[jbpm-users] [JBoss jBPM] - GRAVE: Error Rendering View[/sa/procins.xhtml]

Hello!! I get an exception when I want examine an instance of a process deployed and I don't know why. Could someone explain me a bit?? Thanks | 2009-02-21 18:01:32,546 ERROR [STDERR] 21-feb-2009 18:01:32 com.sun.facelets.FaceletViewHandler handleRenderException | GRAVE: Error Rendering View[/sa/procins.xhtml] | java.lang.NullPointerException | at java.lang.String.compareTo(String.java:1168) | at java.lang.String.compareTo(String.java:92) | at org.jboss.gravel.data.action.SortActionListener$ELComparator.compare(SortActionListener.java:144) | at java.util.Arrays.mergeSort(Arrays.java:1270) | at java.util.Arrays.sort(Arrays.java:1210) | at java.util.Collections.sort(Collections.java:159) | at org.jboss.gravel.data.action.SortActionListener.processAction(SortActionListener.java:83) | at javax.faces.event.ActionEvent.processListener(ActionEvent.java:77) | at javax.faces.component.UIComponentBase.broadcast(UIComponentBase.java:746) | at javax.faces.component.UICommand.broadcast(UICommand.java:368) | at org.jboss.gravel.action.handler.ResponseActionsHandler.onComponentPopulated(ResponseActionsHandler.java:24) | at com.sun.facelets.tag.jsf.ComponentHandler.apply(ComponentHandler.java:180) | at com.sun.facelets.tag.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:47) | at com.sun.facelets.tag.jsf.ComponentHandler.applyNextHandler(ComponentHandler.java:314) | at com.sun.facelets.tag.jsf.ComponentHandler.apply(ComponentHandler.java:169) | at com.sun.facelets.tag.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:47) | at com.sun.facelets.tag.jsf.ComponentHandler.applyNextHandler(ComponentHandler.java:314) | at com.sun.facelets.tag.jsf.ComponentHandler.apply(ComponentHandler.java:169) | at org.jboss.gravel.common.handler.CollectionHandler.applyNextHandler(CollectionHandler.java:155) | at com.sun.facelets.tag.jsf.ComponentHandler.apply(ComponentHandler.java:169) | at com.sun.facelets.tag.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:47) | at com.sun.facelets.tag.jsf.ComponentHandler.applyNextHandler(ComponentHandler.java:314) | at com.sun.facelets.tag.jsf.ComponentHandler.apply(ComponentHandler.java:169) | at com.sun.facelets.tag.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:47) | at com.sun.facelets.tag.jsf.ComponentHandler.applyNextHandler(ComponentHandler.java:314) | at com.sun.facelets.tag.jsf.ComponentHandler.apply(ComponentHandler.java:169) | at com.sun.facelets.compiler.NamespaceHandler.apply(NamespaceHandler.java:49) | at com.sun.facelets.compiler.EncodingHandler.apply(EncodingHandler.java:25) | at com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:248) | at com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:294) | at com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:273) | at com.sun.facelets.impl.DefaultFaceletContext.includeFacelet(DefaultFaceletContext.java:143) | at com.sun.facelets.tag.ui.DecorateHandler.apply(DecorateHandler.java:105) | at com.sun.facelets.tag.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:47) | at com.sun.facelets.tag.jsf.ComponentHandler.applyNextHandler(ComponentHandler.java:314) | at com.sun.facelets.tag.jsf.ComponentHandler.apply(ComponentHandler.java:169) | at com.sun.facelets.tag.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:47) | at com.sun.facelets.tag.jsf.ComponentHandler.applyNextHandler(ComponentHandler.java:314) | at com.sun.facelets.tag.jsf.ComponentHandler.apply(ComponentHandler.java:169) | at com.sun.facelets.tag.ui.DefineHandler.apply(DefineHandler.java:58) | at com.sun.facelets.tag.ui.CompositionHandler.apply(CompositionHandler.java:128) | at com.sun.facelets.impl.DefaultFaceletContext$TemplateManager.apply(DefaultFaceletContext.java:306) | at com.sun.facelets.impl.DefaultFaceletContext.includeDefinition(DefaultFaceletContext.java:279) | at com.sun.facelets.tag.ui.InsertHandler.apply(InsertHandler.java:68) | at com.sun.facelets.tag.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:47) | at com.sun.facelets.compiler.NamespaceHandler.apply(NamespaceHandler.java:49) | at com.sun.facelets.tag.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:47) | at com.sun.facelets.compiler.EncodingHandler.apply(EncodingHandler.java:25) | at com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:248) | at com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:294) | at com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:273) | at com.sun.facelets.impl.DefaultFaceletContext.includeFacelet(DefaultFaceletContext.java:143) | at com.sun.facelets.tag.ui.CompositionHandler.apply(CompositionHandler.java:113) | at com.sun.facelets.compiler.NamespaceHandler.apply(NamespaceHandler.java:49) | at com.sun.facelets.compiler.EncodingHandler.apply(EncodingHandler.java:25) | at com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:248) | at com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:294) | at com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:273) | at com.sun.facelets.impl.DefaultFaceletContext.includeFacelet(DefaultFaceletContext.java:143) | at com.sun.facelets.tag.ui.CompositionHandler.apply(CompositionHandler.java:113) | at com.sun.facelets.compiler.NamespaceHandler.apply(NamespaceHandler.java:49) | at com.sun.facelets.compiler.EncodingHandler.apply(EncodingHandler.java:25) | at com.sun.facelets.impl.DefaultFacelet.apply(DefaultFacelet.java:95) | at com.sun.facelets.FaceletViewHandler.buildView(FaceletViewHandler.java:503) | at com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:546) | at javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:178) | at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:106) | at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251) | at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:144) | at javax.faces.webapp.FacesServlet.service(FacesServlet.java:245) | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) | at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) | at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230) | at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) | at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179) | at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:524) | at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84) | at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) | at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) | at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157) | at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) | at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262) | at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844) | at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) | at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446) | at java.lang.Thread.run(Thread.java:619) | 2009-02-21 18:01:32,546 WARN [javax.enterprise.resource.webcontainer.jsf.lifecycle] executePhase(RENDER_RESPONSE 6,com.sun.faces.context.FacesContextImpl@1defb61) threw exception | java.lang.NullPointerException | at java.lang.String.compareTo(String.java:1168) | at java.lang.String.compareTo(String.java:92) | at org.jboss.gravel.data.action.SortActionListener$ELComparator.compare(SortActionListener.java:144) | at java.util.Arrays.mergeSort(Arrays.java:1270) | at java.util.Arrays.sort(Arrays.java:1210) | at java.util.Collections.sort(Collections.java:159) | at org.jboss.gravel.data.action.SortActionListener.processAction(SortActionListener.java:83) | at javax.faces.event.ActionEvent.processListener(ActionEvent.java:77) | at javax.faces.component.UIComponentBase.broadcast(UIComponentBase.java:746) | at javax.faces.component.UICommand.broadcast(UICommand.java:368) | at org.jboss.gravel.action.handler.ResponseActionsHandler.onComponentPopulated(ResponseActionsHandler.java:24) | at com.sun.facelets.tag.jsf.ComponentHandler.apply(ComponentHandler.java:180) | at com.sun.facelets.tag.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:47) | at com.sun.facelets.tag.jsf.ComponentHandler.applyNextHandler(ComponentHandler.java:314) | at com.sun.facelets.tag.jsf.ComponentHandler.apply(ComponentHandler.java:169) | at com.sun.facelets.tag.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:47) | at com.sun.facelets.tag.jsf.ComponentHandler.applyNextHandler(ComponentHandler.java:314) | at com.sun.facelets.tag.jsf.ComponentHandler.apply(ComponentHandler.java:169) | at org.jboss.gravel.common.handler.CollectionHandler.applyNextHandler(CollectionHandler.java:155) | at com.sun.facelets.tag.jsf.ComponentHandler.apply(ComponentHandler.java:169) | at com.sun.facelets.tag.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:47) | at com.sun.facelets.tag.jsf.ComponentHandler.applyNextHandler(ComponentHandler.java:314) | at com.sun.facelets.tag.jsf.ComponentHandler.apply(ComponentHandler.java:169) | at com.sun.facelets.tag.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:47) | at com.sun.facelets.tag.jsf.ComponentHandler.applyNextHandler(ComponentHandler.java:314) | at com.sun.facelets.tag.jsf.ComponentHandler.apply(ComponentHandler.java:169) | at com.sun.facelets.compiler.NamespaceHandler.apply(NamespaceHandler.java:49) | at com.sun.facelets.compiler.EncodingHandler.apply(EncodingHandler.java:25) | at com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:248) | at com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:294) | at com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:273) | at com.sun.facelets.impl.DefaultFaceletContext.includeFacelet(DefaultFaceletContext.java:143) | at com.sun.facelets.tag.ui.DecorateHandler.apply(DecorateHandler.java:105) | at com.sun.facelets.tag.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:47) | at com.sun.facelets.tag.jsf.ComponentHandler.applyNextHandler(ComponentHandler.java:314) | at com.sun.facelets.tag.jsf.ComponentHandler.apply(ComponentHandler.java:169) | at com.sun.facelets.tag.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:47) | at com.sun.facelets.tag.jsf.ComponentHandler.applyNextHandler(ComponentHandler.java:314) | at com.sun.facelets.tag.jsf.ComponentHandler.apply(ComponentHandler.java:169) | at com.sun.facelets.tag.ui.DefineHandler.apply(DefineHandler.java:58) | at com.sun.facelets.tag.ui.CompositionHandler.apply(CompositionHandler.java:128) | at com.sun.facelets.impl.DefaultFaceletContext$TemplateManager.apply(DefaultFaceletContext.java:306) | at com.sun.facelets.impl.DefaultFaceletContext.includeDefinition(DefaultFaceletContext.java:279) | at com.sun.facelets.tag.ui.InsertHandler.apply(InsertHandler.java:68) | at com.sun.facelets.tag.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:47) | at com.sun.facelets.compiler.NamespaceHandler.apply(NamespaceHandler.java:49) | at com.sun.facelets.tag.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:47) | at com.sun.facelets.compiler.EncodingHandler.apply(EncodingHandler.java:25) | at com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:248) | at com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:294) | at com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:273) | at com.sun.facelets.impl.DefaultFaceletContext.includeFacelet(DefaultFaceletContext.java:143) | at com.sun.facelets.tag.ui.CompositionHandler.apply(CompositionHandler.java:113) | at com.sun.facelets.compiler.NamespaceHandler.apply(NamespaceHandler.java:49) | at com.sun.facelets.compiler.EncodingHandler.apply(EncodingHandler.java:25) | at com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:248) | at com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:294) | at com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:273) | at com.sun.facelets.impl.DefaultFaceletContext.includeFacelet(DefaultFaceletContext.java:143) | at com.sun.facelets.tag.ui.CompositionHandler.apply(CompositionHandler.java:113) | at com.sun.facelets.compiler.NamespaceHandler.apply(NamespaceHandler.java:49) | at com.sun.facelets.compiler.EncodingHandler.apply(EncodingHandler.java:25) | at com.sun.facelets.impl.DefaultFacelet.apply(DefaultFacelet.java:95) | at com.sun.facelets.FaceletViewHandler.buildView(FaceletViewHandler.java:503) | at com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:546) | at javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:178) | at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:106) | at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251) | at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:144) | at javax.faces.webapp.FacesServlet.service(FacesServlet.java:245) | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) | at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) | at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230) | at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) | at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179) | at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:524) | at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84) | at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) | at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) | at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157) | at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) | at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262) | at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844) | at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) | at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446) | at java.lang.Thread.run(Thread.java:619) | View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4212036#... 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