Well, I am actually having a similar problem when I try to access Preferences. I am wondering wether there is some crashing in between JBoss and Sakai libraries, since there are a few in common with sligthly different versions.
Rafael | Technical Details | This information will automatically be included in your bug report. | | | org.sakaiproject.tool.api.ToolException | at org.sakaiproject.portal.charon.CharonPortal.forwardTool(CharonPortal.java:1632) | caused by: org.apache.jasper.JasperException | at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:395) | caused by: java.lang.NullPointerException | at javax.faces.webapp.UIComponentTag.setupResponseWriter(UIComponentTag.java:929) | at javax.faces.webapp.UIComponentTag.doStartTag(UIComponentTag.java:310) | at org.apache.myfaces.taglib.core.ViewTag.doStartTag(ViewTag.java:70) | at org.apache.jsp.prefs.noti_jsp._jspx_meth_f_view_0(noti_jsp.java:123) | at org.apache.jsp.prefs.noti_jsp._jspService(noti_jsp.java:98) | at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97) | at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) | at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:334) | at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314) | at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264) | at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) | at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672) | at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:463) | at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:398) | at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301) | at com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:322) | at com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:130) | at org.sakaiproject.jsf.app.SakaiViewHandler.renderView(SakaiViewHandler.java:137) | at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:87) | at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:200) | at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:117) | at javax.faces.webapp.FacesServlet.service(FacesServlet.java:198) | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) | at org.sakaiproject.util.RequestFilter.doFilter(RequestFilter.java:501) | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) | at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672) | at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:463) | at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:398) | at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301) | at org.sakaiproject.jsf.util.JsfTool.dispatch(JsfTool.java:221) | at org.sakaiproject.jsf.util.JsfTool.doGet(JsfTool.java:241) | at javax.servlet.http.HttpServlet.service(HttpServlet.java:697) | at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) | at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672) | at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:463) | at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:359) | at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301) | at org.sakaiproject.tool.impl.ActiveToolComponent$MyActiveTool.forward(ActiveToolComponent.java:339) | at org.sakaiproject.portal.charon.CharonPortal.forwardTool(CharonPortal.java:1632) | at org.sakaiproject.portal.charon.CharonPortal.doTool(CharonPortal.java:1563) | at org.sakaiproject.portal.charon.CharonPortal.doGet(CharonPortal.java:380) | at javax.servlet.http.HttpServlet.service(HttpServlet.java:697) | at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) | at org.sakaiproject.util.RequestFilter.doFilter(RequestFilter.java:532) | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) | at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) | at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) | at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) | at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175) | at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74) | at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) | at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) | at org.jboss.web.tomcat.tc5.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:156) | at org.jboss.web.tomcat.tc5.sso.ClusteredSingleSignOn.invoke(ClusteredSingleSignOn.java:637) | at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) | at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) | at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869) | at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664) | at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) | at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112) | at java.lang.Thread.run(Thread.java:595) | | | user: 02fb1d09-512d-4bb5-008b-e9dbd1b4683b | | usage-session: e7a07b16-c1ce-428b-005c-f81dc073c9fc | | time: 12/02/2007 17:56:50 | 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