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help: error in javax_portlet_faces_GenericFacesPortlet
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created by <a href="http://community.jboss.org/people/yelan_gatein">Sully Zhang</a> in <i>JBoss Portal</i> - <a href="http://community.jboss.org/message/544349#544349">View the full discussion</a>
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<div class="jive-rendered-content"><p>when many users view pages at the same time, errors:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Thanks for your help.</p><p>i'm wait here......</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>2010-05-22 22:41:56,883 ERROR [http-192.168.10.50-80-43][org.jboss.portal.portlet.container.javax_portlet_faces_GenericFacesPortlet] The portlet threw an exception</p><p>java.lang.NullPointerException</p><p>    at java.util.LinkedHashMap.get(LinkedHashMap.java:319)</p><p>    at org.jboss.portletbridge.application.PortletStateHolder.getWindowState(PortletStateHolder.java:143)</p><p>    at org.jboss.portletbridge.AjaxPortletBridge.doFacesRequest(AjaxPortletBridge.java:467)</p><p>    at javax.portlet.faces.GenericFacesPortlet.doFacesDispatch(GenericFacesPortlet.java:351)</p><p>    at javax.portlet.faces.GenericFacesPortlet.doView(GenericFacesPortlet.java:312)</p><p>    at javax.portlet.GenericPortlet.doDispatch(GenericPortlet.java:328)</p><p>    at javax.portlet.faces.GenericFacesPortlet.doDispatch(GenericFacesPortlet.java:293)</p><p>    at javax.portlet.GenericPortlet.render(GenericPortlet.java:233)</p><p>    at org.jboss.portal.portlet.impl.jsr168.PortletContainerImpl$Invoker.doFilter(PortletContainerImpl.java:568)</p><p>    at org.jboss.portal.portlet.impl.jsr168.api.FilterChainImpl.doFilter(FilterChainImpl.java:144)</p><p>    at org.jboss.portal.portlet.impl.jsr168.api.FilterChainImpl.doFilter(FilterChainImpl.java:80)</p><p>    at org.jboss.portal.portlet.impl.jsr168.PortletContainerImpl.dispatch(PortletContainerImpl.java:505)</p><p>    at org.jboss.portal.portlet.container.ContainerPortletDispatcher.invoke(ContainerPortletDispatcher.java:42)</p><p>    at org.jboss.portal.portlet.PortletInvokerInterceptor.invoke(PortletInvokerInterceptor.java:82)</p><p>    at org.jboss.portal.core.aspects.portlet.TransactionInterceptor.org$jboss$portal$core$aspects$portlet$TransactionInterceptor$invokeNotSupported$aop(TransactionInterceptor.java:97)</p><p>    at org.jboss.portal.core.aspects.portlet.TransactionInterceptor$invokeNotSupported_N6922078035659651697.invokeNext(TransactionInterceptor$invokeNotSupported_N6922078035659651697.java)</p><p>    at org.jboss.aspects.tx.TxPolicy.invokeInNoTx(TxPolicy.java:66)</p><p>    at org.jboss.aspects.tx.TxInterceptor$NotSupported.invoke(TxInterceptor.java:96)</p><p>    at org.jboss.portal.core.aspects.portlet.TransactionInterceptor$invokeNotSupported_N6922078035659651697.invokeNext(TransactionInterceptor$invokeNotSupported_N6922078035659651697.java)</p><p>    at org.jboss.portal.core.aspects.portlet.TransactionInterceptor.invokeNotSupported(TransactionInterceptor.java)</p><p>    at org.jboss.portal.core.aspects.portlet.TransactionInterceptor.invoke(TransactionInterceptor.java:58)</p><p>    at org.jboss.portal.portlet.PortletInvokerInterceptor.invoke(PortletInvokerInterceptor.java:82)</p><p>    at org.jboss.portal.core.aspects.portlet.HeaderInterceptor.invoke(HeaderInterceptor.java:49)</p><p>    at org.jboss.portal.portlet.PortletInvokerInterceptor.invoke(PortletInvokerInterceptor.java:82)</p><p>    at org.jboss.portal.portlet.aspects.portlet.EventPayloadInterceptor.invoke(EventPayloadInterceptor.java:196)</p><p>    at org.jboss.portal.portlet.PortletInvokerInterceptor.invoke(PortletInvokerInterceptor.java:82)</p><p>    at org.jboss.portal.portlet.aspects.portlet.RequestAttributeConversationInterceptor.invoke(RequestAttributeConversationInterceptor.java:119)</p><p>    at org.jboss.portal.portlet.PortletInvokerInterceptor.invoke(PortletInvokerInterceptor.java:82)</p><p>    at org.jboss.portal.portlet.PortletInvokerInterceptor.invoke(PortletInvokerInterceptor.java:82)</p><p>    at org.jboss.portal.core.aspects.portlet.SignOutInterceptor.invoke(SignOutInterceptor.java:43)</p><p>    at org.jboss.portal.portlet.PortletInvokerInterceptor.invoke(PortletInvokerInterceptor.java:82)</p><p>    at org.jboss.portal.core.aspects.portlet.AjaxInterceptor.invoke(AjaxInterceptor.java:49)</p><p>    at org.jboss.portal.portlet.PortletInvokerInterceptor.invoke(PortletInvokerInterceptor.java:82)</p><p>    at org.jboss.portal.core.aspects.portlet.BackwardCompatibilityInterceptor.invoke(BackwardCompatibilityInterceptor.java:46)</p><p>    at org.jboss.portal.portlet.PortletInvokerInterceptor.invoke(PortletInvokerInterceptor.java:82)</p><p>    at org.jboss.portal.portlet.bridge.BridgeInterceptor.invoke(BridgeInterceptor.java:49)</p><p>    at org.jboss.portal.portlet.PortletInvokerInterceptor.invoke(PortletInvokerInterceptor.java:82)</p><p>    at org.jboss.portal.portlet.aspects.portlet.PortletSessionSynchronizationInterceptor.invoke(PortletSessionSynchronizationInterceptor.java:82)</p><p>    at org.jboss.portal.portlet.PortletInvokerInterceptor.invoke(PortletInvokerInterceptor.java:82)</p><p>    at org.jboss.portal.portlet.aspects.portlet.ContextTrackerInterceptor.invoke(ContextTrackerInterceptor.java:48)</p><p>    at org.jboss.portal.portlet.PortletInvokerInterceptor.invoke(PortletInvokerInterceptor.java:82)</p><p>    at org.jboss.portal.portlet.aspects.portlet.ContextDispatcherInterceptor.access$001(ContextDispatcherInterceptor.java:49)</p><p>    at org.jboss.portal.portlet.aspects.portlet.ContextDispatcherInterceptor$1.doCallback(ContextDispatcherInterceptor.java:109)</p><p>    at org.jboss.portal.web.command.CommandDispatcher$CallbackCommand.execute(CommandDispatcher.java:74)</p><p>    at sun.reflect.GeneratedMethodAccessor424.invoke(Unknown Source)</p><p>    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)</p><p>    at java.lang.reflect.Method.invoke(Method.java:599)</p><p>    at org.jboss.portal.web.command.CommandServlet.doGet(CommandServlet.java:130)</p><p>    at org.jboss.portal.web.command.CommandServlet.doPost(CommandServlet.java:161)</p><p>    at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)</p><p>    at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)</p><p>    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)</p><p>    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)</p><p>    at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:654)</p><p>    at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:557)</p><p>    at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:481)</p><p>    at org.jboss.portal.web.command.CommandServlet.include(CommandServlet.java:79)</p><p>    at org.jboss.portal.web.command.CommandDispatcher.include(CommandDispatcher.java:50)</p><p>    at org.jboss.portal.web.jboss.JBossWebContext.include(JBossWebContext.java:66)</p><p>    at org.jboss.portal.web.impl.DefaultServletContainer.include(DefaultServletContainer.java:190)</p><p>    at org.jboss.portal.portlet.impl.spi.AbstractServerContext.dispatch(AbstractServerContext.java:69)</p><p>    at org.jboss.portal.portlet.aspects.portlet.ContextDispatcherInterceptor.invoke(ContextDispatcherInterceptor.java:71)</p><p>    at org.jboss.portal.portlet.PortletInvokerInterceptor.invoke(PortletInvokerInterceptor.java:82)</p><p>    at org.jboss.portal.portlet.aspects.portlet.SecureTransportInterceptor.invoke(SecureTransportInterceptor.java:69)</p><p>    at org.jboss.portal.portlet.PortletInvokerInterceptor.invoke(PortletInvokerInterceptor.java:82)</p><p>    at org.jboss.portal.portlet.aspects.portlet.ValveInterceptor.invoke(ValveInterceptor.java:75)</p><p>    at org.jboss.portal.portlet.PortletInvokerInterceptor.invoke(PortletInvokerInterceptor.java:82)</p><p>    at org.jboss.portal.portlet.container.ContainerPortletInvoker.invoke(ContainerPortletInvoker.java:116)</p><p>    at org.jboss.portal.portlet.PortletInvokerInterceptor.invoke(PortletInvokerInterceptor.java:82)</p><p>    at org.jboss.portal.portlet.state.producer.ProducerPortletInvoker.invoke(ProducerPortletInvoker.java:221)</p><p>    at org.jboss.portal.core.impl.portlet.state.ProducerPortletInvoker.org$jboss$portal$core$impl$portlet$state$ProducerPortletInvoker$invoke$aop(ProducerPortletInvoker.java:53)</p><p>    at org.jboss.portal.core.impl.portlet.state.ProducerPortletInvoker$invoke_N8654503705355129869.invokeNext(ProducerPortletInvoker$invoke_N8654503705355129869.java)</p><p>    at org.jboss.aspects.tx.TxPolicy.invokeInCallerTx(TxPolicy.java:126)</p><p>    at org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:195)</p><p>    at org.jboss.portal.core.impl.portlet.state.ProducerPortletInvoker$invoke_N8654503705355129869.invokeNext(ProducerPortletInvoker$invoke_N8654503705355129869.java)</p><p>    at org.jboss.portal.core.impl.portlet.state.ProducerPortletInvoker.invoke(ProducerPortletInvoker.java)</p><p>    at org.jboss.portal.portlet.federation.impl.FederatedPortletInvokerService.invoke(FederatedPortletInvokerService.java:145)</p><p>    at org.jboss.portal.portlet.federation.impl.FederatingPortletInvokerService.invoke(FederatingPortletInvokerService.java:149)</p><p>    at org.jboss.portal.core.model.instance.InstanceInvoker.invoke(InstanceInvoker.java:42)</p><p>    at org.jboss.portal.portlet.PortletInvokerInterceptor.invoke(PortletInvokerInterceptor.java:82)</p><p>    at org.jboss.portal.portlet.aspects.portlet.PortalSessionSynchronizationInterceptor.invoke(PortalSessionSynchronizationInterceptor.java:93)</p><p>    at org.jboss.portal.portlet.PortletInvokerInterceptor.invoke(PortletInvokerInterceptor.java:82)</p><p>    at org.jboss.portal.core.model.instance.InstanceSecurityInterceptor.invoke(InstanceSecurityInterceptor.java:93)</p><p>    at org.jboss.portal.portlet.PortletInvokerInterceptor.invoke(PortletInvokerInterceptor.java:82)</p><p>    at org.jboss.portal.portlet.aspects.portlet.ConsumerCacheInterceptor.invoke(ConsumerCacheInterceptor.java:162)</p><p>    at org.jboss.portal.core.impl.model.instance.InstanceContainerImpl.org$jboss$portal$core$impl$model$instance$InstanceContainerImpl$invoke$aop(InstanceContainerImpl.java:408)</p><p>    at org.jboss.portal.core.impl.model.instance.InstanceContainerImpl$invoke_N8654503705355129869.invokeNext(InstanceContainerImpl$invoke_N8654503705355129869.java)</p><p>    at org.jboss.aspects.tx.TxPolicy.invokeInCallerTx(TxPolicy.java:126)</p><p>    at org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:195)</p><p>    at org.jboss.portal.core.impl.model.instance.InstanceContainerImpl$invoke_N8654503705355129869.invokeNext(InstanceContainerImpl$invoke_N8654503705355129869.java)</p><p>    at org.jboss.portal.core.impl.model.instance.InstanceContainerImpl.invoke(InstanceContainerImpl.java)</p><p>    at org.jboss.portal.core.impl.model.instance.AbstractInstance.invoke(AbstractInstance.java:231)</p><p>    at org.jboss.portal.core.impl.model.content.InternalContentProvider.renderWindow(InternalContentProvider.java:294)</p><p>    at org.jboss.portal.core.model.portal.command.render.RenderWindowCommand.execute(RenderWindowCommand.java:100)</p><p>    at org.jboss.portal.core.controller.ControllerCommand$1.invoke(ControllerCommand.java:68)</p><p>    at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:131)</p><p>    at org.jboss.portal.core.aspects.controller.node.EventBroadcasterInterceptor.invoke(EventBroadcasterInterceptor.java)</p><p>    at org.jboss.portal.core.controller.ControllerInterceptor.invoke(ControllerInterceptor.java:40)</p><p>    at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115)</p><p>    at org.jboss.portal.core.aspects.controller.PageCustomizerInterceptor.invoke(PageCustomizerInterceptor.java:134)</p><p>    at org.jboss.portal.core.controller.ControllerInterceptor.invoke(ControllerInterceptor.java:40)</p><p>    at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115)</p><p>    at org.jboss.portal.core.aspects.controller.PolicyEnforcementInterceptor.invoke(PolicyEnforcementInterceptor.java:78)</p><p>    at org.jboss.portal.core.controller.ControllerInterceptor.invoke(ControllerInterceptor.java:40)</p><p>    at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115)</p><p>    at org.jboss.portal.core.aspects.controller.node.PortalNodeInterceptor.invoke(PortalNodeInterceptor.java:81)</p><p>    at org.jboss.portal.core.controller.ControllerInterceptor.invoke(ControllerInterceptor.java:40)</p><p>    at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115)</p><p>    at org.jboss.portal.core.aspects.controller.BackwardCompatibilityInterceptor.invoke(BackwardCompatibilityInterceptor.java:48)</p><p>    at org.jboss.portal.core.controller.ControllerInterceptor.invoke(ControllerInterceptor.java:40)</p><p>    at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115)</p><p>    at org.jboss.portal.core.aspects.controller.ControlInterceptor.invoke(ControlInterceptor.java:56)</p><p>    at org.jboss.portal.core.controller.ControllerInterceptor.invoke(ControllerInterceptor.java:40)</p><p>    at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115)</p><p>    at org.jboss.portal.core.aspects.controller.NavigationalStateInterceptor.invoke(NavigationalStateInterceptor.java:42)</p><p>    at org.jboss.portal.core.controller.ControllerInterceptor.invoke(ControllerInterceptor.java:40)</p><p>    at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115)</p><p>    at org.jboss.portal.core.controller.ajax.AjaxInterceptor.invoke(AjaxInterceptor.java:55)</p><p>    at org.jboss.portal.core.controller.ControllerInterceptor.invoke(ControllerInterceptor.java:40)</p><p>    at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115)</p><p>    at org.jboss.portal.core.aspects.controller.ResourceAcquisitionInterceptor.invoke(ResourceAcquisitionInterceptor.java:50)</p><p>    at org.jboss.portal.core.controller.ControllerInterceptor.invoke(ControllerInterceptor.java:40)</p><p>    at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115)</p><p>    at org.jboss.portal.common.invocation.Invocation.invoke(Invocation.java:157)</p><p>    at org.jboss.portal.core.controller.ControllerContext.execute(ControllerContext.java:131)</p><p>    at org.jboss.portal.core.model.portal.command.render.RenderWindowCommand.render(RenderWindowCommand.java:80)</p><p>    at org.jboss.portal.core.model.portal.command.render.RenderPageCommand.execute(RenderPageCommand.java:222)</p><p>    at org.jboss.portal.core.controller.ControllerCommand$1.invoke(ControllerCommand.java:68)</p><p>    at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:131)</p><p>    at org.jboss.portal.core.aspects.controller.node.EventBroadcasterInterceptor.invoke(EventBroadcasterInterceptor.java)</p><p>    at org.jboss.portal.core.controller.ControllerInterceptor.invoke(ControllerInterceptor.java:40)</p><p>    at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115)</p><p>    at org.jboss.portal.core.aspects.controller.PageCustomizerInterceptor.invoke(PageCustomizerInterceptor.java:134)</p><p>    at org.jboss.portal.core.controller.ControllerInterceptor.invoke(ControllerInterceptor.java:40)</p><p>    at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115)</p><p>    at org.jboss.portal.core.aspects.controller.PolicyEnforcementInterceptor.invoke(PolicyEnforcementInterceptor.java:78)</p><p>    at org.jboss.portal.core.controller.ControllerInterceptor.invoke(ControllerInterceptor.java:40)</p><p>    at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115)</p><p>    at org.jboss.portal.core.aspects.controller.node.PortalNodeInterceptor.invoke(PortalNodeInterceptor.java:81)</p><p>    at org.jboss.portal.core.controller.ControllerInterceptor.invoke(ControllerInterceptor.java:40)</p><p>    at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115)</p><p>    at org.jboss.portal.core.aspects.controller.BackwardCompatibilityInterceptor.invoke(BackwardCompatibilityInterceptor.java:48)</p><p>    at org.jboss.portal.core.controller.ControllerInterceptor.invoke(ControllerInterceptor.java:40)</p><p>    at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115)</p><p>    at org.jboss.portal.core.aspects.controller.ControlInterceptor.invoke(ControlInterceptor.java:56)</p><p>    at org.jboss.portal.core.controller.ControllerInterceptor.invoke(ControllerInterceptor.java:40)</p><p>    at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115)</p><p>    at org.jboss.portal.core.aspects.controller.NavigationalStateInterceptor.invoke(NavigationalStateInterceptor.java:42)</p><p>    at org.jboss.portal.core.controller.ControllerInterceptor.invoke(ControllerInterceptor.java:40)</p><p>    at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115)</p><p>    at org.jboss.portal.core.controller.ajax.AjaxInterceptor.invoke(AjaxInterceptor.java:55)</p><p>    at org.jboss.portal.core.controller.ControllerInterceptor.invoke(ControllerInterceptor.java:40)</p><p>    at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115)</p><p>    at org.jboss.portal.core.aspects.controller.ResourceAcquisitionInterceptor.invoke(ResourceAcquisitionInterceptor.java:50)</p><p>    at org.jboss.portal.core.controller.ControllerInterceptor.invoke(ControllerInterceptor.java:40)</p><p>    at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115)</p><p>    at org.jboss.portal.common.invocation.Invocation.invoke(Invocation.java:157)</p><p>    at org.jboss.portal.core.controller.ControllerContext.execute(ControllerContext.java:131)</p><p>    at org.jboss.portal.core.model.portal.PortalObjectResponseHandler.processCommandResponse(PortalObjectResponseHandler.java:80)</p><p>    at org.jboss.portal.core.controller.classic.ClassicResponseHandler.processHandlers(ClassicResponseHandler.java:78)</p><p>    at org.jboss.portal.core.controller.classic.ClassicResponseHandler.processCommandResponse(ClassicResponseHandler.java:53)</p><p>    at org.jboss.portal.core.controller.handler.ResponseHandlerSelector.processCommandResponse(ResponseHandlerSelector.java:70)</p><p>    at org.jboss.portal.core.controller.Controller.processCommandResponse(Controller.java:315)</p><p>    at org.jboss.portal.core.controller.Controller.processCommand(Controller.java:303)</p><p>    at org.jboss.portal.core.controller.Controller.handle(Controller.java:261)</p><p>    at org.jboss.portal.server.RequestControllerDispatcher.invoke(RequestControllerDispatcher.java:51)</p><p>    at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:131)</p><p>    at org.jboss.portal.core.cms.aspect.IdentityBindingInterceptor.invoke(IdentityBindingInterceptor.java:47)</p><p>    at org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38)</p><p>    at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115)</p><p>    at org.jboss.portal.server.aspects.server.ContentTypeInterceptor.invoke(ContentTypeInterceptor.java:68)</p><p>    at org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38)</p><p>    at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115)</p><p>    at org.jboss.portal.core.aspects.server.PortalContextPathInterceptor.invoke(PortalContextPathInterceptor.java:45)</p><p>    at org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38)</p><p>    at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115)</p><p>    at org.jboss.portal.core.aspects.server.LocaleInterceptor.invoke(LocaleInterceptor.java:96)</p><p>    at org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38)</p><p>    at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115)</p><p>    at org.jboss.portal.core.aspects.server.UserInterceptor.invoke(UserInterceptor.java:196)</p><p>    at org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38)</p><p>    at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115)</p><p>    at org.jboss.portal.server.aspects.server.SignOutInterceptor.invoke(SignOutInterceptor.java:98)</p><p>    at org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38)</p><p>    at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115)</p><p>    at org.jboss.portal.core.impl.api.user.UserEventBridgeTriggerInterceptor.invoke(UserEventBridgeTriggerInterceptor.java:65)</p><p>    at org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38)</p><p>    at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115)</p><p>    at org.jboss.portal.core.aspects.server.IdentityCacheInterceptor.invoke(IdentityCacheInterceptor.java:68)</p><p>    at org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38)</p><p>    at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115)</p><p>    at org.jboss.portal.core.aspects.server.TransactionInterceptor.org$jboss$portal$core$aspects$server$TransactionInterceptor$invoke$aop(TransactionInterceptor.java:49)</p><p>    at org.jboss.portal.core.aspects.server.TransactionInterceptor$invoke_N5143606530999904530.invokeNext(TransactionInterceptor$invoke_N5143606530999904530.java)</p><p>    at org.jboss.aspects.tx.TxPolicy.invokeInOurTx(TxPolicy.java:79)</p><p>    at org.jboss.aspects.tx.TxInterceptor$RequiresNew.invoke(TxInterceptor.java:262)</p><p>    at org.jboss.portal.core.aspects.server.TransactionInterceptor$invoke_N5143606530999904530.invokeNext(TransactionInterceptor$invoke_N5143606530999904530.java)</p><p>    at org.jboss.portal.core.aspects.server.TransactionInterceptor.invoke(TransactionInterceptor.java)</p><p>    at org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38)</p><p>    at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115)</p><p>    at org.jboss.portal.server.aspects.LockInterceptor$InternalLock.invoke(LockInterceptor.java:69)</p><p>    at org.jboss.portal.server.aspects.LockInterceptor.invoke(LockInterceptor.java:130)</p><p>    at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115)</p><p>    at org.jboss.portal.common.invocation.Invocation.invoke(Invocation.java:157)</p><p>    at org.jboss.portal.server.servlet.PortalServlet.service(PortalServlet.java:252)</p><p>    at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)</p><p>    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)</p><p>    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)</p><p>    at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)</p><p>    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)</p><p>    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)</p><p>    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)</p><p>    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)</p><p>    at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:182)</p><p>    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:524)</p><p>    at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)</p><p>    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)</p><p>    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)</p><p>    at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:150)</p><p>    at org.apache.catalina.authenticator.SingleSignOn.invoke(SingleSignOn.java:393)</p><p>    at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:562)</p><p>    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)</p><p>    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262)</p><p>    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)</p><p>    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)</p><p>    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446)</p><p>    at java.lang.Thread.run(Thread.java:735)</p><p>2010-05-22 22:41:56,891 ERROR [http-192.168.10.50-80-43][org.jboss.portal.core.model.portal.control.page.DefaultPageControlPolicy] Rendering portlet window  produced an error</p><p>java.lang.NullPointerException</p><p>    at java.util.LinkedHashMap.get(LinkedHashMap.java:319)</p><p>    at org.jboss.portletbridge.application.PortletStateHolder.getWindowState(PortletStateHolder.java:143)</p><p>    at org.jboss.portletbridge.AjaxPortletBridge.doFacesRequest(AjaxPortletBridge.java:467)</p><p>    at javax.portlet.faces.GenericFacesPortlet.doFacesDispatch(GenericFacesPortlet.java:351)</p><p>    at javax.portlet.faces.GenericFacesPortlet.doView(GenericFacesPortlet.java:312)</p><p>    at javax.portlet.GenericPortlet.doDispatch(GenericPortlet.java:328)</p><p>    at javax.portlet.faces.GenericFacesPortlet.doDispatch(GenericFacesPortlet.java:293)</p><p>    at javax.portlet.GenericPortlet.render(GenericPortlet.java:233)</p><p>    at org.jboss.portal.portlet.impl.jsr168.PortletContainerImpl$Invoker.doFilter(PortletContainerImpl.java:568)</p><p>    at org.jboss.portal.portlet.impl.jsr168.api.FilterChainImpl.doFilter(FilterChainImpl.java:144)</p></div>
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