Re: Facelets: Back button, then nav-link click produces NPE
OK, we've upgraded to 2.1.7 as you suggested, and it has only changed the line number that throws this error in ApplicationImpl.java. Any thoughts? Thanks much!! java.lang.NullPointerException at org.apache.myfaces.application.ApplicationImpl._traverseListenerList(ApplicationImpl.java:2355) at org.apache.myfaces.application.ApplicationImpl.publishEvent(ApplicationImpl.java:574) at org.apache.myfaces.application.ApplicationImpl.publishEvent(ApplicationImpl.java:604) at org.apache.myfaces.application.NavigationHandlerImpl$PreDisposeViewCallback.visit(NavigationHandlerImpl.java:237) at org.apache.myfaces.component.visit.FullVisitContext.invokeVisitCallback(FullVisitContext.java:141) at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:539) at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:362) at org.apache.myfaces.trinidad.component.UIXComponent.visitAllChildren(UIXComponent.java:445) at org.apache.myfaces.trinidad.component.UIXComponent.visitChildren(UIXComponent.java:423) at org.apache.myfaces.trinidad.component.UIXComponent.visitChildren(UIXComponent.java:703) at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:566) at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:362) at org.apache.myfaces.trinidad.component.UIXComponent.visitAllChildren(UIXComponent.java:445) at org.apache.myfaces.trinidad.component.UIXComponent.visitChildren(UIXComponent.java:423) at org.apache.myfaces.trinidad.component.UIXComponent.visitChildren(UIXComponent.java:703) at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:566) at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:362) at org.apache.myfaces.trinidad.component.UIXShowOne.visitTree(UIXShowOne.java:135) at javax.faces.component.UIComponent.visitTree(UIComponent.java:960) at javax.faces.component.UIComponentBase.visitTree(UIComponentBase.java:1159) at org.apache.myfaces.trinidad.component.UIXComponent.visitAllChildren(UIXComponent.java:445) at org.apache.myfaces.trinidad.component.UIXComponent.visitChildren(UIXComponent.java:423) at org.apache.myfaces.trinidad.component.UIXComponent.visitChildren(UIXComponent.java:703) at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:566) at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:362) at org.apache.myfaces.trinidad.component.UIXComponent.visitAllChildren(UIXComponent.java:445) at org.apache.myfaces.trinidad.component.UIXComponent.visitChildren(UIXComponent.java:423) at org.apache.myfaces.trinidad.component.UIXComponent.visitChildren(UIXComponent.java:703) at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:566) at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:362) at javax.faces.component.UIComponent.visitTree(UIComponent.java:960) at javax.faces.component.UIComponentBase.visitTree(UIComponentBase.java:1159) at org.apache.myfaces.application.NavigationHandlerImpl.handleNavigation(NavigationHandlerImpl.java:182) at org.apache.myfaces.trinidadinternal.application.NavigationHandlerImpl.handleNavigation(NavigationHandlerImpl.java:117) at org.apache.myfaces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:161) at org.apache.myfaces.trinidad.component.UIXCommand.broadcast(UIXCommand.java:190) at javax.faces.component.UIViewRoot._broadcastAll(UIViewRoot.java:1023) at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:286) at javax.faces.component.UIViewRoot._process(UIViewRoot.java:1360) at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:752) at org.apache.myfaces.lifecycle.InvokeApplicationExecutor.execute(InvokeApplicationExecutor.java:38) at org.apache.myfaces.lifecycle.LifecycleImpl.executePhase(LifecycleImpl.java:170) at org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:117) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:197) at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227) at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125) at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:300) at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56) at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:293)
Facelets: Back button, then nav-link click produces NPE
Hi, I'm using MyFaces + Facelets + Trinidad + WebLogic 10.3.5. When trying to use the back button to backtrack to previous pages, it seems the pages themselves are in the browser chache and do display alright. Yet, when I try to use any Trinidad link or command button, I get a NullPointerException. This is happing on every page on the site. Yet, if I hit the back button, then, refresh the resulting cached page, then the forward navigation items work just fine. What is going wrong here: java.lang.NullPointerException at org.apache.myfaces.application.ApplicationImpl._traverseListenerList(ApplicationImpl.java:2344) at org.apache.myfaces.application.ApplicationImpl.publishEvent(ApplicationImpl.java:563) at org.apache.myfaces.application.ApplicationImpl.publishEvent(ApplicationImpl.java:593) at org.apache.myfaces.application.NavigationHandlerImpl$PreDisposeViewCallback.visit(NavigationHandlerImpl.java:236) at org.apache.myfaces.component.visit.FullVisitContext.invokeVisitCallback(FullVisitContext.java:141) at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:505) at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:354) at org.apache.myfaces.trinidad.component.UIXComponent.visitAllChildren(UIXComponent.java:411) at org.apache.myfaces.trinidad.component.UIXComponent.visitChildren(UIXComponent.java:392) at org.apache.myfaces.trinidad.component.UIXComponent.visitChildren(UIXComponent.java:669) at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:532) at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:354) at org.apache.myfaces.trinidad.component.UIXComponent.visitAllChildren(UIXComponent.java:411) at org.apache.myfaces.trinidad.component.UIXComponent.visitChildren(UIXComponent.java:392) at org.apache.myfaces.trinidad.component.UIXComponent.visitChildren(UIXComponent.java:669) at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:532) at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:354) at org.apache.myfaces.trinidad.component.UIXDocument.visitTree(UIXDocument.java:82) at javax.faces.component.UIComponent.visitTree(UIComponent.java:958) at javax.faces.component.UIComponentBase.visitTree(UIComponentBase.java:1073) at org.apache.myfaces.application.NavigationHandlerImpl.handleNavigation(NavigationHandlerImpl.java:181) at org.apache.myfaces.trinidadinternal.application.NavigationHandlerImpl.handleNavigation(NavigationHandlerImpl.java:117) at org.apache.myfaces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:161) at org.apache.myfaces.trinidad.component.UIXCommand.broadcast(UIXCommand.java:190) at javax.faces.component.UIViewRoot._broadcastAll(UIViewRoot.java:1015) at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:284) at javax.faces.component.UIViewRoot._process(UIViewRoot.java:1309) at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:746) at org.apache.myfaces.lifecycle.InvokeApplicationExecutor.execute(InvokeApplicationExecutor.java:38) at org.apache.myfaces.lifecycle.LifecycleImpl.executePhase(LifecycleImpl.java:170) at org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:117) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:197) at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227) at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125) at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:300) at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56) at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:293) at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(TrinidadFilterImpl.java:199) at org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFilter.java:92) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56) at com.myapp.filter.LoginFilter.doFilter(LoginFilter.java:59) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56) at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:111) at java.security.AccessController.doPrivileged(Native Method) at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:313) at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:413) at oracle.security.jps.ee.htt
