[Building Sakai] Semigo team! during descriptive type test some student's exam is stucked/hanged

[Jehan Badshah]

Dear

We are using Sakai 2.8.2
Oracle 9i Database


During descriptive type test some student's exam stucked/hanged, Following
are tomcat log,
 same error repeated multiple time,and in two hours tomcat error log size
exceeded 200MB, please analyse it and let me know



java.lang.IllegalArgumentException
 at java.util.Date.parse(Date.java:598)
at java.util.Date.<init>(Date.java:255)
 at
org.sakaiproject.tool.assessment.ui.bean.delivery.SectionContentsBean.setMetaData(SectionContentsBean.java:425)
at
org.sakaiproject.tool.assessment.ui.bean.delivery.SectionContentsBean.<init>(SectionContentsBean.java:376)
 at
org.sakaiproject.tool.assessment.ui.listener.delivery.DeliveryActionListener.getPartBean(DeliveryActionListener.java:811)
at
org.sakaiproject.tool.assessment.ui.listener.delivery.DeliveryActionListener.getContents(DeliveryActionListener.java:492)
 at
org.sakaiproject.tool.assessment.ui.listener.delivery.DeliveryActionListener.processAction(DeliveryActionListener.java:374)
at
org.sakaiproject.tool.assessment.ui.bean.delivery.DeliveryBean.next_page(DeliveryBean.java:1543)
 at sun.reflect.GeneratedMethodAccessor9528.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
 at java.lang.reflect.Method.invoke(Method.java:597)
at com.sun.faces.el.MethodBindingImpl.invoke(MethodBindingImpl.java:126)
 at
com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:72)
at javax.faces.component.UICommand.broadcast(UICommand.java:312)
 at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:267)
at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:381)
 at
com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:75)
at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:200)
 at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:90)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:197)
 at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
 at com.corejsf.UploadFilter.doFilter(UploadFilter.java:139)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
 at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at org.sakaiproject.util.RequestFilter.doFilter(RequestFilter.java:598)
 at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
 at
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:659)
at
org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:457)
 at
org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:395)
at
org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:311)
 at org.sakaiproject.jsf.util.SamigoJsfTool.dispatch(SamigoJsfTool.java:301)
at org.sakaiproject.jsf.util.JsfTool.doPost(JsfTool.java:256)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:647)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
 at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
 at
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:659)
at
org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:457)
 at
org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:359)
at
org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:311)
 at
org.sakaiproject.tool.impl.ActiveToolComponent$MyActiveTool.forward(ActiveToolComponent.java:511)
at
org.sakaiproject.portal.charon.SkinnableCharonPortal.forwardTool(SkinnableCharonPortal.java:1429)
 at
org.sakaiproject.portal.charon.handlers.ToolHandler.doTool(ToolHandler.java:204)
at
org.sakaiproject.portal.charon.handlers.ToolHandler.doGet(ToolHandler.java:96)
 at
org.sakaiproject.portal.charon.handlers.ToolHandler.doPost(ToolHandler.java:73)
at
org.sakaiproject.portal.charon.SkinnableCharonPortal.doPost(SkinnableCharonPortal.java:1224)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:647)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
 at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
 at org.sakaiproject.util.RequestFilter.doFilter(RequestFilter.java:659)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
 at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
 at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:172)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
 at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
 at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174)
at org.apache.coyote.ajp.AjpAprProcessor.process(AjpAprProcessor.java:444)
 at
org.apache.coyote.ajp.AjpAprProtocol$AjpConnectionHandler.process(AjpAprProtocol.java:472)
at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1293)
 at java.lang.Thread.run(Thread.java:619)
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