[Building Sakai] Samigo: Failed Import of Test Questions Throws Exception in Question Pool
Karen Tsao
ktsao at stanford.edu
Tue May 25 09:16:55 PDT 2010
Hi Stoufer,
I am not sure if the WebCT XML file can be imported to Test/Quizzes question
pool. But if you send me the XML, I can take a look.
Thanks,
Karen
On Tue, May 25, 2010 at 6:04 AM, Stoufer,R M <kc4uf at ufl.edu> wrote:
> We have an instructor who attempted to upload a file created in WebCT to
> a Test/Quizzes question pool and it failed. Now an exception is thrown
> everytime he tries to do something with the question pool.
>
>
>
> I saw a virtually identical situation in the January 2010 archives which
> recommended looking at the sam_questionpool_t table. I didn’t find how the
> issue was resolved though. Could anyone shed some light on the how to fix
> this problem?
>
>
>
> The trace follows:
>
>
>
> org.sakaiproject.portal.api.PortalHandlerException:
> org.sakaiproject.tool.api.ToolException
>
> at
> org.sakaiproject.portal.charon.handlers.ToolHandler.doPost(ToolHandler.java:70)
>
> caused by: org.sakaiproject.tool.api.ToolException
>
> at
> org.sakaiproject.portal.charon.SkinnableCharonPortal.forwardTool(SkinnableCharonPortal.java:1216)
>
> caused by: javax.servlet.ServletException
>
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
>
> caused by: java.lang.NullPointerException
>
> at
> org.sakaiproject.tool.assessment.ui.bean.questionpool.QuestionPoolBean$titleComparator.compare(QuestionPoolBean.java:227)
>
> at java.util.Arrays.mergeSort(Arrays.java:1284)
>
> at java.util.Arrays.sort(Arrays.java:1223)
>
> at java.util.Collections.sort(Collections.java:159)
>
> at
> org.sakaiproject.tool.assessment.ui.bean.questionpool.QuestionPoolBean.sortQpoolsByProperty(QuestionPoolBean.java:241)
>
> at
> org.sakaiproject.tool.assessment.ui.bean.questionpool.QuestionPoolBean.sortPoolByLevel(QuestionPoolBean.java:1975)
>
> at
> org.sakaiproject.tool.assessment.ui.bean.questionpool.QuestionPoolBean.setQpDataModelByLevel(QuestionPoolBean.java:2071)
>
> at
> org.sakaiproject.tool.assessment.ui.listener.questionpool.QuestionPoolListener.processAction(QuestionPoolListener.java:50)
>
> at javax.faces.event.ActionEvent.processListener(ActionEvent.java:57)
>
> at
> javax.faces.component.UIComponentBase.broadcast(UIComponentBase.java:649)
>
> at javax.faces.component.UICommand.broadcast(UICommand.java:297)
>
> at
> javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:267)
>
> at javax.faces.component.UIViewRoot.processDecodes(UIViewRoot.java:307)
>
> at
> com.sun.faces.lifecycle.ApplyRequestValuesPhase.execute(ApplyRequestValuesPhase.java:79)
>
> 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 org.sakaiproject.util.RequestFilter.doFilter(RequestFilter.java:565)
>
> 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:679)
>
> at
> org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:461)
>
> at
> org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:399)
>
> at
> org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301)
>
> at
> org.sakaiproject.jsf.util.SamigoJsfTool.dispatch(SamigoJsfTool.java:285)
>
> 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:679)
>
> at
> org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:461)
>
> at
> org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:364)
>
> at
> org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301)
>
> at
> org.sakaiproject.tool.impl.ActiveToolComponent$MyActiveTool.forward(ActiveToolComponent.java:479)
>
> at
> org.sakaiproject.portal.charon.SkinnableCharonPortal.forwardTool(SkinnableCharonPortal.java:1216)
>
> at
> org.sakaiproject.portal.charon.handlers.ToolHandler.doTool(ToolHandler.java:188)
>
> at
> org.sakaiproject.portal.charon.handlers.ToolHandler.doGet(ToolHandler.java:93)
>
> at
> org.sakaiproject.portal.charon.handlers.ToolHandler.doPost(ToolHandler.java:70)
>
> at
> org.sakaiproject.portal.charon.SkinnableCharonPortal.doPost(SkinnableCharonPortal.java:1059)
>
> 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:616)
>
> 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.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:200)
>
> at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:291)
>
> at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:775)
>
> at
> org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:704)
>
> at
> org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:897)
>
> at
> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689)
>
> at java.lang.Thread.run(Thread.java:595)
>
>
>
>
>
> user: dd70a870-84ff-43a2-a996-afd601f1617c
>
>
>
> usage-session: 048ca573-79ba-495d-ab48-b89bf0e5bbeb
>
>
>
> time: May 25, 2010 09:02:32
>
>
>
>
>
> *******************************
>
>
>
> R. Michael Stoufer
>
> Computer Programmer/Analyst Manager
>
> Office of Academic Technology
>
> University of Florida
>
> 352-846-0583
>
>
>
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>
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