1. [ERROR] [http-nio-0.0.0.0-9080-exec-59] util.RedisClusterBackedEhcache [[]] (RedisClusterBackedEhcache.java:233) - When caching c2839c96-3a5c-42a3-bce2-7414dbfa098d in redis:java.lang.IllegalStateException
2. com.lambdaworks.redis.RedisException: java.lang.IllegalStateException
3.         at com.lambdaworks.redis.LettuceFutures.await(LettuceFutures.java:109) ~[lettuce-4.2.1.Final.jar:?]
4.         at com.lambdaworks.redis.LettuceFutures.awaitOrCancel(LettuceFutures.java:77) ~[lettuce-4.2.1.Final.jar:?]
5.         at com.lambdaworks.redis.cluster.StatefulRedisClusterConnectionImpl$ClusterFutureSyncInvocationHandler.handleInvocation(StatefulRedisClusterConnectionImpl.java:343) ~[lettuce-4.2.1.Final.jar:?]
6.         at com.lambdaworks.redis.internal.AbstractInvocationHandler.invoke(AbstractInvocationHandler.java:54) ~[lettuce-4.2.1.Final.jar:?]
7.         at com.sun.proxy.$Proxy93.hmset(Unknown Source) ~[?:?]
8.         at com.pearson.ltg.ole.util.RedisClusterBackedEhcache.putInRediscache(RedisClusterBackedEhcache.java:227) [RedisClusterBackedEhcache.class:?]
9.         at com.pearson.ltg.ole.util.RedisClusterBackedEhcache.putInRediscache(RedisClusterBackedEhcache.java:216) [RedisClusterBackedEhcache.class:?]
10.         at com.pearson.ltg.ole.util.RedisClusterBackedEhcache.put(RedisClusterBackedEhcache.java:285) [RedisClusterBackedEhcache.class:?]
11.         at com.pearson.ltg.ole.dataaccess.SessionCacheService.putRumbaDetails(SessionCacheService.java:30) [SessionCacheService.class:?]
12.         at com.pearson.ltg.ole.dataaccess.OLEDataService.cacheSessionRumbaDetails(OLEDataService.java:1423) [OLEDataService.class:?]
13.         at com.pearson.ltg.ole.dataaccess.OLEDataService$$FastClassBySpringCGLIB$$cc49e81f.invoke(<generated>) [spring-core-4.1.7.RELEASE.jar:?]
14.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) [spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
15.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:649) [spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
16.         at com.pearson.ltg.ole.dataaccess.OLEDataService$$EnhancerBySpringCGLIB$$c7f74356.cacheSessionRumbaDetails(<generated>) [spring-core-4.1.7.RELEASE.jar:?]
17.         at sun.reflect.GeneratedMethodAccessor255.invoke(Unknown Source) ~[?:?]
18.         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_131]
19.         at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_131]
20.         at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:317) [spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
21.         at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:201) [spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
22.         at com.sun.proxy.$Proxy94.cacheSessionRumbaDetails(Unknown Source) [?:?]
23.         at com.pearson.ltg.ole.security.RumbaUserDetailsService.addApiServiceToken(RumbaUserDetailsService.java:1273) [RumbaUserDetailsService.class:?]
24.         at com.pearson.ltg.ole.heartbeat.service.HeartbeatService.addApiServiceTokenToUserDetails(HeartbeatService.java:72) [HeartbeatService.class:?]
25.         at com.pearson.ltg.ole.heartbeat.service.HeartbeatService.getToken(HeartbeatService.java:59) [HeartbeatService.class:?]
26.         at com.pearson.ltg.ole.heartbeat.service.HeartbeatService.getToken(HeartbeatService.java:50) [HeartbeatService.class:?]
27.         at com.pearson.ltg.ole.heartbeat.controller.HeartbeatController.getToken(HeartbeatController.java:46) [HeartbeatController.class:?]
28.         at com.pearson.ltg.ole.heartbeat.controller.HeartbeatController$$FastClassBySpringCGLIB$$6489cbc.invoke(<generated>) [spring-core-4.1.7.RELEASE.jar:?]
29.         at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) [spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE]
30.         at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:717) [spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
31.         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) [spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
32.         at org.springframework.security.access.intercept.aopalliance.MethodSecurityInterceptor.invoke(MethodSecurityInterceptor.java:64) [spring-security-core-3.2.7.RELEASE.jar:3.2.7.RELEASE]
33.         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) [spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
34.         at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:653) [spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]
35.         at com.pearson.ltg.ole.heartbeat.controller.HeartbeatController$$EnhancerBySpringCGLIB$$9ad02b39.getToken(<generated>) [spring-core-4.1.7.RELEASE.jar:?]
36.         at sun.reflect.GeneratedMethodAccessor614.invoke(Unknown Source) ~[?:?]
37.         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_131]
38.         at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_131]
39.         at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
40.         at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
41.         at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
42.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:776) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
43.         at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:705) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
44.         at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
45.         at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
46.         at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
47.         at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:967) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
48.         at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:858) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
49.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:618) [servlet-api.jar:?]
50.         at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:843) [spring-webmvc-4.1.7.RELEASE.jar:4.1.7.RELEASE]
51.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) [servlet-api.jar:?]
52.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) [catalina.jar:8.0.17]
53.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
54.         at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat-websocket.jar:8.0.17]
55.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
56.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
57.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
58.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
59.         at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
60.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
61.         at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
62.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
63.         at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
64.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
65.         at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
66.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
67.         at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:154) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
68.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
69.         at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
70.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
71.         at com.pearson.ltg.ole.security.SharedAssignmentBasicAuthenticationFilter.doFilter(SharedAssignmentBasicAuthenticationFilter.java:88) [SharedAssignmentBasicAuthenticationFilter.class:?]
72.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
73.         at com.pearson.ltg.ole.security.ProsperoAuthenticationFilter.doFilter(ProsperoAuthenticationFilter.java:104) [ProsperoAuthenticationFilter.class:?]
74.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
75.         at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:199) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
76.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
77.         at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:199) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
78.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
79.         at com.pearson.ltg.ole.security.CsrfFilter.doFilter(CsrfFilter.java:74) [CsrfFilter.class:?]
80.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
81.         at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:199) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
82.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
83.         at org.springframework.security.oauth.provider.filter.OAuthProviderProcessingFilter.doFilter(OAuthProviderProcessingFilter.java:202) [spring-security-oauth-1.0.2.RELEASE.jar:?]
84.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
85.         at org.springframework.security.web.authentication.preauth.AbstractPreAuthenticatedProcessingFilter.doFilter(AbstractPreAuthenticatedProcessingFilter.java:107) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
86.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
87.         at org.springframework.security.oauth.provider.filter.OAuthProviderProcessingFilter.doFilter(OAuthProviderProcessingFilter.java:210) [spring-security-oauth-1.0.2.RELEASE.jar:?]
88.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
89.         at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:110) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
90.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
91.         at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:50) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
92.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
93.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
94.         at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
95.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
96.         at org.springframework.security.web.access.channel.ChannelProcessingFilter.doFilter(ChannelProcessingFilter.java:144) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
97.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
98.         at org.jasig.cas.client.session.SingleSignOutFilter.doFilter(SingleSignOutFilter.java:76) [cas-client-core-3.3.1.jar:3.3.1]
99.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
100.         at com.pearson.ltg.ole.security.OLEServletContextFilter.doFilter(OLEServletContextFilter.java:51) [OLEServletContextFilter.class:?]
101.         at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
102.         at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
103.         at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [spring-security-web-3.2.7.RELEASE.jar:3.2.7.RELEASE]
104.         at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
105.         at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
106.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
107.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
108.         at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:85) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
109.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.1.7.RELEASE.jar:4.1.7.RELEASE]
110.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.17]
111.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.17]
112.         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) [catalina.jar:8.0.17]
113.         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) [catalina.jar:8.0.17]
114.         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142) [catalina.jar:8.0.17]
115.         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) [catalina.jar:8.0.17]
116.         at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610) [catalina.jar:8.0.17]
117.         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) [catalina.jar:8.0.17]
118.         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:516) [catalina.jar:8.0.17]
119.         at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1086) [tomcat-coyote.jar:8.0.17]
120.         at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:659) [tomcat-coyote.jar:8.0.17]
121.         at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:223) [tomcat-coyote.jar:8.0.17]
122.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1558) [tomcat-coyote.jar:8.0.17]
123.         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1515) [tomcat-coyote.jar:8.0.17]
124.         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_131]
125.         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_131]
126.         at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-util.jar:8.0.17]
127.         at java.lang.Thread.run(Thread.java:748) [?:1.8.0_131]
128. Caused by: java.lang.IllegalStateException
129.         at com.lambdaworks.redis.output.CommandOutput.set(CommandOutput.java:62) ~[lettuce-4.2.1.Final.jar:?]
130.         at com.lambdaworks.redis.protocol.RedisStateMachine.safeSet(RedisStateMachine.java:400) ~[lettuce-4.2.1.Final.jar:?]
131.         at com.lambdaworks.redis.protocol.RedisStateMachine.decode(RedisStateMachine.java:150) ~[lettuce-4.2.1.Final.jar:?]
132.         at com.lambdaworks.redis.protocol.CommandHandler.decode(CommandHandler.java:180) ~[lettuce-4.2.1.Final.jar:?]
133.         at com.lambdaworks.redis.protocol.CommandHandler.channelRead(CommandHandler.java:153) ~[lettuce-4.2.1.Final.jar:?]