Description
If a user closes out of a Course with Student Preview enabled an error is experienced on returning to the Course
Symptoms
An error as follows will be observed in the logs:
ERROR] Error Id: 781e5b1723c549a2bbd6e979a2d107f4 - java.lang.IllegalArgumentException: UserId of CourseMembership does not match the context at com.google.common.base.Preconditions.checkArgument(Preconditions.java:135) at blackboard.platform.context.impl.ContextImpl.setCourseMembership(ContextImpl.java:918) at blackboard.webapps.blackboard.spring.rest.UserMembershipsRestService.insertMembershipEmbeddedObjects(UserMembershipsRestService.java:357) at blackboard.webapps.blackboard.spring.rest.UserMembershipsRestService.getMemberships(UserMembershipsRestService.java:177) at sun.reflect.GeneratedMethodAccessor2565.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221) at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:136) at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110) at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:817) at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:731) at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959) at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893) at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:968) at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:859) at javax.servlet.http.HttpServlet.service(HttpServlet.java:635) at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:844) at javax.servlet.http.HttpServlet.service(HttpServlet.java:742) at sun.reflect.GeneratedMethodAccessor471.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:282) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:279) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAsPrivileged(Subject.java:549) at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:314) at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:170) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:224) at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:46) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:148) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:144) at java.security.AccessController.doPrivileged(Native Method) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:143) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:728) at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:467) at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:392) at org.apache.catalina.core.ApplicationDispatcher.access$000(ApplicationDispatcher.java:63) at org.apache.catalina.core.ApplicationDispatcher$PrivilegedForward.run(ApplicationDispatcher.java:95) at org.apache.catalina.core.ApplicationDispatcher$PrivilegedForward.run(ApplicationDispatcher.java:83) at java.security.AccessController.doPrivileged(Native Method) at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:303) at blackboard.plugin.rest.web.ApiController.dispatchRequest(ApiController.java:777) at blackboard.plugin.rest.web.ApiController.service(ApiController.java:550) at javax.servlet.http.HttpServlet.service(HttpServlet.java:742) at sun.reflect.GeneratedMethodAccessor471.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:282) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:279) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAsPrivileged(Subject.java:549) at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:314) at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:170) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:224) at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:46) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:148) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:144) at java.security.AccessController.doPrivileged(Native Method) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:143) at blackboard.platform.servlet.DevNonceFilter.doFilter(DevNonceFilter.java:68) at sun.reflect.GeneratedMethodAccessor435.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:282) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:279) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAsPrivileged(Subject.java:549) at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:314) at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:253) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:190) at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:46) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:148) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:144) at java.security.AccessController.doPrivileged(Native Method) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:143) at blackboard.platform.servlet.B2ContextFilter.doFilter(B2ContextFilter.java:81) at sun.reflect.GeneratedMethodAccessor435.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:282) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:279) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAsPrivileged(Subject.java:549) at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:314) at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:253) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:190) at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:46) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:148) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:144) at java.security.AccessController.doPrivileged(Native Method) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:143) at blackboard.platform.servlet.ContentTypeFilter.doFilter(ContentTypeFilter.java:53) at sun.reflect.GeneratedMethodAccessor435.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:282) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:279) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAsPrivileged(Subject.java:549) at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:314) at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:253) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:190) at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:46) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:148) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:144) at java.security.AccessController.doPrivileged(Native Method) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:143) at blackboard.platform.servlet.XssServletFilter.doFilter(XssServletFilter.java:48) at sun.reflect.GeneratedMethodAccessor435.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:282) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:279) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAsPrivileged(Subject.java:549) at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:314) at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:253) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:190) at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:46) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:148) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:144) at java.security.AccessController.doPrivileged(Native Method) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:143) at blackboard.platform.servlet.InvalidXmlServletFilter.doFilter(InvalidXmlServletFilter.java:59) at sun.reflect.GeneratedMethodAccessor435.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:282) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:279) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAsPrivileged(Subject.java:549) at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:314) at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:253) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:190) at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:46) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:148) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:144) at java.security.AccessController.doPrivileged(Native Method) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:143) at blackboard.platform.servlet.XssInputValidationFilter.doFilter(XssInputValidationFilter.java:40) at sun.reflect.GeneratedMethodAccessor435.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:282) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:279) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAsPrivileged(Subject.java:549) at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:314) at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:253) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:190) at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:46) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:148) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:144) at java.security.AccessController.doPrivileged(Native Method) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:143) at blackboard.platform.servlet.DirectRequestValidationFilter.doFilter(DirectRequestValidationFilter.java:53) at sun.reflect.GeneratedMethodAccessor435.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:282) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:279) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAsPrivileged(Subject.java:549) at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:314) at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:253) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:190) at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:46) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:148) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:144) at java.security.AccessController.doPrivileged(Native Method) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:143) at blackboard.platform.servlet.ContentIsolationFilter.doFilter(ContentIsolationFilter.java:92) at sun.reflect.GeneratedMethodAccessor435.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:282) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:279) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAsPrivileged(Subject.java:549) at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:314) at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:253) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:190) at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:46) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:148) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:144) at java.security.AccessController.doPrivileged(Native Method) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:143) at blackboard.platform.servlet.RequestSessionFilter.doFilter(RequestSessionFilter.java:200) at sun.reflect.GeneratedMethodAccessor435.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:282) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:279) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAsPrivileged(Subject.java:549) at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:314) at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:253) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:190) at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:46) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:148) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:144) at java.security.AccessController.doPrivileged(Native Method) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:143) at blackboard.platform.servlet.CloudSessionFilter.doFilter(CloudSessionFilter.java:103) at sun.reflect.GeneratedMethodAccessor435.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:282) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:279) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAsPrivileged(Subject.java:549) at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:314) at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:253) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:190) at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:46) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:148) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:144) at java.security.AccessController.doPrivileged(Native Method) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:143) at blackboard.platform.servlet.RequestSecurityFilter.doFilter(RequestSecurityFilter.java:77) at sun.reflect.GeneratedMethodAccessor435.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:282) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:279) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAsPrivileged(Subject.java:549) at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:314) at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:253) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:190) at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:46) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:148) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:144) at java.security.AccessController.doPrivileged(Native Method) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:143) at blackboard.platform.servlet.RequestClassParamFilter.doFilter(RequestClassParamFilter.java:42) at sun.reflect.GeneratedMethodAccessor435.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:282) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:279) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAsPrivileged(Subject.java:549) at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:314) at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:253) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:190) at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:46) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:148) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:144) at java.security.AccessController.doPrivileged(Native Method) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:143) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:80) at org.apache.catalina.valves.rewrite.RewriteValve.invoke(RewriteValve.java:580) at org.apache.catalina.valves.StuckThreadDetectionValve.invoke(StuckThreadDetectionValve.java:206) at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:624) at org.apache.catalina.valves.RemoteIpValve.invoke(RemoteIpValve.java:677) at blackboard.tomcat.valves.LoggingRemoteIpValve.invoke(LoggingRemoteIpValve.java:44) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:341) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:799) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:861) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1455) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:748)
Steps to Replicate
Login as a user with Student Preview privileges
Navigate into a Course > select to Quick Enroll if not already enrolled in the Course
Enter the Student Preview
Do not exit from Student Preview but close the use using the X (close) icon
Navigate to another tab and attempt to go back to the Course
Expected Results: The Course opens without error
Observed Results: The 'Oops! Something went wrong' error is displayed
Resolution / Workaround
Navigate to the Administrator Panel > select Courses > locate the affected course in order to exit the Student Preview
Target Release
Will Not Fix