[Contrib: Evaluation System] Nullpointer when creating adHoc groups
Daniel Merino
daniel.merino at unavarra.es
Tue Aug 23 02:07:56 PDT 2011
Hi everyone.
We are testing the Evaluation System 1.3 over Sakai 2.7.1 and, when
trying to create an adHoc group, the next exception is thrown:
2011-08-23 10:38:42,361 WARN (RenderHandlerBracketer.java:107) -
<Exception rendering view: >
java.lang.NullPointerException
at
org.sakaiproject.evaluation.tool.producers.ModifyAdhocGroupProducer.fillComponents(ModifyAdhocGroupProducer.java:96)
at
uk.org.ponder.rsf.view.support.ViewCollector.fillComponents(ViewCollector.java:56)
at
uk.org.ponder.rsf.view.support.LayoutCollector.fillComponents(LayoutCollector.java:68)
at sun.reflect.GeneratedMethodAccessor1065.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at
org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:307)
at
org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:198)
at $Proxy146.fillComponents(Unknown Source)
at
uk.org.ponder.rsf.view.support.ViewGenerator.generateView(ViewGenerator.java:53)
at
uk.org.ponder.rsf.processor.support.RSFRenderHandler$1.run(RSFRenderHandler.java:79)
at
uk.org.ponder.rsf.processor.support.RequestInvoker$1.run(RequestInvoker.java:46)
at
uk.org.ponder.util.CollectingRunnableInvoker$1.run(CollectingRunnableInvoker.java:25)
at
uk.org.ponder.rsf.flow.support.BasicScopedAlterationWrapper.invokeRunnable(BasicScopedAlterationWrapper.java:59)
at
uk.org.ponder.rsf.flow.support.BasicScopedAlterationWrapper$$FastClassByCGLIB$$84f89202.invoke(<generated>)
at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149)
at
org.springframework.aop.framework.Cglib2AopProxy$DynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:628)
at
uk.org.ponder.rsf.flow.support.BasicScopedAlterationWrapper$$EnhancerByCGLIB$$715b903c.invokeRunnable(<generated>)
at
uk.org.ponder.rsf.flow.support.BasicScopedAlterationWrapper$$FastClassByCGLIB$$84f89202.invoke(<generated>)
at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149)
at
org.springframework.aop.framework.Cglib2AopProxy$DynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:628)
at
uk.org.ponder.rsf.flow.support.BasicScopedAlterationWrapper$$EnhancerByCGLIB$$715b903c.invokeRunnable(<generated>)
at
uk.org.ponder.util.CollectingRunnableInvoker$1.run(CollectingRunnableInvoker.java:29)
at
uk.org.ponder.util.CollectingRunnableInvoker.invokeWrappers(CollectingRunnableInvoker.java:22)
at
uk.org.ponder.util.CollectingRunnableInvoker.invokeRunnable(CollectingRunnableInvoker.java:14)
at
uk.org.ponder.rsf.processor.support.RequestInvoker.invokeRunnable(RequestInvoker.java:39)
at
uk.org.ponder.rsf.processor.support.RSFRenderHandler.handle(RSFRenderHandler.java:75)
at
uk.org.ponder.rsf.processor.support.RSFRenderHandler$$FastClassByCGLIB$$5bda3a3d.invoke(<generated>)
at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149)
at
org.springframework.aop.framework.Cglib2AopProxy$DynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:628)
at
uk.org.ponder.rsf.processor.support.RSFRenderHandler$$EnhancerByCGLIB$$5de8c3b7.handle(<generated>)
at
uk.org.ponder.rsf.processor.support.RenderHandlerBracketer.handle(RenderHandlerBracketer.java:82)
at
uk.org.ponder.rsf.processor.support.RenderHandlerBracketer$$FastClassByCGLIB$$3055fa0f.invoke(<generated>)
at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149)
at
org.springframework.aop.framework.Cglib2AopProxy$DynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:628)
at
uk.org.ponder.rsf.processor.support.RenderHandlerBracketer$$EnhancerByCGLIB$$2b7e4b09.handle(<generated>)
at
uk.org.ponder.rsf.processor.support.RootHandlerBeanBase.handleGet(RootHandlerBeanBase.java:97)
at
uk.org.ponder.rsf.processor.support.RootHandlerBeanBase.handle(RootHandlerBeanBase.java:79)
at
org.sakaiproject.evaluation.tool.utils.RootHandlerBeanOverride.handle(RootHandlerBeanOverride.java:29)
at sun.reflect.GeneratedMethodAccessor966.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at
uk.org.ponder.reflect.JDKReflectiveCache.invokeMethod(JDKReflectiveCache.java:23)
at
uk.org.ponder.reflect.JDKReflectiveCache.invokeMethod(JDKReflectiveCache.java:17)
at
uk.org.ponder.reflect.JDKReflectiveCache.invokeMethod(JDKReflectiveCache.java:77)
at
uk.org.ponder.rsac.support.RSACBeanLocatorImpl.createBean(RSACBeanLocatorImpl.java:553)
at
uk.org.ponder.rsac.support.RSACBeanLocatorImpl.access$000(RSACBeanLocatorImpl.java:75)
at
uk.org.ponder.rsac.support.RSACBeanLocatorImpl$1.run(RSACBeanLocatorImpl.java:449)
at
org.sakaiproject.genericdao.hibernate.HibernateGenericDao.invokeTransactionalAccess(HibernateGenericDao.java:580)
at sun.reflect.GeneratedMethodAccessor940.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at
org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:307)
at
org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:182)
at
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:149)
at
org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:106)
at
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
at
org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
at $Proxy14.invokeTransactionalAccess(Unknown Source)
at
org.sakaiproject.evaluation.dao.EvalDaoInvokerImpl.invokeTransactionalAccess(EvalDaoInvokerImpl.java:34)
at
org.sakaiproject.evaluation.tool.wrapper.ModelAccessWrapperInvoker.invokeRunnable(ModelAccessWrapperInvoker.java:44)
at
uk.org.ponder.rsac.support.RSACBeanLocatorImpl.createBean(RSACBeanLocatorImpl.java:447)
at
uk.org.ponder.rsac.support.RSACBeanLocatorImpl.access$000(RSACBeanLocatorImpl.java:75)
at
uk.org.ponder.rsac.support.RSACBeanLocatorImpl$1.run(RSACBeanLocatorImpl.java:449)
at
uk.org.ponder.rsac.RSACErrorBridge.invokeRunnable(RSACErrorBridge.java:38)
at
uk.org.ponder.rsac.support.RSACBeanLocatorImpl.createBean(RSACBeanLocatorImpl.java:447)
at
uk.org.ponder.rsac.support.RSACBeanLocatorImpl.getLocalBean(RSACBeanLocatorImpl.java:348)
at
uk.org.ponder.rsac.support.RSACBeanLocatorImpl.getBean(RSACBeanLocatorImpl.java:379)
at
uk.org.ponder.rsac.support.PerRequestInfo$1.locateBean(PerRequestInfo.java:49)
at
uk.ac.cam.caret.sakai.rsf.servlet.ReasonableSakaiServlet.service(ReasonableSakaiServlet.java:65)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at
org.sakaiproject.util.RequestFilter.doFilter(RequestFilter.java:597)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:659)
at
org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:457)
at
org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:359)
at
org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:311)
at
org.sakaiproject.tool.impl.ActiveToolComponent$MyActiveTool.forward(ActiveToolComponent.java:512)
at
org.sakaiproject.portal.charon.SkinnableCharonPortal.forwardTool(SkinnableCharonPortal.java:1282)
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.SkinnableCharonPortal.doGet(SkinnableCharonPortal.java:826)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:627)
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:658)
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.http11.Http11Processor.process(Http11Processor.java:879)
at
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
at
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
at
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689)
at java.lang.Thread.run(Thread.java:619)
2011-08-23 10:38:42,362 WARN (RenderHandlerBracketer.java:111) - <Got
target exception of class java.lang.NullPointerException>
2011-08-23 10:38:42,363 WARN (RenderHandlerBracketer.java:135) - <Error
creating view tree - token 1SsyadEjBOMf6bbAlea3NPDM>
Do you know if this issue is solved in any JIRA?
If you need more information to track the issue, please don't hesitate
to ask me.
Thanks and best regards.
--
Daniel Merino Echeverría
daniel.merino at unavarra.es
Gestor de teleformación - Centro Superior de Innovación Educativa.
Tfno: 948-168489 - Universidad Pública de Navarra.
--
Aquello que se considera ceguera del destino es en realidad miopía
propia. (Willian Faulkner)
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