Hi,

I am getting this error below in jbpm-console in URL:
http://localhost:9090/jbpm-console/app/procins.jsf?id=97

JBoss AS 4.2.3.GA and JBPM 3.3.1.

java.lang.NullPointerException
 java.lang.String.compareTo(String.java:1168)
 java.lang.String.compareTo(String.java:92)
 org.jboss.gravel.data.action.SortActionListener$ELComparator.compare(SortActionListener.java:144)
 java.util.Arrays.mergeSort(Arrays.java:1270)
 java.util.Arrays.sort(Arrays.java:1210)
 java.util.Collections.sort(Collections.java:159)
 org.jboss.gravel.data.action.SortActionListener.processAction(SortActionListener.java:91)
 javax.faces.event.ActionEvent.processListener(ActionEvent.java:88)
 javax.faces.component.UIComponentBase.broadcast(UIComponentBase.java:771)
 javax.faces.component.UICommand.broadcast(UICommand.java:372)
 org.jboss.gravel.action.handler.ResponseActionsHandler.onComponentPopulated(ResponseActionsHandler.java:24)
 com.sun.facelets.tag.jsf.ComponentHandler.apply(ComponentHandler.java:180)
 com.sun.facelets.tag.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:47)
 com.sun.facelets.tag.jsf.ComponentHandler.applyNextHandler(ComponentHandler.java:314)
 com.sun.facelets.tag.jsf.ComponentHandler.apply(ComponentHandler.java:169)
 com.sun.facelets.tag.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:47)
 com.sun.facelets.tag.jsf.ComponentHandler.applyNextHandler(ComponentHandler.java:314)
 com.sun.facelets.tag.jsf.ComponentHandler.apply(ComponentHandler.java:169)
 org.jboss.gravel.common.handler.CollectionHandler.applyNextHandler(CollectionHandler.java:155)
 com.sun.facelets.tag.jsf.ComponentHandler.apply(ComponentHandler.java:169)
 com.sun.facelets.tag.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:47)
 com.sun.facelets.tag.jsf.ComponentHandler.applyNextHandler(ComponentHandler.java:314)
 com.sun.facelets.tag.jsf.ComponentHandler.apply(ComponentHandler.java:169)
 com.sun.facelets.tag.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:47)
 org.jboss.gravel.action.handler.CheckRoleHandler.apply(CheckRoleHandler.java:128)
 com.sun.facelets.tag.jsf.ComponentHandler.applyNextHandler(ComponentHandler.java:314)
 com.sun.facelets.tag.jsf.ComponentHandler.apply(ComponentHandler.java:169)
 com.sun.facelets.compiler.NamespaceHandler.apply(NamespaceHandler.java:49)
 com.sun.facelets.compiler.EncodingHandler.apply(EncodingHandler.java:25)
 com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:248)
 com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:294)
 com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:273)
 com.sun.facelets.impl.DefaultFaceletContext.includeFacelet(DefaultFaceletContext.java:140)
 com.sun.facelets.tag.ui.DecorateHandler.apply(DecorateHandler.java:105)
 com.sun.facelets.tag.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:47)
 com.sun.facelets.tag.jsf.ComponentHandler.applyNextHandler(ComponentHandler.java:314)
 com.sun.facelets.tag.jsf.ComponentHandler.apply(ComponentHandler.java:169)
 com.sun.facelets.tag.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:47)
 com.sun.facelets.tag.jsf.ComponentHandler.applyNextHandler(ComponentHandler.java:314)
 com.sun.facelets.tag.jsf.ComponentHandler.apply(ComponentHandler.java:169)
 com.sun.facelets.tag.ui.DefineHandler.applyDefinition(DefineHandler.java:64)
 com.sun.facelets.tag.ui.CompositionHandler.apply(CompositionHandler.java:131)
 com.sun.facelets.impl.DefaultFaceletContext$TemplateManager.apply(DefaultFaceletContext.java:337)
 com.sun.facelets.impl.DefaultFaceletContext.includeDefinition(DefaultFaceletContext.java:307)
 com.sun.facelets.tag.ui.InsertHandler.apply(InsertHandler.java:68)
 com.sun.facelets.tag.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:47)
 com.sun.facelets.compiler.NamespaceHandler.apply(NamespaceHandler.java:49)
 com.sun.facelets.tag.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:47)
 com.sun.facelets.compiler.EncodingHandler.apply(EncodingHandler.java:25)
 com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:248)
 com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:294)
 com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:273)
 com.sun.facelets.impl.DefaultFaceletContext.includeFacelet(DefaultFaceletContext.java:140)
 com.sun.facelets.tag.ui.CompositionHandler.apply(CompositionHandler.java:113)
 com.sun.facelets.compiler.NamespaceHandler.apply(NamespaceHandler.java:49)
 com.sun.facelets.compiler.EncodingHandler.apply(EncodingHandler.java:25)
 com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:248)
 com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:294)
 com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:273)
 com.sun.facelets.impl.DefaultFaceletContext.includeFacelet(DefaultFaceletContext.java:140)
 com.sun.facelets.tag.ui.CompositionHandler.apply(CompositionHandler.java:113)
 com.sun.facelets.compiler.NamespaceHandler.apply(NamespaceHandler.java:49)
 com.sun.facelets.compiler.EncodingHandler.apply(EncodingHandler.java:25)
 com.sun.facelets.impl.DefaultFacelet.apply(DefaultFacelet.java:95)
 com.sun.facelets.FaceletViewHandler.buildView(FaceletViewHandler.java:524)
 com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:567)
 javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:189)
 com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:109)
 com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
 com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
 javax.faces.webapp.FacesServlet.service(FacesServlet.java:266)
 org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)