1. org.springframework.beans.InvalidPropertyException.Invalid property 'itemUuids[256]' of bean class [com.pearson.ltg.assignments.entity.sas.StudentAssignmentsInfoRequest]: Invalid list index in property path 'itemUuids[256]'; nested exception is java.lang.IndexOutOfBoundsException: Index: 256, Size: 256
2.       at org.springframework.beans.BeanWrapperImpl.setPropertyValue(BeanWrapperImpl.java:1029)
3.       at org.springframework.beans.BeanWrapperImpl.setPropertyValue(BeanWrapperImpl.java:927)
4.       at org.springframework.beans.AbstractPropertyAccessor.setPropertyValues(AbstractPropertyAccessor.java:95)
5.       at org.springframework.validation.DataBinder.applyPropertyValues(DataBinder.java:750)
6.       at org.springframework.validation.DataBinder.doBind(DataBinder.java:646)
7.       at org.springframework.web.bind.WebDataBinder.doBind(WebDataBinder.java:189)
8.       at org.springframework.web.bind.ServletRequestDataBinder.bind(ServletRequestDataBinder.java:106)
9.       at org.springframework.web.servlet.mvc.method.annotation.ServletModelAttributeMethodProcessor.bindRequestParameters(ServletModelAttributeMethodProcessor.java:150)
10.       at org.springframework.web.method.annotation.ModelAttributeMethodProcessor.resolveArgument(ModelAttributeMethodProcessor.java:110)
11.       at org.springframework.web.method.support.HandlerMethodArgumentResolverComposite.resolveArgument(HandlerMethodArgumentResolverComposite.java:77)
12.       at org.springframework.web.method.support.InvocableHandlerMethod.getMethodArgumentValues(InvocableHandlerMethod.java:162)
13.       at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:129)
14.       at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110)
15.       at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:776)
16.       at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:705)
17.       at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)
18.       at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959)
19.       at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893)
20.       at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:967)
21.       at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:869)
22.       at javax.servlet.http.HttpServlet.service(HttpServlet.java:644)
23.       at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:843)
24.       at javax.servlet.http.HttpServlet.service(HttpServlet.java:725)
25.       at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291)
26.       at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
27.       at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
28.       at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
29.       at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
30.       at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
31.       at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118)
32.       at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84)
33.       at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
34.       at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113)
35.       at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
36.       at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103)
37.       at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
38.       at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113)
39.       at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
40.       at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:154)
41.       at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
42.       at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45)
43.       at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
44.       at org.springframework.security.oauth2.provider.authentication.OAuth2AuthenticationProcessingFilter.doFilter(OAuth2AuthenticationProcessingFilter.java:176)
45.       at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
46.       at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:110)
47.       at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
48.       at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:57)
49.       at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
50.       at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
51.       at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87)
52.       at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
53.       at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:50)
54.       at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
55.       at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
56.       at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192)
57.       at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160)
58.       at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344)
59.       at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261)
60.       at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
61.       at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
62.       at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219)
63.       at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
64.       at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142)
65.       at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
66.       at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610)
67.       at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
68.       at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:516)
69.       at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1086)
70.       at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:659)
71.       at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:223)
72.       at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1558)
73.       at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1515)
74.       at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
75.       at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
76.       at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
77.       at java.lang.Thread.run(Thread.java:745)
78. Caused by: org.springframework.beans.InvalidPropertyException : java.lang.IndexOutOfBoundsException: Index: 256, Size: 256
79.       at java.util.ArrayList.rangeCheck(ArrayList.java:653)
80.       at java.util.ArrayList.set(ArrayList.java:444)
81.       at org.springframework.beans.BeanWrapperImpl.setPropertyValue(BeanWrapperImpl.java:1026)