Could be an unitialized ArrayList or something like this. 
Also make shure you initialize showed variablen in bean's constructor.


BR, 
Alecs


On Thu, 2005-04-21 at 07:29 -0700, Catalin Kormos wrote:
> Hi there,
> 
> Does anyone has an ideea about is with this error? i
> can't seem be to be able to get rid of it...can't find
> what could determine this behaviour.
> 
> Here is the entire stack trace:
> 
> javax.servlet.ServletException: parent is null?
>       at
> javax.faces.webapp.FacesServlet.service(FacesServlet.java:125)
>       at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
>       at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
>       at
> org.apache.myfaces.component.html.util.ExtensionsFilter.doFilter(ExtensionsFilter.java:112)
>       at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:213)
>       at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
>       at
> ro.citrusmedia.lims.web.ui.security.LoggedInFilter.doFilter(LoggedInFilter.java:34)
>       at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:213)
>       at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
>       at
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:256)
>       at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
>       at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
>       at
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
>       at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
>       at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
>       at
> org.jboss.web.tomcat.security.JBossSecurityMgrRealm.invoke(JBossSecurityMgrRealm.java:220)
>       at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
>       at
> org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.java:246)
>       at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
>       at
> org.jboss.web.tomcat.tc4.statistics.ContainerStatsValve.invoke(ContainerStatsValve.java:76)
>       at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
>       at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
>       at
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
>       at
> org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2417)
>       at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
>       at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
>       at
> org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:171)
>       at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
>       at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
>       at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
>       at
> org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:65)
>       at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
>       at
> org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:577)
>       at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
>       at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
>       at
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
>       at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
>       at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
>       at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
>       at
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
>       at
> org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:197)
>       at
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:781)
>       at
> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:549)
>       at
> org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:605)
>       at
> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:677)
>       at java.lang.Thread.run(Thread.java:534)
> 2005-04-21 17:26:16,750 ERROR
> [org.jboss.web.localhost.Engine] ----- Root Cause
> -----
> javax.faces.FacesException: parent is null?
>       at
> org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatch(ServletExternalContextImpl.java:411)
>       at
> org.apache.myfaces.application.jsp.JspTilesViewHandlerImpl.dispatch(JspTilesViewHandlerImpl.java:220)
>       at
> org.apache.myfaces.application.jsp.JspTilesViewHandlerImpl.renderView(JspTilesViewHandlerImpl.java:206)
>       at
> org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:300)
>       at
> javax.faces.webapp.FacesServlet.service(FacesServlet.java:110)
>       at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
>       at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
>       at
> org.apache.myfaces.component.html.util.ExtensionsFilter.doFilter(ExtensionsFilter.java:112)
>       at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:213)
>       at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
>       at
> ro.citrusmedia.lims.web.ui.security.LoggedInFilter.doFilter(LoggedInFilter.java:34)
>       at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:213)
>       at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
>       at
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:256)
>       at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
>       at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
>       at
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
>       at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
>       at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
>       at
> org.jboss.web.tomcat.security.JBossSecurityMgrRealm.invoke(JBossSecurityMgrRealm.java:220)
>       at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
>       at
> org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.java:246)
>       at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
>       at
> org.jboss.web.tomcat.tc4.statistics.ContainerStatsValve.invoke(ContainerStatsValve.java:76)
>       at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
>       at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
>       at
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
>       at
> org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2417)
>       at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
>       at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
>       at
> org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:171)
>       at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
>       at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
>       at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
>       at
> org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:65)
>       at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
>       at
> org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:577)
>       at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
>       at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
>       at
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
>       at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
>       at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
>       at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
>       at
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
>       at
> org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:197)
>       at
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:781)
>       at
> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:549)
>       at
> org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:605)
>       at
> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:677)
>       at java.lang.Thread.run(Thread.java:534)
> Caused by: org.apache.jasper.JasperException: parent
> is null?
>       at
> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:254)
>       at
> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
>       at
> org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
>       at
> javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
>       at
> org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:684)
>       at
> org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:432)
>       at
> org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:356)
>       at
> org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatch(ServletExternalContextImpl.java:405)
>       ... 49 more
> 2005-04-21 17:26:16,765 ERROR
> [org.jboss.web.localhost.Engine]
> ApplicationDispatcher[/limswebclient]
> Servlet.service() for servlet jsp threw exception
> org.apache.jasper.JasperException
>       at
> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:254)
>       at
> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
>       at
> org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
>       at
> javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
>       at
> org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:684)
>       at
> org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:432)
>       at
> org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:356)
>       at
> org.apache.catalina.valves.ErrorDispatcherValve.custom(ErrorDispatcherValve.java:420)
>       at
> org.apache.catalina.valves.ErrorDispatcherValve.throwable(ErrorDispatcherValve.java:258)
>       at
> org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:179)
>       at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
>       at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
>       at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
>       at
> org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:65)
>       at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
>       at
> org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:577)
>       at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
>       at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
>       at
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
>       at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
>       at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
>       at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
>       at
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
>       at
> org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:197)
>       at
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:781)
>       at
> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:549)
>       at
> org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:605)
>       at
> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:677)
>       at java.lang.Thread.run(Thread.java:534)
> 2005-04-21 17:26:16,765 ERROR
> [org.jboss.web.localhost.Engine] ----- Root Cause
> -----
> java.lang.NullPointerException
>       at
> javax.faces.webapp.UIComponentTag.setupResponseWriter(UIComponentTag.java:646)
>       at
> javax.faces.webapp.UIComponentTag.doStartTag(UIComponentTag.java:254)
>       at
> org.apache.jsp.error_jsp._jspx_meth_h_panelGrid_0(error_jsp.java:114)
>       at
> org.apache.jsp.error_jsp._jspService(error_jsp.java:88)
>       at
> org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:137)
>       at
> javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
>       at
> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:210)
>       at
> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
>       at
> org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
>       at
> javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
>       at
> org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:684)
>       at
> org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:432)
>       at
> org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:356)
>       at
> org.apache.catalina.valves.ErrorDispatcherValve.custom(ErrorDispatcherValve.java:420)
>       at
> org.apache.catalina.valves.ErrorDispatcherValve.throwable(ErrorDispatcherValve.java:258)
>       at
> org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:179)
>       at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
>       at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
>       at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
>       at
> org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:65)
>       at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
>       at
> org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:577)
>       at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
>       at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
>       at
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
>       at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
>       at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
>       at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
>       at
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
>       at
> org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:197)
>       at
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:781)
>       at
> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:549)
>       at
> org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:605)
>       at
> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:677)
>       at java.lang.Thread.run(Thread.java:534)
> 2005-04-21 17:26:16,765 ERROR
> [org.jboss.web.localhost.Engine]
> ErrorDispatcherValve[localhost]: Exception Processing
> ErrorPage[exceptionType=java.lang.Exception,
> location=/general/error.jsp]
> org.apache.jasper.JasperException
>       at
> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:254)
>       at
> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
>       at
> org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
>       at
> javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
>       at
> org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:684)
>       at
> org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:432)
>       at
> org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:356)
>       at
> org.apache.catalina.valves.ErrorDispatcherValve.custom(ErrorDispatcherValve.java:420)
>       at
> org.apache.catalina.valves.ErrorDispatcherValve.throwable(ErrorDispatcherValve.java:258)
>       at
> org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:179)
>       at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
>       at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
>       at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
>       at
> org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:65)
>       at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
>       at
> org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:577)
>       at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
>       at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
>       at
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
>       at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
>       at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
>       at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
>       at
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
>       at
> org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:197)
>       at
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:781)
>       at
> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:549)
>       at
> org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:605)
>       at
> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:677)
>       at java.lang.Thread.run(Thread.java:534)
> 2005-04-21 17:26:16,765 ERROR
> [org.jboss.web.localhost.Engine] ----- Root Cause
> -----
> java.lang.NullPointerException
>       at
> javax.faces.webapp.UIComponentTag.setupResponseWriter(UIComponentTag.java:646)
>       at
> javax.faces.webapp.UIComponentTag.doStartTag(UIComponentTag.java:254)
>       at
> org.apache.jsp.error_jsp._jspx_meth_h_panelGrid_0(error_jsp.java:114)
>       at
> org.apache.jsp.error_jsp._jspService(error_jsp.java:88)
>       at
> org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:137)
>       at
> javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
>       at
> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:210)
>       at
> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
>       at
> org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
>       at
> javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
>       at
> org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:684)
>       at
> org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:432)
>       at
> org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:356)
>       at
> org.apache.catalina.valves.ErrorDispatcherValve.custom(ErrorDispatcherValve.java:420)
>       at
> org.apache.catalina.valves.ErrorDispatcherValve.throwable(ErrorDispatcherValve.java:258)
>       at
> org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:179)
>       at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
>       at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
>       at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
>       at
> org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:65)
>       at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
>       at
> org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:577)
>       at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
>       at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
>       at
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
>       at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
>       at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
>       at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
>       at
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
>       at
> org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:197)
>       at
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:781)
>       at
> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:549)
>       at
> org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:605)
>       at
> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:677)
>       at java.lang.Thread.run(Thread.java:534)
> 
> 
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