoSuchElementException: Timeout waiting for idle object
1629.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:446) ~[tomcat-dbcp.jar:8.0.17]
1630.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:360) ~[tomcat-dbcp.jar:8.0.17]
1631.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:118) ~[tomcat-dbcp.jar:8.0.17]
1632.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
1633.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1634.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1635.         ... 86 more
1636. ERROR [http-nio-10.0.1.210-9190-exec-79] controller.AbstractAjaxController.[[]] Dec/06 15:52:37 - Unhandled exception
1637. org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
1638.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:80) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1639.         at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:630) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1640.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:695) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1641.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:722) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1642.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:772) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1643.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.query(NamedParameterJdbcTemplate.java:192) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1644.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService.getStudentAssignmentDetails(AssignmentDataService.java:609) ~[AssignmentDataService.class:?]
1645.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService$$FastClassBySpringCGLIB$$3e2a2004.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
1646.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1647.         at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:717) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1648.         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1649.         at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1650.         at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:281) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1651.         at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1652.         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1653.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:653) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1654.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService$$EnhancerBySpringCGLIB$$d02d91e1.getStudentAssignmentDetails(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
1655.         at com.pearson.ltg.assignments.service.AssignmentService.getStudentAssignmentDetails(AssignmentService.java:1165) ~[AssignmentService.class:?]
1656.         at com.pearson.ltg.assignments.service.AssignmentService$$FastClassBySpringCGLIB$$1d5f64e9.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
1657.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1658.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:649) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1659.         at com.pearson.ltg.assignments.service.AssignmentService$$EnhancerBySpringCGLIB$$339ea726.getStudentAssignmentDetails(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
1660.         at com.pearson.ltg.assignments.controller.sas.SASAssignmentController.getStudentAssignmentDetails(SASAssignmentController.java:86) ~[SASAssignmentController.class:?]
1661.         at sun.reflect.GeneratedMethodAccessor420.invoke(Unknown Source) ~[?:?]
1662.         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_65]
1663.         at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_65]
1664.         at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1665.         at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1666.         at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1667.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:776) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1668.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:705) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1669.         at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1670.         at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1671.         at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1672.         at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:967) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1673.         at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:869) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1674.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:644) [servlet-api.jar:?]
1675.         at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:843) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1676.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) [servlet-api.jar:?]
1677.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) [catalina.jar:8.0.17]
1678.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
1679.         at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat-websocket.jar:8.0.17]
1680.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
1681.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
1682.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1683.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1684.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1685.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1686.         at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1687.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1688.         at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1689.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1690.         at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1691.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1692.         at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:154) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1693.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1694.         at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1695.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1696.         at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1697.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1698.         at org.springframework.security.oauth2.provider.authentication.OAuth2AuthenticationProcessingFilter.doFilter(OAuth2AuthenticationProcessingFilter.java:176) [spring-security-oauth2-2.0.8.RELEASE.jar:?]
1699.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1700.         at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:110) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1701.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1702.         at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:57) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1703.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1704.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1705.         at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1706.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1707.         at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:50) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1708.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1709.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1710.         at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1711.         at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1712.         at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1713.         at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1714.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
1715.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
1716.         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) [catalina.jar:8.0.17]
1717.         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) [catalina.jar:8.0.17]
1718.         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142) [catalina.jar:8.0.17]
1719.         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) [catalina.jar:8.0.17]
1720.         at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610) [catalina.jar:8.0.17]
1721.         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) [catalina.jar:8.0.17]
1722.         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:516) [catalina.jar:8.0.17]
1723.         at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1086) [tomcat-coyote.jar:8.0.17]
1724.         at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:659) [tomcat-coyote.jar:8.0.17]
1725.         at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:223) [tomcat-coyote.jar:8.0.17]
1726.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1558) [tomcat-coyote.jar:8.0.17]
1727.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1515) [tomcat-coyote.jar:8.0.17]
1728.         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_65]
1729.         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_65]
1730.         at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-util.jar:8.0.17]
1731.         at java.lang.Thread.run(Thread.java:745) [?:1.8.0_65]
1732. Caused by: java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
1733.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:126) ~[tomcat-dbcp.jar:8.0.17]
1734.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
1735.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1736.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1737.         ... 93 more
1738. Caused by: java.util.NoSuchElementException: Timeout waiting for idle object
1739.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:446) ~[tomcat-dbcp.jar:8.0.17]
1740.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:360) ~[tomcat-dbcp.jar:8.0.17]
1741.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:118) ~[tomcat-dbcp.jar:8.0.17]
1742.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
1743.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1744.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1745.         ... 93 more
1746. ERROR [http-nio-10.0.1.210-9190-exec-11] controller.AbstractAjaxController.[[]] Dec/06 15:52:37 - Unhandled exception
1747. org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
1748.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:80) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1749.         at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:630) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1750.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:695) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1751.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:722) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1752.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:772) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1753.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.query(NamedParameterJdbcTemplate.java:192) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1754.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService.getAssignmentsByClass(AssignmentDataService.java:71) ~[AssignmentDataService.class:?]
1755.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService$$FastClassBySpringCGLIB$$3e2a2004.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
1756.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1757.         at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:717) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1758.         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1759.         at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1760.         at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:281) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1761.         at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1762.         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1763.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:653) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1764.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService$$EnhancerBySpringCGLIB$$d02d91e1.getAssignmentsByClass(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
1765.         at com.pearson.ltg.assignments.service.AssignmentService.getAssignmentsByClassForTeacher(AssignmentService.java:111) ~[AssignmentService.class:?]
1766.         at com.pearson.ltg.assignments.service.AssignmentService.getAssignmentsByClass(AssignmentService.java:101) ~[AssignmentService.class:?]
1767.         at com.pearson.ltg.assignments.service.AssignmentService$$FastClassBySpringCGLIB$$1d5f64e9.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
1768.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1769.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:649) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1770.         at com.pearson.ltg.assignments.service.AssignmentService$$EnhancerBySpringCGLIB$$339ea726.getAssignmentsByClass(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
1771.         at com.pearson.ltg.assignments.controller.AssignmentController.getAssignmentsByClass(AssignmentController.java:82) ~[AssignmentController.class:?]
1772.         at sun.reflect.GeneratedMethodAccessor250.invoke(Unknown Source) ~[?:?]
1773.         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_65]
1774.         at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_65]
1775.         at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1776.         at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1777.         at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1778.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:776) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1779.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:705) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1780.         at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1781.         at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1782.         at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1783.         at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:967) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1784.         at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:858) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1785.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:618) [servlet-api.jar:?]
1786.         at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:843) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1787.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) [servlet-api.jar:?]
1788.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) [catalina.jar:8.0.17]
1789.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
1790.         at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat-websocket.jar:8.0.17]
1791.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
1792.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
1793.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1794.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1795.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1796.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1797.         at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1798.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1799.         at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1800.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1801.         at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1802.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1803.         at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:154) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1804.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1805.         at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1806.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1807.         at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1808.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1809.         at org.springframework.security.oauth2.provider.authentication.OAuth2AuthenticationProcessingFilter.doFilter(OAuth2AuthenticationProcessingFilter.java:176) [spring-security-oauth2-2.0.8.RELEASE.jar:?]
1810.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1811.         at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:110) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1812.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1813.         at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:57) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1814.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1815.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1816.         at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1817.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1818.         at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:50) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1819.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1820.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1821.         at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1822.         at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1823.         at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1824.         at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1825.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
1826.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
1827.         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) [catalina.jar:8.0.17]
1828.         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) [catalina.jar:8.0.17]
1829.         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142) [catalina.jar:8.0.17]
1830.         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) [catalina.jar:8.0.17]
1831.         at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610) [catalina.jar:8.0.17]
1832.         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) [catalina.jar:8.0.17]
1833.         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:516) [catalina.jar:8.0.17]
1834.         at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1086) [tomcat-coyote.jar:8.0.17]
1835.         at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:659) [tomcat-coyote.jar:8.0.17]
1836.         at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:223) [tomcat-coyote.jar:8.0.17]
1837.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1558) [tomcat-coyote.jar:8.0.17]
1838.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1515) [tomcat-coyote.jar:8.0.17]
1839.         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_65]
1840.         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_65]
1841.         at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-util.jar:8.0.17]
1842.         at java.lang.Thread.run(Thread.java:745) [?:1.8.0_65]
1843. Caused by: java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
1844.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:126) ~[tomcat-dbcp.jar:8.0.17]
1845.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
1846.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1847.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1848.         ... 94 more
1849. Caused by: java.util.NoSuchElementException: Timeout waiting for idle object
1850.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:446) ~[tomcat-dbcp.jar:8.0.17]
1851.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:360) ~[tomcat-dbcp.jar:8.0.17]
1852.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:118) ~[tomcat-dbcp.jar:8.0.17]
1853.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
1854.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1855.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1856.         ... 94 more
1857. ERROR [http-nio-10.0.1.210-9190-exec-21] controller.AbstractAjaxController.[[]] Dec/06 15:52:37 - Unhandled exception
1858. org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
1859.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:80) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1860.         at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:630) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1861.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:695) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1862.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:722) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1863.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:772) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1864.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.query(NamedParameterJdbcTemplate.java:192) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1865.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService.getAssignmentsByClass(AssignmentDataService.java:71) ~[AssignmentDataService.class:?]
1866.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService$$FastClassBySpringCGLIB$$3e2a2004.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
1867.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1868.         at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:717) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1869.         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1870.         at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1871.         at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:281) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1872.         at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1873.         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1874.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:653) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1875.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService$$EnhancerBySpringCGLIB$$d02d91e1.getAssignmentsByClass(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
1876.         at com.pearson.ltg.assignments.service.AssignmentService.getAssignmentsByClassForTeacher(AssignmentService.java:111) ~[AssignmentService.class:?]
1877.         at com.pearson.ltg.assignments.service.AssignmentService.getAssignmentsByClass(AssignmentService.java:101) ~[AssignmentService.class:?]
1878.         at com.pearson.ltg.assignments.service.AssignmentService$$FastClassBySpringCGLIB$$1d5f64e9.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
1879.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1880.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:649) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1881.         at com.pearson.ltg.assignments.service.AssignmentService$$EnhancerBySpringCGLIB$$339ea726.getAssignmentsByClass(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
1882.         at com.pearson.ltg.assignments.controller.AssignmentController.getAssignmentsByClass(AssignmentController.java:82) ~[AssignmentController.class:?]
1883.         at sun.reflect.GeneratedMethodAccessor250.invoke(Unknown Source) ~[?:?]
1884.         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_65]
1885.         at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_65]
1886.         at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1887.         at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1888.         at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1889.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:776) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1890.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:705) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1891.         at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1892.         at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1893.         at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1894.         at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:967) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1895.         at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:858) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1896.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:618) [servlet-api.jar:?]
1897.         at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:843) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1898.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) [servlet-api.jar:?]
1899.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) [catalina.jar:8.0.17]
1900.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
1901.         at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat-websocket.jar:8.0.17]
1902.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
1903.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
1904.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1905.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1906.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1907.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1908.         at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1909.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1910.         at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1911.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1912.         at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1913.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1914.         at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:154) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1915.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1916.         at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1917.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1918.         at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1919.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1920.         at org.springframework.security.oauth2.provider.authentication.OAuth2AuthenticationProcessingFilter.doFilter(OAuth2AuthenticationProcessingFilter.java:176) [spring-security-oauth2-2.0.8.RELEASE.jar:?]
1921.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1922.         at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:110) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1923.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1924.         at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:57) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1925.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1926.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1927.         at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1928.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1929.         at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:50) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1930.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1931.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1932.         at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1933.         at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
1934.         at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1935.         at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1936.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
1937.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
1938.         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) [catalina.jar:8.0.17]
1939.         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) [catalina.jar:8.0.17]
1940.         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142) [catalina.jar:8.0.17]
1941.         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) [catalina.jar:8.0.17]
1942.         at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610) [catalina.jar:8.0.17]
1943.         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) [catalina.jar:8.0.17]
1944.         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:516) [catalina.jar:8.0.17]
1945.         at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1086) [tomcat-coyote.jar:8.0.17]
1946.         at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:659) [tomcat-coyote.jar:8.0.17]
1947.         at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:223) [tomcat-coyote.jar:8.0.17]
1948.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1558) [tomcat-coyote.jar:8.0.17]
1949.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1515) [tomcat-coyote.jar:8.0.17]
1950.         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_65]
1951.         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_65]
1952.         at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-util.jar:8.0.17]
1953.         at java.lang.Thread.run(Thread.java:745) [?:1.8.0_65]
1954. Caused by: java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
1955.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:126) ~[tomcat-dbcp.jar:8.0.17]
1956.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
1957.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1958.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1959.         ... 94 more
1960. Caused by: java.util.NoSuchElementException: Timeout waiting for idle object
1961.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:446) ~[tomcat-dbcp.jar:8.0.17]
1962.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:360) ~[tomcat-dbcp.jar:8.0.17]
1963.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:118) ~[tomcat-dbcp.jar:8.0.17]
1964.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
1965.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1966.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1967.         ... 94 more
1968. ERROR [http-nio-10.0.1.210-9190-exec-6] controller.AbstractAjaxController.[[]] Dec/06 15:52:41 - Unhandled exception
1969. org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
1970.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:80) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1971.         at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:630) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1972.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:695) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1973.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:722) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1974.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:772) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1975.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.query(NamedParameterJdbcTemplate.java:192) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1976.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService.getAssignmentsByClass(AssignmentDataService.java:71) ~[AssignmentDataService.class:?]
1977.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService$$FastClassBySpringCGLIB$$3e2a2004.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
1978.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1979.         at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:717) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1980.         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1981.         at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1982.         at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:281) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1983.         at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1984.         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1985.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:653) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1986.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService$$EnhancerBySpringCGLIB$$d02d91e1.getAssignmentsByClass(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
1987.         at com.pearson.ltg.assignments.service.AssignmentService.getAssignmentsByClassForTeacher(AssignmentService.java:111) ~[AssignmentService.class:?]
1988.         at com.pearson.ltg.assignments.service.AssignmentService.getAssignmentsByClass(AssignmentService.java:101) ~[AssignmentService.class:?]
1989.         at com.pearson.ltg.assignments.service.AssignmentService$$FastClassBySpringCGLIB$$1d5f64e9.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
1990.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1991.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:649) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1992.         at com.pearson.ltg.assignments.service.AssignmentService$$EnhancerBySpringCGLIB$$339ea726.getAssignmentsByClass(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
1993.         at com.pearson.ltg.assignments.controller.AssignmentController.getAssignmentsByClass(AssignmentController.java:82) ~[AssignmentController.class:?]
1994.         at sun.reflect.GeneratedMethodAccessor250.invoke(Unknown Source) ~[?:?]
1995.         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_65]
1996.         at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_65]
1997.         at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1998.         at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
1999.         at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2000.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:776) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2001.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:705) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2002.         at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2003.         at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2004.         at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2005.         at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:967) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2006.         at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:858) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2007.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:618) [servlet-api.jar:?]
2008.         at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:843) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2009.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) [servlet-api.jar:?]
2010.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) [catalina.jar:8.0.17]
2011.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
2012.         at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat-websocket.jar:8.0.17]
2013.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
2014.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
2015.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2016.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2017.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2018.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2019.         at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2020.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2021.         at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2022.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2023.         at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2024.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2025.         at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:154) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2026.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2027.         at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2028.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2029.         at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2030.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2031.         at org.springframework.security.oauth2.provider.authentication.OAuth2AuthenticationProcessingFilter.doFilter(OAuth2AuthenticationProcessingFilter.java:176) [spring-security-oauth2-2.0.8.RELEASE.jar:?]
2032.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2033.         at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:110) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2034.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2035.         at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:57) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2036.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2037.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2038.         at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2039.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2040.         at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:50) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2041.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2042.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2043.         at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2044.         at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2045.         at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2046.         at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2047.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
2048.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
2049.         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) [catalina.jar:8.0.17]
2050.         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) [catalina.jar:8.0.17]
2051.         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142) [catalina.jar:8.0.17]
2052.         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) [catalina.jar:8.0.17]
2053.         at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610) [catalina.jar:8.0.17]
2054.         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) [catalina.jar:8.0.17]
2055.         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:516) [catalina.jar:8.0.17]
2056.         at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1086) [tomcat-coyote.jar:8.0.17]
2057.         at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:659) [tomcat-coyote.jar:8.0.17]
2058.         at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:223) [tomcat-coyote.jar:8.0.17]
2059.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1558) [tomcat-coyote.jar:8.0.17]
2060.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1515) [tomcat-coyote.jar:8.0.17]
2061.         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_65]
2062.         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_65]
2063.         at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-util.jar:8.0.17]
2064.         at java.lang.Thread.run(Thread.java:745) [?:1.8.0_65]
2065. Caused by: java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
2066.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:126) ~[tomcat-dbcp.jar:8.0.17]
2067.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
2068.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2069.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2070.         ... 94 more
2071. Caused by: java.util.NoSuchElementException: Timeout waiting for idle object
2072.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:446) ~[tomcat-dbcp.jar:8.0.17]
2073.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:360) ~[tomcat-dbcp.jar:8.0.17]
2074.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:118) ~[tomcat-dbcp.jar:8.0.17]
2075.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
2076.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2077.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2078.         ... 94 more
2079. ERROR [http-nio-10.0.1.210-9190-exec-91] controller.AbstractAjaxController.[[]] Dec/06 15:52:44 - Unhandled exception
2080. org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
2081.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:80) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2082.         at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:630) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2083.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:695) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2084.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:722) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2085.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:772) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2086.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.query(NamedParameterJdbcTemplate.java:192) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2087.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService.getStudentAssignmentDetails(AssignmentDataService.java:609) ~[AssignmentDataService.class:?]
2088.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService$$FastClassBySpringCGLIB$$3e2a2004.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
2089.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2090.         at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:717) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2091.         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2092.         at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2093.         at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:281) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2094.         at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2095.         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2096.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:653) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2097.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService$$EnhancerBySpringCGLIB$$d02d91e1.getStudentAssignmentDetails(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
2098.         at com.pearson.ltg.assignments.service.AssignmentService.getStudentAssignmentDetails(AssignmentService.java:1165) ~[AssignmentService.class:?]
2099.         at com.pearson.ltg.assignments.service.AssignmentService$$FastClassBySpringCGLIB$$1d5f64e9.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
2100.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2101.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:649) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2102.         at com.pearson.ltg.assignments.service.AssignmentService$$EnhancerBySpringCGLIB$$339ea726.getStudentAssignmentDetails(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
2103.         at com.pearson.ltg.assignments.controller.sas.SASAssignmentController.getStudentAssignmentDetails(SASAssignmentController.java:86) ~[SASAssignmentController.class:?]
2104.         at sun.reflect.GeneratedMethodAccessor420.invoke(Unknown Source) ~[?:?]
2105.         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_65]
2106.         at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_65]
2107.         at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2108.         at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2109.         at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2110.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:776) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2111.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:705) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2112.         at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2113.         at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2114.         at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2115.         at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:967) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2116.         at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:869) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2117.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:644) [servlet-api.jar:?]
2118.         at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:843) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2119.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) [servlet-api.jar:?]
2120.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) [catalina.jar:8.0.17]
2121.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
2122.         at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat-websocket.jar:8.0.17]
2123.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
2124.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
2125.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2126.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2127.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2128.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2129.         at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2130.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2131.         at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2132.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2133.         at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2134.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2135.         at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:154) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2136.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2137.         at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2138.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2139.         at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2140.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2141.         at org.springframework.security.oauth2.provider.authentication.OAuth2AuthenticationProcessingFilter.doFilter(OAuth2AuthenticationProcessingFilter.java:176) [spring-security-oauth2-2.0.8.RELEASE.jar:?]
2142.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2143.         at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:110) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2144.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2145.         at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:57) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2146.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2147.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2148.         at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2149.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2150.         at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:50) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2151.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2152.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2153.         at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2154.         at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2155.         at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2156.         at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2157.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
2158.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
2159.         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) [catalina.jar:8.0.17]
2160.         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) [catalina.jar:8.0.17]
2161.         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142) [catalina.jar:8.0.17]
2162.         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) [catalina.jar:8.0.17]
2163.         at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610) [catalina.jar:8.0.17]
2164.         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) [catalina.jar:8.0.17]
2165.         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:516) [catalina.jar:8.0.17]
2166.         at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1086) [tomcat-coyote.jar:8.0.17]
2167.         at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:659) [tomcat-coyote.jar:8.0.17]
2168.         at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:223) [tomcat-coyote.jar:8.0.17]
2169.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1558) [tomcat-coyote.jar:8.0.17]
2170.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1515) [tomcat-coyote.jar:8.0.17]
2171.         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_65]
2172.         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_65]
2173.         at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-util.jar:8.0.17]
2174.         at java.lang.Thread.run(Thread.java:745) [?:1.8.0_65]
2175. Caused by: java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
2176.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:126) ~[tomcat-dbcp.jar:8.0.17]
2177.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
2178.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2179.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2180.         ... 93 more
2181. Caused by: java.util.NoSuchElementException: Timeout waiting for idle object
2182.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:446) ~[tomcat-dbcp.jar:8.0.17]
2183.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:360) ~[tomcat-dbcp.jar:8.0.17]
2184.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:118) ~[tomcat-dbcp.jar:8.0.17]
2185.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
2186.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2187.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2188.         ... 93 more
2189. ERROR [http-nio-10.0.1.210-9190-exec-127] controller.AbstractAjaxController.[[]] Dec/06 15:52:52 - Unhandled exception
2190. org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
2191.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:80) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2192.         at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:630) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2193.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:695) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2194.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:722) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2195.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:772) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2196.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.queryForObject(NamedParameterJdbcTemplate.java:211) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2197.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.queryForObject(NamedParameterJdbcTemplate.java:226) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2198.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.queryForInt(NamedParameterJdbcTemplate.java:262) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2199.         at com.pearson.ltg.assignments.dataaccess.LoginStatisticsDataService.isTeacherStatsRecordPresent(LoginStatisticsDataService.java:246) ~[LoginStatisticsDataService.class:?]
2200.         at com.pearson.ltg.assignments.dataaccess.LoginStatisticsDataService$$FastClassBySpringCGLIB$$97d814f9.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
2201.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2202.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:649) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2203.         at com.pearson.ltg.assignments.dataaccess.LoginStatisticsDataService$$EnhancerBySpringCGLIB$$2e3fe536.isTeacherStatsRecordPresent(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
2204.         at com.pearson.ltg.assignments.service.AssignmentService.isTeacherStatsRecordPresent(AssignmentService.java:1198) ~[AssignmentService.class:?]
2205.         at com.pearson.ltg.assignments.service.AssignmentService$$FastClassBySpringCGLIB$$1d5f64e9.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
2206.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2207.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:649) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2208.         at com.pearson.ltg.assignments.service.AssignmentService$$EnhancerBySpringCGLIB$$339ea726.isTeacherStatsRecordPresent(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
2209.         at com.pearson.ltg.assignments.controller.AssignmentController.isTeacherStatsRecordPresent(AssignmentController.java:380) ~[AssignmentController.class:?]
2210.         at sun.reflect.GeneratedMethodAccessor187.invoke(Unknown Source) ~[?:?]
2211.         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_65]
2212.         at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_65]
2213.         at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2214.         at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2215.         at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2216.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:776) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2217.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:705) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2218.         at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2219.         at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2220.         at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2221.         at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:967) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2222.         at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:858) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2223.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:618) [servlet-api.jar:?]
2224.         at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:843) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2225.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) [servlet-api.jar:?]
2226.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) [catalina.jar:8.0.17]
2227.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
2228.         at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat-websocket.jar:8.0.17]
2229.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
2230.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
2231.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2232.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2233.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2234.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2235.         at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2236.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2237.         at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2238.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2239.         at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2240.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2241.         at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:154) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2242.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2243.         at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2244.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2245.         at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2246.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2247.         at org.springframework.security.oauth2.provider.authentication.OAuth2AuthenticationProcessingFilter.doFilter(OAuth2AuthenticationProcessingFilter.java:176) [spring-security-oauth2-2.0.8.RELEASE.jar:?]
2248.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2249.         at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:110) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2250.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2251.         at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:57) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2252.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2253.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2254.         at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2255.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2256.         at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:50) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2257.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2258.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2259.         at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2260.         at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2261.         at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2262.         at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2263.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
2264.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
2265.         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) [catalina.jar:8.0.17]
2266.         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) [catalina.jar:8.0.17]
2267.         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142) [catalina.jar:8.0.17]
2268.         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) [catalina.jar:8.0.17]
2269.         at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610) [catalina.jar:8.0.17]
2270.         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) [catalina.jar:8.0.17]
2271.         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:516) [catalina.jar:8.0.17]
2272.         at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1086) [tomcat-coyote.jar:8.0.17]
2273.         at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:659) [tomcat-coyote.jar:8.0.17]
2274.         at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:223) [tomcat-coyote.jar:8.0.17]
2275.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1558) [tomcat-coyote.jar:8.0.17]
2276.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1515) [tomcat-coyote.jar:8.0.17]
2277.         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_65]
2278.         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_65]
2279.         at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-util.jar:8.0.17]
2280.         at java.lang.Thread.run(Thread.java:745) [?:1.8.0_65]
2281. Caused by: java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
2282.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:126) ~[tomcat-dbcp.jar:8.0.17]
2283.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
2284.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2285.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2286.         ... 89 more
2287. Caused by: java.util.NoSuchElementException: Timeout waiting for idle object
2288.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:446) ~[tomcat-dbcp.jar:8.0.17]
2289.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:360) ~[tomcat-dbcp.jar:8.0.17]
2290.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:118) ~[tomcat-dbcp.jar:8.0.17]
2291.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
2292.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2293.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2294.         ... 89 more
2295. ERROR [http-nio-10.0.1.210-9190-exec-74] controller.AbstractAjaxController.[[]] Dec/06 15:52:53 - Unhandled exception
2296. org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
2297.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:80) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2298.         at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:630) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2299.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:695) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2300.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:722) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2301.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:772) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2302.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.queryForObject(NamedParameterJdbcTemplate.java:211) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2303.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.queryForObject(NamedParameterJdbcTemplate.java:226) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2304.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.queryForInt(NamedParameterJdbcTemplate.java:262) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2305.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService.getNewScoresCount(AssignmentDataService.java:362) ~[AssignmentDataService.class:?]
2306.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService$$FastClassBySpringCGLIB$$3e2a2004.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
2307.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2308.         at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:717) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2309.         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2310.         at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2311.         at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:281) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2312.         at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2313.         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2314.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:653) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2315.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService$$EnhancerBySpringCGLIB$$d02d91e1.getNewScoresCount(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
2316.         at com.pearson.ltg.assignments.service.AssignmentService.updateClassesReportingDataForTeacherClassesActivity(AssignmentService.java:870) ~[AssignmentService.class:?]
2317.         at com.pearson.ltg.assignments.service.AssignmentService.getClassesActivityData(AssignmentService.java:798) ~[AssignmentService.class:?]
2318.         at com.pearson.ltg.assignments.service.AssignmentService$$FastClassBySpringCGLIB$$1d5f64e9.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
2319.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2320.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:649) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2321.         at com.pearson.ltg.assignments.service.AssignmentService$$EnhancerBySpringCGLIB$$339ea726.getClassesActivityData(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
2322.         at com.pearson.ltg.assignments.controller.AssignmentController.getClassesReportingData(AssignmentController.java:367) ~[AssignmentController.class:?]
2323.         at sun.reflect.GeneratedMethodAccessor177.invoke(Unknown Source) ~[?:?]
2324.         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_65]
2325.         at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_65]
2326.         at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2327.         at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2328.         at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2329.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:776) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2330.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:705) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2331.         at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2332.         at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2333.         at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2334.         at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:967) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2335.         at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:869) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2336.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:644) [servlet-api.jar:?]
2337.         at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:843) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2338.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) [servlet-api.jar:?]
2339.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) [catalina.jar:8.0.17]
2340.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
2341.         at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat-websocket.jar:8.0.17]
2342.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
2343.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
2344.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2345.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2346.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2347.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2348.         at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2349.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2350.         at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2351.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2352.         at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2353.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2354.         at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:154) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2355.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2356.         at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2357.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2358.         at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2359.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2360.         at org.springframework.security.oauth2.provider.authentication.OAuth2AuthenticationProcessingFilter.doFilter(OAuth2AuthenticationProcessingFilter.java:176) [spring-security-oauth2-2.0.8.RELEASE.jar:?]
2361.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2362.         at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:110) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2363.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2364.         at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:57) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2365.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2366.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2367.         at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2368.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2369.         at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:50) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2370.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2371.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2372.         at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2373.         at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2374.         at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2375.         at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2376.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
2377.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
2378.         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) [catalina.jar:8.0.17]
2379.         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) [catalina.jar:8.0.17]
2380.         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142) [catalina.jar:8.0.17]
2381.         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) [catalina.jar:8.0.17]
2382.         at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610) [catalina.jar:8.0.17]
2383.         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) [catalina.jar:8.0.17]
2384.         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:516) [catalina.jar:8.0.17]
2385.         at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1086) [tomcat-coyote.jar:8.0.17]
2386.         at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:659) [tomcat-coyote.jar:8.0.17]
2387.         at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:223) [tomcat-coyote.jar:8.0.17]
2388.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1558) [tomcat-coyote.jar:8.0.17]
2389.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1515) [tomcat-coyote.jar:8.0.17]
2390.         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_65]
2391.         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_65]
2392.         at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-util.jar:8.0.17]
2393.         at java.lang.Thread.run(Thread.java:745) [?:1.8.0_65]
2394. Caused by: java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
2395.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:126) ~[tomcat-dbcp.jar:8.0.17]
2396.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
2397.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2398.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2399.         ... 96 more
2400. Caused by: java.util.NoSuchElementException: Timeout waiting for idle object
2401.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:446) ~[tomcat-dbcp.jar:8.0.17]
2402.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:360) ~[tomcat-dbcp.jar:8.0.17]
2403.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:118) ~[tomcat-dbcp.jar:8.0.17]
2404.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
2405.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2406.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2407.         ... 96 more
2408. ERROR [http-nio-10.0.1.210-9190-exec-58] controller.AbstractAjaxController.[[]] Dec/06 15:52:56 - Unhandled exception
2409. org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
2410.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:80) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2411.         at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:630) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2412.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:695) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2413.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:722) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2414.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.queryForRowSet(NamedParameterJdbcTemplate.java:302) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2415.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService.getAssignmentsCountByClass(AssignmentDataService.java:85) ~[AssignmentDataService.class:?]
2416.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService$$FastClassBySpringCGLIB$$3e2a2004.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
2417.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2418.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:649) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2419.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService$$EnhancerBySpringCGLIB$$d02d91e1.getAssignmentsCountByClass(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
2420.         at com.pearson.ltg.assignments.service.AssignmentService.getAssignmentsCountByClass(AssignmentService.java:327) ~[AssignmentService.class:?]
2421.         at com.pearson.ltg.assignments.service.AssignmentService$$FastClassBySpringCGLIB$$1d5f64e9.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
2422.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2423.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:649) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2424.         at com.pearson.ltg.assignments.service.AssignmentService$$EnhancerBySpringCGLIB$$339ea726.getAssignmentsCountByClass(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
2425.         at com.pearson.ltg.assignments.controller.AssignmentController.getAssignmentsCountByClass(AssignmentController.java:95) ~[AssignmentController.class:?]
2426.         at sun.reflect.GeneratedMethodAccessor266.invoke(Unknown Source) ~[?:?]
2427.         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_65]
2428.         at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_65]
2429.         at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2430.         at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2431.         at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2432.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:776) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2433.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:705) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2434.         at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2435.         at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2436.         at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2437.         at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:967) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2438.         at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:858) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2439.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:618) [servlet-api.jar:?]
2440.         at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:843) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2441.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) [servlet-api.jar:?]
2442.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) [catalina.jar:8.0.17]
2443.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
2444.         at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat-websocket.jar:8.0.17]
2445.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
2446.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
2447.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2448.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2449.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2450.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2451.         at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2452.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2453.         at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2454.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2455.         at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2456.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2457.         at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:154) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2458.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2459.         at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2460.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2461.         at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2462.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2463.         at org.springframework.security.oauth2.provider.authentication.OAuth2AuthenticationProcessingFilter.doFilter(OAuth2AuthenticationProcessingFilter.java:176) [spring-security-oauth2-2.0.8.RELEASE.jar:?]
2464.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2465.         at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:110) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2466.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2467.         at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:57) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2468.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2469.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2470.         at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2471.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2472.         at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:50) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2473.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2474.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2475.         at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2476.         at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2477.         at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2478.         at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2479.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
2480.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
2481.         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) [catalina.jar:8.0.17]
2482.         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) [catalina.jar:8.0.17]
2483.         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142) [catalina.jar:8.0.17]
2484.         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) [catalina.jar:8.0.17]
2485.         at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610) [catalina.jar:8.0.17]
2486.         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) [catalina.jar:8.0.17]
2487.         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:516) [catalina.jar:8.0.17]
2488.         at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1086) [tomcat-coyote.jar:8.0.17]
2489.         at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:659) [tomcat-coyote.jar:8.0.17]
2490.         at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:223) [tomcat-coyote.jar:8.0.17]
2491.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1558) [tomcat-coyote.jar:8.0.17]
2492.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1515) [tomcat-coyote.jar:8.0.17]
2493.         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_65]
2494.         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_65]
2495.         at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-util.jar:8.0.17]
2496.         at java.lang.Thread.run(Thread.java:745) [?:1.8.0_65]
2497. Caused by: java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
2498.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:126) ~[tomcat-dbcp.jar:8.0.17]
2499.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
2500.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2501.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2502.         ... 86 more
2503. Caused by: java.util.NoSuchElementException: Timeout waiting for idle object
2504.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:446) ~[tomcat-dbcp.jar:8.0.17]
2505.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:360) ~[tomcat-dbcp.jar:8.0.17]
2506.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:118) ~[tomcat-dbcp.jar:8.0.17]
2507.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
2508.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2509.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2510.         ... 86 more
2511. ERROR [http-nio-10.0.1.210-9190-exec-118] controller.AbstractAjaxController.[[]] Dec/06 15:52:58 - Unhandled exception
2512. org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
2513.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:80) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2514.         at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:630) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2515.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:695) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2516.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:722) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2517.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:772) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2518.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.queryForObject(NamedParameterJdbcTemplate.java:211) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2519.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.queryForObject(NamedParameterJdbcTemplate.java:226) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2520.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.queryForInt(NamedParameterJdbcTemplate.java:262) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2521.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService.getNewScoresCount(AssignmentDataService.java:362) ~[AssignmentDataService.class:?]
2522.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService$$FastClassBySpringCGLIB$$3e2a2004.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
2523.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2524.         at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:717) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2525.         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2526.         at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2527.         at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:281) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2528.         at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2529.         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2530.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:653) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2531.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService$$EnhancerBySpringCGLIB$$d02d91e1.getNewScoresCount(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
2532.         at com.pearson.ltg.assignments.service.AssignmentService.updateClassesReportingDataForTeacherClassesActivity(AssignmentService.java:870) ~[AssignmentService.class:?]
2533.         at com.pearson.ltg.assignments.service.AssignmentService.getClassesActivityData(AssignmentService.java:798) ~[AssignmentService.class:?]
2534.         at com.pearson.ltg.assignments.service.AssignmentService$$FastClassBySpringCGLIB$$1d5f64e9.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
2535.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2536.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:649) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2537.         at com.pearson.ltg.assignments.service.AssignmentService$$EnhancerBySpringCGLIB$$339ea726.getClassesActivityData(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
2538.         at com.pearson.ltg.assignments.controller.AssignmentController.getClassesReportingData(AssignmentController.java:367) ~[AssignmentController.class:?]
2539.         at sun.reflect.GeneratedMethodAccessor177.invoke(Unknown Source) ~[?:?]
2540.         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_65]
2541.         at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_65]
2542.         at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2543.         at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2544.         at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2545.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:776) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2546.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:705) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2547.         at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2548.         at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2549.         at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2550.         at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:967) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2551.         at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:869) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2552.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:644) [servlet-api.jar:?]
2553.         at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:843) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2554.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) [servlet-api.jar:?]
2555.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) [catalina.jar:8.0.17]
2556.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
2557.         at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat-websocket.jar:8.0.17]
2558.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
2559.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
2560.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2561.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2562.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2563.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2564.         at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2565.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2566.         at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2567.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2568.         at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2569.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2570.         at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:154) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2571.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2572.         at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2573.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2574.         at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2575.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2576.         at org.springframework.security.oauth2.provider.authentication.OAuth2AuthenticationProcessingFilter.doFilter(OAuth2AuthenticationProcessingFilter.java:176) [spring-security-oauth2-2.0.8.RELEASE.jar:?]
2577.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2578.         at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:110) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2579.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2580.         at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:57) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2581.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2582.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2583.         at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2584.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2585.         at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:50) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2586.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2587.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2588.         at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2589.         at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2590.         at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2591.         at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2592.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
2593.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
2594.         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) [catalina.jar:8.0.17]
2595.         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) [catalina.jar:8.0.17]
2596.         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142) [catalina.jar:8.0.17]
2597.         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) [catalina.jar:8.0.17]
2598.         at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610) [catalina.jar:8.0.17]
2599.         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) [catalina.jar:8.0.17]
2600.         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:516) [catalina.jar:8.0.17]
2601.         at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1086) [tomcat-coyote.jar:8.0.17]
2602.         at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:659) [tomcat-coyote.jar:8.0.17]
2603.         at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:223) [tomcat-coyote.jar:8.0.17]
2604.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1558) [tomcat-coyote.jar:8.0.17]
2605.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1515) [tomcat-coyote.jar:8.0.17]
2606.         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_65]
2607.         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_65]
2608.         at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-util.jar:8.0.17]
2609.         at java.lang.Thread.run(Thread.java:745) [?:1.8.0_65]
2610. Caused by: java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
2611.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:126) ~[tomcat-dbcp.jar:8.0.17]
2612.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
2613.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2614.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2615.         ... 96 more
2616. Caused by: java.util.NoSuchElementException: Timeout waiting for idle object
2617.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:446) ~[tomcat-dbcp.jar:8.0.17]
2618.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:360) ~[tomcat-dbcp.jar:8.0.17]
2619.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:118) ~[tomcat-dbcp.jar:8.0.17]
2620.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
2621.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2622.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2623.         ... 96 more
2624. ERROR [http-nio-10.0.1.210-9190-exec-72] controller.AbstractAjaxController.[[]] Dec/06 15:52:59 - Unhandled exception
2625. org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
2626.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:80) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2627.         at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:630) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2628.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:695) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2629.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:722) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2630.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:772) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2631.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.queryForObject(NamedParameterJdbcTemplate.java:211) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2632.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.queryForObject(NamedParameterJdbcTemplate.java:226) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2633.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.queryForInt(NamedParameterJdbcTemplate.java:262) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2634.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService.getNewScoresCount(AssignmentDataService.java:362) ~[AssignmentDataService.class:?]
2635.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService$$FastClassBySpringCGLIB$$3e2a2004.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
2636.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2637.         at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:717) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2638.         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2639.         at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2640.         at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:281) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2641.         at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2642.         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2643.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:653) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2644.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService$$EnhancerBySpringCGLIB$$d02d91e1.getNewScoresCount(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
2645.         at com.pearson.ltg.assignments.service.AssignmentService.updateClassesReportingDataForTeacherClassesActivity(AssignmentService.java:870) ~[AssignmentService.class:?]
2646.         at com.pearson.ltg.assignments.service.AssignmentService.getClassesActivityData(AssignmentService.java:798) ~[AssignmentService.class:?]
2647.         at com.pearson.ltg.assignments.service.AssignmentService$$FastClassBySpringCGLIB$$1d5f64e9.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
2648.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2649.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:649) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2650.         at com.pearson.ltg.assignments.service.AssignmentService$$EnhancerBySpringCGLIB$$339ea726.getClassesActivityData(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
2651.         at com.pearson.ltg.assignments.controller.AssignmentController.getClassesReportingData(AssignmentController.java:367) ~[AssignmentController.class:?]
2652.         at sun.reflect.GeneratedMethodAccessor177.invoke(Unknown Source) ~[?:?]
2653.         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_65]
2654.         at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_65]
2655.         at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2656.         at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2657.         at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2658.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:776) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2659.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:705) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2660.         at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2661.         at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2662.         at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2663.         at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:967) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2664.         at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:869) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2665.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:644) [servlet-api.jar:?]
2666.         at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:843) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2667.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) [servlet-api.jar:?]
2668.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) [catalina.jar:8.0.17]
2669.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
2670.         at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat-websocket.jar:8.0.17]
2671.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
2672.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
2673.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2674.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2675.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2676.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2677.         at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2678.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2679.         at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2680.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2681.         at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2682.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2683.         at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:154) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2684.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2685.         at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2686.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2687.         at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2688.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2689.         at org.springframework.security.oauth2.provider.authentication.OAuth2AuthenticationProcessingFilter.doFilter(OAuth2AuthenticationProcessingFilter.java:176) [spring-security-oauth2-2.0.8.RELEASE.jar:?]
2690.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2691.         at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:110) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2692.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2693.         at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:57) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2694.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2695.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2696.         at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2697.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2698.         at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:50) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2699.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2700.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2701.         at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2702.         at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2703.         at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2704.         at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2705.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
2706.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
2707.         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) [catalina.jar:8.0.17]
2708.         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) [catalina.jar:8.0.17]
2709.         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142) [catalina.jar:8.0.17]
2710.         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) [catalina.jar:8.0.17]
2711.         at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610) [catalina.jar:8.0.17]
2712.         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) [catalina.jar:8.0.17]
2713.         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:516) [catalina.jar:8.0.17]
2714.         at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1086) [tomcat-coyote.jar:8.0.17]
2715.         at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:659) [tomcat-coyote.jar:8.0.17]
2716.         at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:223) [tomcat-coyote.jar:8.0.17]
2717.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1558) [tomcat-coyote.jar:8.0.17]
2718.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1515) [tomcat-coyote.jar:8.0.17]
2719.         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_65]
2720.         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_65]
2721.         at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-util.jar:8.0.17]
2722.         at java.lang.Thread.run(Thread.java:745) [?:1.8.0_65]
2723. Caused by: java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
2724.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:126) ~[tomcat-dbcp.jar:8.0.17]
2725.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
2726.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2727.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2728.         ... 96 more
2729. Caused by: java.util.NoSuchElementException: Timeout waiting for idle object
2730.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:446) ~[tomcat-dbcp.jar:8.0.17]
2731.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:360) ~[tomcat-dbcp.jar:8.0.17]
2732.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:118) ~[tomcat-dbcp.jar:8.0.17]
2733.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
2734.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2735.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2736.         ... 96 more
2737. ERROR [http-nio-10.0.1.210-9190-exec-89] controller.AbstractAjaxController.[[]] Dec/06 15:53:17 - Unhandled exception
2738. org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
2739.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:80) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2740.         at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:630) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2741.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:695) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2742.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:722) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2743.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:772) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2744.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.queryForObject(NamedParameterJdbcTemplate.java:211) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2745.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.queryForObject(NamedParameterJdbcTemplate.java:226) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2746.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.queryForInt(NamedParameterJdbcTemplate.java:262) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2747.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService.getNewScoresCount(AssignmentDataService.java:362) ~[AssignmentDataService.class:?]
2748.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService$$FastClassBySpringCGLIB$$3e2a2004.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
2749.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2750.         at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:717) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2751.         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2752.         at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2753.         at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:281) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2754.         at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2755.         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2756.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:653) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2757.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService$$EnhancerBySpringCGLIB$$d02d91e1.getNewScoresCount(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
2758.         at com.pearson.ltg.assignments.service.AssignmentService.updateClassesReportingDataForTeacherClassesActivity(AssignmentService.java:870) ~[AssignmentService.class:?]
2759.         at com.pearson.ltg.assignments.service.AssignmentService.getClassesActivityData(AssignmentService.java:798) ~[AssignmentService.class:?]
2760.         at com.pearson.ltg.assignments.service.AssignmentService$$FastClassBySpringCGLIB$$1d5f64e9.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
2761.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2762.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:649) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2763.         at com.pearson.ltg.assignments.service.AssignmentService$$EnhancerBySpringCGLIB$$339ea726.getClassesActivityData(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
2764.         at com.pearson.ltg.assignments.controller.AssignmentController.getClassesReportingData(AssignmentController.java:367) ~[AssignmentController.class:?]
2765.         at sun.reflect.GeneratedMethodAccessor177.invoke(Unknown Source) ~[?:?]
2766.         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_65]
2767.         at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_65]
2768.         at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2769.         at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2770.         at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2771.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:776) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2772.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:705) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2773.         at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2774.         at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2775.         at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2776.         at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:967) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2777.         at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:869) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2778.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:644) [servlet-api.jar:?]
2779.         at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:843) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2780.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) [servlet-api.jar:?]
2781.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) [catalina.jar:8.0.17]
2782.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
2783.         at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat-websocket.jar:8.0.17]
2784.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
2785.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
2786.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2787.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2788.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2789.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2790.         at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2791.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2792.         at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2793.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2794.         at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2795.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2796.         at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:154) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2797.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2798.         at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2799.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2800.         at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2801.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2802.         at org.springframework.security.oauth2.provider.authentication.OAuth2AuthenticationProcessingFilter.doFilter(OAuth2AuthenticationProcessingFilter.java:176) [spring-security-oauth2-2.0.8.RELEASE.jar:?]
2803.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2804.         at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:110) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2805.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2806.         at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:57) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2807.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2808.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2809.         at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2810.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2811.         at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:50) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2812.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2813.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2814.         at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2815.         at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2816.         at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2817.         at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2818.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
2819.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
2820.         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) [catalina.jar:8.0.17]
2821.         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) [catalina.jar:8.0.17]
2822.         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142) [catalina.jar:8.0.17]
2823.         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) [catalina.jar:8.0.17]
2824.         at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610) [catalina.jar:8.0.17]
2825.         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) [catalina.jar:8.0.17]
2826.         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:516) [catalina.jar:8.0.17]
2827.         at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1086) [tomcat-coyote.jar:8.0.17]
2828.         at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:659) [tomcat-coyote.jar:8.0.17]
2829.         at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:223) [tomcat-coyote.jar:8.0.17]
2830.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1558) [tomcat-coyote.jar:8.0.17]
2831.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1515) [tomcat-coyote.jar:8.0.17]
2832.         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_65]
2833.         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_65]
2834.         at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-util.jar:8.0.17]
2835.         at java.lang.Thread.run(Thread.java:745) [?:1.8.0_65]
2836. Caused by: java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
2837.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:126) ~[tomcat-dbcp.jar:8.0.17]
2838.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
2839.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2840.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2841.         ... 96 more
2842. Caused by: java.util.NoSuchElementException: Timeout waiting for idle object
2843.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:446) ~[tomcat-dbcp.jar:8.0.17]
2844.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:360) ~[tomcat-dbcp.jar:8.0.17]
2845.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:118) ~[tomcat-dbcp.jar:8.0.17]
2846.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
2847.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2848.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2849.         ... 96 more
2850. ERROR [http-nio-10.0.1.210-9190-exec-14] controller.AbstractAjaxController.[[]] Dec/06 15:53:21 - Unhandled exception
2851. org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
2852.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:80) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2853.         at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:630) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2854.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:695) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2855.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:722) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2856.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:772) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2857.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.queryForObject(NamedParameterJdbcTemplate.java:211) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2858.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.queryForObject(NamedParameterJdbcTemplate.java:226) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2859.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.queryForInt(NamedParameterJdbcTemplate.java:262) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2860.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService.getNewScoresCount(AssignmentDataService.java:362) ~[AssignmentDataService.class:?]
2861.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService$$FastClassBySpringCGLIB$$3e2a2004.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
2862.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2863.         at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:717) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2864.         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2865.         at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2866.         at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:281) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2867.         at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2868.         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2869.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:653) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2870.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService$$EnhancerBySpringCGLIB$$d02d91e1.getNewScoresCount(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
2871.         at com.pearson.ltg.assignments.service.AssignmentService.updateClassesReportingDataForTeacherClassesActivity(AssignmentService.java:870) ~[AssignmentService.class:?]
2872.         at com.pearson.ltg.assignments.service.AssignmentService.getClassesActivityData(AssignmentService.java:798) ~[AssignmentService.class:?]
2873.         at com.pearson.ltg.assignments.service.AssignmentService$$FastClassBySpringCGLIB$$1d5f64e9.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
2874.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2875.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:649) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2876.         at com.pearson.ltg.assignments.service.AssignmentService$$EnhancerBySpringCGLIB$$339ea726.getClassesActivityData(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
2877.         at com.pearson.ltg.assignments.controller.AssignmentController.getClassesReportingData(AssignmentController.java:367) ~[AssignmentController.class:?]
2878.         at sun.reflect.GeneratedMethodAccessor177.invoke(Unknown Source) ~[?:?]
2879.         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_65]
2880.         at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_65]
2881.         at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2882.         at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2883.         at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2884.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:776) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2885.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:705) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2886.         at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2887.         at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2888.         at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2889.         at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:967) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2890.         at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:869) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2891.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:644) [servlet-api.jar:?]
2892.         at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:843) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2893.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) [servlet-api.jar:?]
2894.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) [catalina.jar:8.0.17]
2895.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
2896.         at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat-websocket.jar:8.0.17]
2897.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
2898.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
2899.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2900.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2901.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2902.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2903.         at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2904.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2905.         at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2906.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2907.         at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2908.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2909.         at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:154) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2910.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2911.         at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2912.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2913.         at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2914.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2915.         at org.springframework.security.oauth2.provider.authentication.OAuth2AuthenticationProcessingFilter.doFilter(OAuth2AuthenticationProcessingFilter.java:176) [spring-security-oauth2-2.0.8.RELEASE.jar:?]
2916.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2917.         at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:110) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2918.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2919.         at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:57) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2920.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2921.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2922.         at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2923.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2924.         at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:50) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2925.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2926.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2927.         at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2928.         at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
2929.         at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2930.         at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2931.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
2932.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
2933.         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) [catalina.jar:8.0.17]
2934.         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) [catalina.jar:8.0.17]
2935.         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142) [catalina.jar:8.0.17]
2936.         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) [catalina.jar:8.0.17]
2937.         at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610) [catalina.jar:8.0.17]
2938.         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) [catalina.jar:8.0.17]
2939.         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:516) [catalina.jar:8.0.17]
2940.         at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1086) [tomcat-coyote.jar:8.0.17]
2941.         at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:659) [tomcat-coyote.jar:8.0.17]
2942.         at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:223) [tomcat-coyote.jar:8.0.17]
2943.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1558) [tomcat-coyote.jar:8.0.17]
2944.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1515) [tomcat-coyote.jar:8.0.17]
2945.         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_65]
2946.         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_65]
2947.         at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-util.jar:8.0.17]
2948.         at java.lang.Thread.run(Thread.java:745) [?:1.8.0_65]
2949. Caused by: java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
2950.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:126) ~[tomcat-dbcp.jar:8.0.17]
2951.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
2952.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2953.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2954.         ... 96 more
2955. Caused by: java.util.NoSuchElementException: Timeout waiting for idle object
2956.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:446) ~[tomcat-dbcp.jar:8.0.17]
2957.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:360) ~[tomcat-dbcp.jar:8.0.17]
2958.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:118) ~[tomcat-dbcp.jar:8.0.17]
2959.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
2960.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2961.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2962.         ... 96 more
2963. ERROR [http-nio-10.0.1.210-9190-exec-90] controller.AbstractAjaxController.[[]] Dec/06 15:53:22 - Unhandled exception
2964. org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
2965.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:80) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2966.         at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:630) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2967.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:695) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2968.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:722) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2969.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:772) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2970.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.query(NamedParameterJdbcTemplate.java:192) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2971.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService.getStudentAssignmentDetails(AssignmentDataService.java:609) ~[AssignmentDataService.class:?]
2972.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService$$FastClassBySpringCGLIB$$3e2a2004.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
2973.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2974.         at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:717) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2975.         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2976.         at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2977.         at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:281) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2978.         at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2979.         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2980.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:653) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2981.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService$$EnhancerBySpringCGLIB$$d02d91e1.getStudentAssignmentDetails(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
2982.         at com.pearson.ltg.assignments.service.AssignmentService.getStudentAssignmentDetails(AssignmentService.java:1165) ~[AssignmentService.class:?]
2983.         at com.pearson.ltg.assignments.service.AssignmentService$$FastClassBySpringCGLIB$$1d5f64e9.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
2984.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2985.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:649) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2986.         at com.pearson.ltg.assignments.service.AssignmentService$$EnhancerBySpringCGLIB$$339ea726.getStudentAssignmentDetails(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
2987.         at com.pearson.ltg.assignments.controller.sas.SASAssignmentController.getStudentAssignmentDetails(SASAssignmentController.java:86) ~[SASAssignmentController.class:?]
2988.         at sun.reflect.GeneratedMethodAccessor420.invoke(Unknown Source) ~[?:?]
2989.         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_65]
2990.         at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_65]
2991.         at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2992.         at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2993.         at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2994.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:776) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2995.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:705) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2996.         at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2997.         at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2998.         at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
2999.         at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:967) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3000.         at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:869) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3001.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:644) [servlet-api.jar:?]
3002.         at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:843) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3003.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) [servlet-api.jar:?]
3004.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) [catalina.jar:8.0.17]
3005.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
3006.         at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat-websocket.jar:8.0.17]
3007.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
3008.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
3009.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3010.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3011.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3012.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3013.         at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3014.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3015.         at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3016.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3017.         at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3018.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3019.         at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:154) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3020.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3021.         at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3022.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3023.         at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3024.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3025.         at org.springframework.security.oauth2.provider.authentication.OAuth2AuthenticationProcessingFilter.doFilter(OAuth2AuthenticationProcessingFilter.java:176) [spring-security-oauth2-2.0.8.RELEASE.jar:?]
3026.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3027.         at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:110) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3028.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3029.         at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:57) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3030.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3031.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3032.         at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3033.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3034.         at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:50) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3035.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3036.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3037.         at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3038.         at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3039.         at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3040.         at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3041.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
3042.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
3043.         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) [catalina.jar:8.0.17]
3044.         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) [catalina.jar:8.0.17]
3045.         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142) [catalina.jar:8.0.17]
3046.         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) [catalina.jar:8.0.17]
3047.         at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610) [catalina.jar:8.0.17]
3048.         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) [catalina.jar:8.0.17]
3049.         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:516) [catalina.jar:8.0.17]
3050.         at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1086) [tomcat-coyote.jar:8.0.17]
3051.         at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:659) [tomcat-coyote.jar:8.0.17]
3052.         at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:223) [tomcat-coyote.jar:8.0.17]
3053.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1558) [tomcat-coyote.jar:8.0.17]
3054.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1515) [tomcat-coyote.jar:8.0.17]
3055.         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_65]
3056.         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_65]
3057.         at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-util.jar:8.0.17]
3058.         at java.lang.Thread.run(Thread.java:745) [?:1.8.0_65]
3059. Caused by: java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
3060.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:126) ~[tomcat-dbcp.jar:8.0.17]
3061.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
3062.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3063.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3064.         ... 93 more
3065. Caused by: java.util.NoSuchElementException: Timeout waiting for idle object
3066.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:446) ~[tomcat-dbcp.jar:8.0.17]
3067.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:360) ~[tomcat-dbcp.jar:8.0.17]
3068.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:118) ~[tomcat-dbcp.jar:8.0.17]
3069.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
3070.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3071.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3072.         ... 93 more
3073. ERROR [http-nio-10.0.1.210-9190-exec-104] controller.AbstractAjaxController.[[]] Dec/06 15:53:24 - Unhandled exception
3074. org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
3075.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:80) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3076.         at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:630) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3077.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:695) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3078.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:722) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3079.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:772) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3080.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.queryForObject(NamedParameterJdbcTemplate.java:211) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3081.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.queryForObject(NamedParameterJdbcTemplate.java:226) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3082.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.queryForInt(NamedParameterJdbcTemplate.java:262) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3083.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService.getAssignmentCountByClassList(AssignmentDataService.java:457) ~[AssignmentDataService.class:?]
3084.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService$$FastClassBySpringCGLIB$$3e2a2004.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
3085.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3086.         at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:717) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3087.         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3088.         at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3089.         at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:281) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3090.         at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3091.         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3092.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:653) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3093.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService$$EnhancerBySpringCGLIB$$d02d91e1.getAssignmentCountByClassList(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
3094.         at com.pearson.ltg.assignments.service.AssignmentService.getAssignmentCountByClassList(AssignmentService.java:929) ~[AssignmentService.class:?]
3095.         at com.pearson.ltg.assignments.service.AssignmentService$$FastClassBySpringCGLIB$$1d5f64e9.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
3096.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3097.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:649) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3098.         at com.pearson.ltg.assignments.service.AssignmentService$$EnhancerBySpringCGLIB$$339ea726.getAssignmentCountByClassList(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
3099.         at com.pearson.ltg.assignments.controller.AssignmentController.getAssignmentCountByClasses(AssignmentController.java:437) ~[AssignmentController.class:?]
3100.         at sun.reflect.GeneratedMethodAccessor343.invoke(Unknown Source) ~[?:?]
3101.         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_65]
3102.         at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_65]
3103.         at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3104.         at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3105.         at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3106.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:776) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3107.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:705) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3108.         at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3109.         at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3110.         at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3111.         at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:967) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3112.         at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:869) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3113.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:644) [servlet-api.jar:?]
3114.         at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:843) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3115.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) [servlet-api.jar:?]
3116.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) [catalina.jar:8.0.17]
3117.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
3118.         at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat-websocket.jar:8.0.17]
3119.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
3120.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
3121.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3122.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3123.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3124.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3125.         at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3126.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3127.         at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3128.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3129.         at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3130.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3131.         at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:154) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3132.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3133.         at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3134.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3135.         at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3136.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3137.         at org.springframework.security.oauth2.provider.authentication.OAuth2AuthenticationProcessingFilter.doFilter(OAuth2AuthenticationProcessingFilter.java:176) [spring-security-oauth2-2.0.8.RELEASE.jar:?]
3138.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3139.         at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:110) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3140.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3141.         at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:57) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3142.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3143.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3144.         at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3145.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3146.         at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:50) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3147.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3148.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3149.         at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3150.         at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3151.         at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3152.         at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3153.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
3154.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
3155.         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) [catalina.jar:8.0.17]
3156.         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) [catalina.jar:8.0.17]
3157.         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142) [catalina.jar:8.0.17]
3158.         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) [catalina.jar:8.0.17]
3159.         at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610) [catalina.jar:8.0.17]
3160.         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) [catalina.jar:8.0.17]
3161.         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:516) [catalina.jar:8.0.17]
3162.         at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1086) [tomcat-coyote.jar:8.0.17]
3163.         at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:659) [tomcat-coyote.jar:8.0.17]
3164.         at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:223) [tomcat-coyote.jar:8.0.17]
3165.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1558) [tomcat-coyote.jar:8.0.17]
3166.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1515) [tomcat-coyote.jar:8.0.17]
3167.         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_65]
3168.         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_65]
3169.         at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-util.jar:8.0.17]
3170.         at java.lang.Thread.run(Thread.java:745) [?:1.8.0_65]
3171. Caused by: java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
3172.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:126) ~[tomcat-dbcp.jar:8.0.17]
3173.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
3174.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3175.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3176.         ... 95 more
3177. Caused by: java.util.NoSuchElementException: Timeout waiting for idle object
3178.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:446) ~[tomcat-dbcp.jar:8.0.17]
3179.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:360) ~[tomcat-dbcp.jar:8.0.17]
3180.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:118) ~[tomcat-dbcp.jar:8.0.17]
3181.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
3182.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3183.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3184.         ... 95 more
3185. ERROR [http-nio-10.0.1.210-9190-exec-124] controller.AbstractAjaxController.[[]] Dec/06 15:53:24 - Unhandled exception
3186. org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
3187.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:80) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3188.         at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:630) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3189.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:695) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3190.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:722) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3191.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:772) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3192.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.queryForObject(NamedParameterJdbcTemplate.java:211) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3193.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.queryForObject(NamedParameterJdbcTemplate.java:226) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3194.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.queryForInt(NamedParameterJdbcTemplate.java:262) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3195.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService.getNewScoresCount(AssignmentDataService.java:362) ~[AssignmentDataService.class:?]
3196.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService$$FastClassBySpringCGLIB$$3e2a2004.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
3197.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3198.         at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:717) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3199.         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3200.         at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3201.         at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:281) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3202.         at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3203.         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3204.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:653) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3205.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService$$EnhancerBySpringCGLIB$$d02d91e1.getNewScoresCount(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
3206.         at com.pearson.ltg.assignments.service.AssignmentService.updateClassesReportingDataForTeacherClassesActivity(AssignmentService.java:870) ~[AssignmentService.class:?]
3207.         at com.pearson.ltg.assignments.service.AssignmentService.getClassesActivityData(AssignmentService.java:798) ~[AssignmentService.class:?]
3208.         at com.pearson.ltg.assignments.service.AssignmentService$$FastClassBySpringCGLIB$$1d5f64e9.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
3209.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3210.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:649) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3211.         at com.pearson.ltg.assignments.service.AssignmentService$$EnhancerBySpringCGLIB$$339ea726.getClassesActivityData(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
3212.         at com.pearson.ltg.assignments.controller.AssignmentController.getClassesReportingData(AssignmentController.java:367) ~[AssignmentController.class:?]
3213.         at sun.reflect.GeneratedMethodAccessor177.invoke(Unknown Source) ~[?:?]
3214.         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_65]
3215.         at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_65]
3216.         at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3217.         at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3218.         at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3219.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:776) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3220.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:705) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3221.         at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3222.         at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3223.         at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3224.         at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:967) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3225.         at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:869) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3226.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:644) [servlet-api.jar:?]
3227.         at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:843) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3228.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) [servlet-api.jar:?]
3229.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) [catalina.jar:8.0.17]
3230.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
3231.         at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat-websocket.jar:8.0.17]
3232.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
3233.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
3234.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3235.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3236.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3237.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3238.         at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3239.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3240.         at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3241.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3242.         at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3243.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3244.         at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:154) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3245.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3246.         at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3247.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3248.         at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3249.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3250.         at org.springframework.security.oauth2.provider.authentication.OAuth2AuthenticationProcessingFilter.doFilter(OAuth2AuthenticationProcessingFilter.java:176) [spring-security-oauth2-2.0.8.RELEASE.jar:?]
3251.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3252.         at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:110) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3253.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3254.         at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:57) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3255.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3256.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3257.         at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3258.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3259.         at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:50) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3260.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3261.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3262.         at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3263.         at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3264.         at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3265.         at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3266.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
3267.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
3268.         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) [catalina.jar:8.0.17]
3269.         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) [catalina.jar:8.0.17]
3270.         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142) [catalina.jar:8.0.17]
3271.         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) [catalina.jar:8.0.17]
3272.         at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610) [catalina.jar:8.0.17]
3273.         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) [catalina.jar:8.0.17]
3274.         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:516) [catalina.jar:8.0.17]
3275.         at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1086) [tomcat-coyote.jar:8.0.17]
3276.         at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:659) [tomcat-coyote.jar:8.0.17]
3277.         at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:223) [tomcat-coyote.jar:8.0.17]
3278.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1558) [tomcat-coyote.jar:8.0.17]
3279.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1515) [tomcat-coyote.jar:8.0.17]
3280.         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_65]
3281.         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_65]
3282.         at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-util.jar:8.0.17]
3283.         at java.lang.Thread.run(Thread.java:745) [?:1.8.0_65]
3284. Caused by: java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
3285.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:126) ~[tomcat-dbcp.jar:8.0.17]
3286.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
3287.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3288.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3289.         ... 96 more
3290. Caused by: java.util.NoSuchElementException: Timeout waiting for idle object
3291.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:446) ~[tomcat-dbcp.jar:8.0.17]
3292.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:360) ~[tomcat-dbcp.jar:8.0.17]
3293.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:118) ~[tomcat-dbcp.jar:8.0.17]
3294.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
3295.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3296.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3297.         ... 96 more
3298. ERROR [http-nio-10.0.1.210-9190-exec-141] controller.AbstractAjaxController.[[]] Dec/06 15:53:26 - Unhandled exception
3299. org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
3300.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:80) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3301.         at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:630) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3302.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:695) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3303.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:722) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3304.         at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:772) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3305.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.queryForObject(NamedParameterJdbcTemplate.java:211) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3306.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.queryForObject(NamedParameterJdbcTemplate.java:226) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3307.         at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.queryForInt(NamedParameterJdbcTemplate.java:262) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3308.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService.getNewScoresCount(AssignmentDataService.java:362) ~[AssignmentDataService.class:?]
3309.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService$$FastClassBySpringCGLIB$$3e2a2004.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
3310.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3311.         at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:717) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3312.         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3313.         at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3314.         at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:281) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3315.         at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96) ~[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3316.         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3317.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:653) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3318.         at com.pearson.ltg.assignments.dataaccess.AssignmentDataService$$EnhancerBySpringCGLIB$$d02d91e1.getNewScoresCount(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
3319.         at com.pearson.ltg.assignments.service.AssignmentService.updateClassesReportingDataForTeacherClassesActivity(AssignmentService.java:870) ~[AssignmentService.class:?]
3320.         at com.pearson.ltg.assignments.service.AssignmentService.getClassesActivityData(AssignmentService.java:798) ~[AssignmentService.class:?]
3321.         at com.pearson.ltg.assignments.service.AssignmentService$$FastClassBySpringCGLIB$$1d5f64e9.invoke(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
3322.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3323.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:649) ~[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3324.         at com.pearson.ltg.assignments.service.AssignmentService$$EnhancerBySpringCGLIB$$339ea726.getClassesActivityData(<generated>) ~[spring-core-4.1.7.RELEASE.jar:?]
3325.         at com.pearson.ltg.assignments.controller.AssignmentController.getClassesReportingData(AssignmentController.java:367) ~[AssignmentController.class:?]
3326.         at sun.reflect.GeneratedMethodAccessor177.invoke(Unknown Source) ~[?:?]
3327.         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_65]
3328.         at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_65]
3329.         at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3330.         at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137) ~[spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3331.         at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3332.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:776) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3333.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:705) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3334.         at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3335.         at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3336.         at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3337.         at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:967) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3338.         at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:869) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3339.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:644) [servlet-api.jar:?]
3340.         at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:843) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3341.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) [servlet-api.jar:?]
3342.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) [catalina.jar:8.0.17]
3343.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
3344.         at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat-websocket.jar:8.0.17]
3345.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
3346.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
3347.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3348.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3349.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3350.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3351.         at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3352.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3353.         at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3354.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3355.         at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3356.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3357.         at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:154) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3358.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3359.         at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3360.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3361.         at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3362.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3363.         at org.springframework.security.oauth2.provider.authentication.OAuth2AuthenticationProcessingFilter.doFilter(OAuth2AuthenticationProcessingFilter.java:176) [spring-security-oauth2-2.0.8.RELEASE.jar:?]
3364.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3365.         at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:110) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3366.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3367.         at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:57) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3368.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3369.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3370.         at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3371.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3372.         at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:50) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3373.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3374.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3375.         at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3376.         at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
3377.         at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3378.         at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3379.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
3380.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
3381.         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) [catalina.jar:8.0.17]
3382.         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) [catalina.jar:8.0.17]
3383.         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142) [catalina.jar:8.0.17]
3384.         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) [catalina.jar:8.0.17]
3385.         at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610) [catalina.jar:8.0.17]
3386.         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) [catalina.jar:8.0.17]
3387.         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:516) [catalina.jar:8.0.17]
3388.         at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1086) [tomcat-coyote.jar:8.0.17]
3389.         at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:659) [tomcat-coyote.jar:8.0.17]
3390.         at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:223) [tomcat-coyote.jar:8.0.17]
3391.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1558) [tomcat-coyote.jar:8.0.17]
3392.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1515) [tomcat-coyote.jar:8.0.17]
3393.         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_65]
3394.         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_65]
3395.         at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-util.jar:8.0.17]
3396.         at java.lang.Thread.run(Thread.java:745) [?:1.8.0_65]
3397. Caused by: java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
3398.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:126) ~[tomcat-dbcp.jar:8.0.17]
3399.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
3400.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3401.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3402.         ... 96 more
3403. Caused by: java.util.NoSuchElementException: Timeout waiting for idle object
3404.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:446) ~[tomcat-dbcp.jar:8.0.17]
3405.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:360) ~[tomcat-dbcp.jar:8.0.17]
3406.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:118) ~[tomcat-dbcp.jar:8.0.17]
3407.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
3408.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3409.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3410.         ... 96 more
3411. ^C
3412. [ec2-user@ip-10-0-1-210 logs]$ vim assignment_service.log
3413. [ec2-user@ip-10-0-1-210 logs]$ vim assignment_service.log
3414.  
3415. Caused by: java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
3416.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:126) ~[tomcat-dbcp.jar:8.0.17]
3417.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
3418.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3419.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3420.         ... 87 more
3421. Caused by: java.util.NoSuchElementException: Timeout waiting for idle object
3422.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:446) ~[tomcat-dbcp.jar:8.0.17]
3423.         at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:360) ~[tomcat-dbcp.jar:8.0.17]
3424.         at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:118) ~[tomcat-dbcp.jar:8.0.17]
3425.         at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1412) ~[tomcat-dbcp.jar:8.0.17]
3426.         at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3427.         at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
3428.         ... 87 more
3429. ERROR [http-nio-10.0.1.210-9190-exec-12] controller.AbstractAjaxController.[[]] Dec/06 15:39:47 - Unhandled exception
3430. org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object