[Building Sakai] MSGCNTR/Forums - 2.9.1 - Error getting property 'needToPostFirst'

Gast, Cynthia (cmw6s) cmw6s at eservices.virginia.edu
Mon Oct 7 09:05:00 PDT 2013 

Hello:

Wondering if this is a known issue?

At UVa (Sakai 2.9.1), we are seeing many (hundreds of) bug reports from the Forums tool with stack traces (see below) that point to an Error getting property 'needToPostFirst'.

Any feedback is appreciated.  I've not found an existing issue for this, so I'll be happy to create a Sakai JIRA if that is advised?

Cynthia Gast, UVa


Stack trace:

org.sakaiproject.portal.api.PortalHandlerException: org.sakaiproject.tool.api.ToolException: org.apache.jasper.JasperException: javax.servlet.ServletException: javax.servlet.jsp.JspException: javax.faces.el.EvaluationException: javax.faces.el.EvaluationException: Error getting property 'needToPostFirst' from bean of type org.sakaiproject.tool.messageforums.DiscussionForumTool: java.lang.NullPointerException
    at org.sakaiproject.portal.charon.SkinnableCharonPortal.doGet(SkinnableCharonPortal.java:881)
caused by: org.sakaiproject.tool.api.ToolException: org.apache.jasper.JasperException: javax.servlet.ServletException: javax.servlet.jsp.JspException: javax.faces.el.EvaluationException: javax.faces.el.EvaluationException: Error getting property 'needToPostFirst' from bean of type org.sakaiproject.tool.messageforums.DiscussionForumTool: java.lang.NullPointerException
    at org.sakaiproject.portal.charon.SkinnableCharonPortal.forwardTool(SkinnableCharonPortal.java:1470)
caused by: org.apache.jasper.JasperException: javax.servlet.ServletException: javax.servlet.jsp.JspException: javax.faces.el.EvaluationException: javax.faces.el.EvaluationException: Error getting property 'needToPostFirst' from bean of type org.sakaiproject.tool.messageforums.DiscussionForumTool: java.lang.NullPointerException
    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 'needToPostFirst' 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 'needToPostFirst' 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 'needToPostFirst' 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.getNeedToPostFirst(DiscussionForumTool.java:2392)
    at sun.reflect.GeneratedMethodAccessor3379.invoke(null:-1)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:601)
    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.OutputTextTag.doStartTag(OutputTextTag.java:155)
    at org.apache.jsp.jsp.discussionForum.message.dfAllMessages_jsp._jspx_meth_h_005foutputText_005f31(dfAllMessages_jsp.java:2863)
    at org.apache.jsp.jsp.discussionForum.message.dfAllMessages_jsp._jspService(dfAllMessages_jsp.java:354)
    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$MyActiveTool.forward(ActiveToolComponent.java:511)
    at org.sakaiproject.portal.charon.SkinnableCharonPortal.forwardTool(SkinnableCharonPortal.java:1470)
    at org.sakaiproject.portal.charon.handlers.ToolHandler.doTool(ToolHandler.java:213)
    at org.sakaiproject.portal.charon.handlers.ToolHandler.doGet(ToolHandler.java:96)
    at org.sakaiproject.portal.charon.SkinnableCharonPortal.doGet(SkinnableCharonPortal.java:881)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
    at org.sakaiproject.util.RequestFilter.doFilter(RequestFilter.java:695)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
    at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:936)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
    at org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:200)
    at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
    at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    at java.lang.Thread.run(Thread.java:722)





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