[Building Sakai] Lessons Tool NullPointerException
Neal Caidin
neal.caidin at apereo.org
Thu Jan 9 05:08:14 PST 2014
Hi Jaco,
How can the issue be reproduced?
Thanks,
Neal
> Jaco Gillman <mailto:jaco at opencollab.co.za>
> January 9, 2014 at 7:53 AM
> Hi all
>
> We have installed a new Sakai 2.9.3 version and came across the
> NullPointerException exception below. Have someone else came across
> the same issue?
>
>
>
> stack trace:
>
>
> org.sakaiproject.portal.api.PortalHandlerException:
> org.sakaiproject.tool.api.ToolException:
> org.apache.jasper.JasperException: An exception occurred processing
> JSP page /jsp/dfReviseTopicSettingsAttach.jsp at line 89
>
> 86: </h:panelGrid>
> 87: <%-- //designNote: rendered attr below should resolve to false
> only if there is no prior short description
> 88: and if there is server
> property (TBD) saying not to use it - below just checking for
> pre-existing short description--%>
> 89: <h:panelGrid columns="1" columnClasses="longtext"
> rendered="#{ForumTool.showTopicShortDescription}">
> 90: <h:panelGroup>
> 91: <h:outputLabel id="outputLabel1" for="topic_shortDescription"
> value="#{msgs.cdfm_shortDescription}" />
> 92:
>
>
> Stacktrace:
> at
> org.sakaiproject.portal.charon.SkinnableCharonPortal.doGet(SkinnableCharonPortal.java:894)
> caused by: org.sakaiproject.tool.api.ToolException:
> org.apache.jasper.JasperException: An exception occurred processing
> JSP page /jsp/dfReviseTopicSettingsAttach.jsp at line 89
>
> 86: </h:panelGrid>
> 87: <%-- //designNote: rendered attr below should resolve to false
> only if there is no prior short description
> 88: and if there is server
> property (TBD) saying not to use it - below just checking for
> pre-existing short description--%>
> 89: <h:panelGrid columns="1" columnClasses="longtext"
> rendered="#{ForumTool.showTopicShortDescription}">
> 90: <h:panelGroup>
> 91: <h:outputLabel id="outputLabel1" for="topic_shortDescription"
> value="#{msgs.cdfm_shortDescription}" />
> 92:
>
>
> Stacktrace:
> at
> org.sakaiproject.portal.charon.SkinnableCharonPortal.forwardTool(SkinnableCharonPortal.java:1483)
> caused by: org.apache.jasper.JasperException: An exception occurred
> processing JSP page /jsp/dfReviseTopicSettingsAttach.jsp at line 89
>
> 86: </h:panelGrid>
> 87: <%-- //designNote: rendered attr below should resolve to false
> only if there is no prior short description
> 88: and if there is server
> property (TBD) saying not to use it - below just checking for
> pre-existing short description--%>
> 89: <h:panelGrid columns="1" columnClasses="longtext"
> rendered="#{ForumTool.showTopicShortDescription}">
> 90: <h:panelGroup>
> 91: <h:outputLabel id="outputLabel1" for="topic_shortDescription"
> value="#{msgs.cdfm_shortDescription}" />
> 92:
>
>
> Stacktrace:
> at
> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:455)
> caused by: javax.servlet.ServletException:
> javax.servlet.jsp.JspException: javax.faces.el.EvaluationException:
> javax.faces.el.EvaluationException: Error getting property
> 'showTopicShortDescription' from bean of type
> org.sakaiproject.tool.messageforums.DiscussionForumTool:
> java.lang.NullPointerException
> at
> org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:841)
> caused by: javax.faces.el.EvaluationException:
> javax.faces.el.EvaluationException: Error getting property
> 'showTopicShortDescription' from bean of type
> org.sakaiproject.tool.messageforums.DiscussionForumTool:
> java.lang.NullPointerException
> at
> com.sun.faces.el.ValueBindingImpl.getValue(ValueBindingImpl.java:143)
> caused by: javax.faces.el.EvaluationException: Error getting property
> 'showTopicShortDescription' from bean of type
> org.sakaiproject.tool.messageforums.DiscussionForumTool:
> java.lang.NullPointerException
> at com.sun.faces.el.impl.ArraySuffix.evaluate(ArraySuffix.java:187)
> caused by: java.lang.NullPointerException
> at
> org.sakaiproject.tool.messageforums.DiscussionForumTool.getShowTopicShortDescription(DiscussionForumTool.java:7789)
> at sun.reflect.GeneratedMethodAccessor2287.invoke(null:-1)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at
> com.sun.faces.el.PropertyResolverImpl.getValue(PropertyResolverImpl.java:99)
> at com.sun.faces.el.impl.ArraySuffix.evaluate(ArraySuffix.java:187)
> at com.sun.faces.el.impl.ComplexValue.evaluate(ComplexValue.java:171)
> at
> com.sun.faces.el.impl.ExpressionEvaluatorImpl.evaluate(ExpressionEvaluatorImpl.java:263)
> at
> com.sun.faces.el.ValueBindingImpl.getValue(ValueBindingImpl.java:160)
> at
> com.sun.faces.el.ValueBindingImpl.getValue(ValueBindingImpl.java:143)
> at
> javax.faces.component.UIComponentBase.isRendered(UIComponentBase.java:335)
> at
> javax.faces.webapp.UIComponentTag.shouldBeSuppressed(UIComponentTag.java:1289)
> at
> javax.faces.webapp.UIComponentTag.doStartTag(UIComponentTag.java:497)
> at
> com.sun.faces.taglib.html_basic.PanelGridTag.doStartTag(PanelGridTag.java:442)
> at
> org.apache.jsp.jsp.dfReviseTopicSettingsAttach_jsp._jspx_meth_h_005fpanelGrid_005f1(dfReviseTopicSettingsAttach_jsp.java:1502)
> at
> org.apache.jsp.jsp.dfReviseTopicSettingsAttach_jsp._jspService(dfReviseTopicSettingsAttach_jsp.java:451)
> at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
> at
> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432)
> at
> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
> at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
> at
> org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:749)
> at
> org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:487)
> at
> org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:412)
> at
> org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:339)
> at
> com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:346)
> at
> com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:152)
> at
> org.sakaiproject.jsf.app.SakaiViewHandler.renderView(SakaiViewHandler.java:159)
> at
> com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:107)
> at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:245)
> at
> com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:137)
> at javax.faces.webapp.FacesServlet.service(FacesServlet.java:214)
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
> at
> org.sakaiproject.util.RequestFilter.doFilter(RequestFilter.java:634)
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
> at
> org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:749)
> at
> org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:487)
> at
> org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:412)
> at
> org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:339)
> at
> org.sakaiproject.tool.messageforums.MessageForumsFilePickerServlet.dispatch(MessageForumsFilePickerServlet.java:166)
> at org.sakaiproject.jsf.util.JsfTool.doGet(JsfTool.java:241)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
> at
> org.sakaiproject.util.RequestFilter.doFilter(RequestFilter.java:634)
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
> at
> org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:749)
> at
> org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:487)
> at
> org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:379)
> at
> org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:339)
> at
> org.sakaiproject.tool.impl.ActiveToolComponent$MyActiveTool.forward(ActiveToolComponent.java:511)
> at
> org.sakaiproject.portal.charon.SkinnableCharonPortal.forwardTool(SkinnableCharonPortal.java:1483)
> at
> org.sakaiproject.portal.charon.handlers.ToolHandler.doTool(ToolHandler.java:213)
> at
> org.sakaiproject.portal.charon.handlers.ToolHandler.doGet(ToolHandler.java:96)
> at
> org.sakaiproject.portal.charon.SkinnableCharonPortal.doGet(SkinnableCharonPortal.java:894)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
> at
> org.sakaiproject.util.RequestFilter.doFilter(RequestFilter.java:695)
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
> at
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
> at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
> at
> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
> at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
> at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
> at
> org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)
> at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
> at
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
> at org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:200)
> at
> org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:603)
> at org.apache.tomcat.util.net
> <http://org.apache.tomcat.util.net>.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
> at java.lang.Thread.run(Thread.java:662)
>
>
> Regards,
>
> *Jaco Gillman*
>
> Java Developer
>
> opencollab
>
> *Tel*: +27 21 970 4017 | *Fax*:**+27 21 914 3098
>
> *Email*: jaco at opencollab.co.za <mailto:jaco at opencollab.co.za> |
> *Skype*: gillmanjc
>
> *Web*: www.opencollab.co.za <http://www.opencollab.co.za/>
>
>
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--
Neal Caidin
Sakai Community Coordinator
Apereo Foundation
neal.caidin at apereo.org
Skype me! (but let me know in advance for the first interaction) - nealkdin
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