You mean that the method _getCurrentNode() returns a null pointer? On the basis of the line numbers in the stack trace and my local checkout of Trinidad 1.0.3 I'll second that. So I will add some debug messages and null pointer checks and ask the customer to use this version instead.
> JETZT ANMELDEN: SunGard FINANZ-TAG 2008 . www.sungard.de/finanztag Complexity, Compliance & Cost: Globale Herausforderungen und lokale Lösungen 22. Oktober 2008 . Frankfurt am Main _______________________________ Think before you print CONFIDENTIALITY: This e-mail (including any attachments) may contain confidential, proprietary and privileged information, and unauthorized disclosure or use is prohibited. If you receive this e-mail in error, please notify the sender and delete this e-mail from your system. SunGard Systeme GmbH Registered Frankfurt am Main, Handelsregister Frankfurt HRB 56839 Geschäftsführer Harold Finders, Thorsten Junike, Dr. Dirk Lüth, Michael Joseph Ruane, Victoria Elizabeth Silbey -----Ursprüngliche Nachricht----- > Von: Andrew Robinson [mailto:[EMAIL PROTECTED] > Gesendet: Mittwoch, 8. Oktober 2008 17:10 > An: MyFaces Discussion > Betreff: Re: [Trinidad] EvaluationException in XMLMenuModel > > The exception is due to the CollectionModel inside the > ChildPropertyTreeModel being null. This is the function that > is returning null (if the stack trace line numbers match the > trunk line > numbers): > > private CollectionModel _getModel() > { > Node node = _getCurrentNode(); > CollectionModel model = node.childModel; > > if (model == null) > { > Object value = getChildData(node.parentData); > model = createChildModel(value); > node.childModel = model; > } > return model; > } > > I don't see how this can return null as the createChildModel > never returns null: > > protected CollectionModel createChildModel(Object childData) > { > CollectionModel model = ModelUtils.toCollectionModel(childData); > model.setRowIndex(-1); > return model; > } > > Can you step through this with a debugger or recompile > trinidad with some System.out.println statements to tell us > what may be going on? > > Also try the latest snapshot and see if that helps (at the > very least it will give us a more accurate set of line numbers). > > -Andrew > > > > On Wed, Oct 8, 2008 at 6:12 AM, Rottstock, Sven > <[EMAIL PROTECTED]> wrote: > > Hi Matthias, > > > > This is exaclty my problem - I'm unable to reproduce this behaviour > > and I cannot imagine in which cases it can occur. So I have no > > test-cases for that. Sorry :-( > > > > Of course, I can add a null pointer check in the code and > can ask the customer to try the fix, but IMO it would be very > interesting why we have a null pointer. It seems that the > model was not correctly created, is it? Furthermore it would > be very interesting why it only happens in a customer > environment and why it is working well for me. > > > > Regards, > > > > Sven > > > >> > > JETZT ANMELDEN: SunGard FINANZ-TAG 2008 . www.sungard.de/finanztag > > Complexity, Compliance & Cost: Globale Herausforderungen und lokale > > Lösungen 22. Oktober 2008 . Frankfurt am Main > > > > _______________________________ > > Think before you print > > CONFIDENTIALITY: This e-mail (including any attachments) > may contain confidential, proprietary and privileged > information, and unauthorized disclosure or use is > prohibited. If you receive this e-mail in error, please > notify the sender and delete this e-mail from your system. > > > > SunGard Systeme GmbH Registered Frankfurt am Main, Handelsregister > > Frankfurt HRB 56839 Geschäftsführer Harold Finders, > Thorsten Junike, > > Dr. Dirk Lüth, Michael Joseph Ruane, Victoria Elizabeth Silbey > > > > -----Ursprüngliche Nachricht----- > >> Von: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > Im Auftrag > >> von Matthias Wessendorf > >> Gesendet: Mittwoch, 8. Oktober 2008 13:11 > >> An: MyFaces Discussion > >> Betreff: Re: [Trinidad] EvaluationException in XMLMenuModel > >> > >> Hi Sven, > >> > >> I see this very *deep* in the stack trace: > >> > >> Caused by: java.lang.NullPointerException > >> at > >> org.apache.myfaces.trinidad.model.ChildPropertyTreeModel._getM > >> odel(Child > >> PropertyTreeModel.java:362) > >> at > >> org.apache.myfaces.trinidad.model.ChildPropertyTreeModel.getRo > >> wCount(Chi > >> ldPropertyTreeModel.java:196) > >> at > >> org.apache.myfaces.trinidad.model.BaseMenuModel.getRowCount(Ba > >> seMenuMode > >> l.java:70) > >> > >> I wonder if you have a (reproducible) test-case for that ? > >> > >> -Matthias > >> > >> On Wed, Oct 8, 2008 at 1:05 PM, Rottstock, Sven > >> <[EMAIL PROTECTED]> wrote: > >> > Hi everybody, > >> > > >> > i have a strange behaviour in my JSF application. For me > all works > >> > fine but some customers get a very sporadic > >> EvaluationException during > >> > page rendering (see the stack trace below). Has anybody any > >> pointers > >> > for me how I can fix the trouble or has somebody the same issue? > >> > > >> > I'm using: > >> > * MyFaces 1.1.5 > >> > * Trinidad 1.0.3 (but IMO it should also happen in newer > versions) > >> > * Facelets 1.1.14 > >> > * Tomcat 5.5 > >> > > >> > SCHWERWIEGEND: Error Rendering View[/portal.xhtml] > >> > javax.faces.el.EvaluationException: /portal.xhtml @44,96 > >> > rendered="#{portalMenuModel.rowCount > 0}": Exception > >> getting value of > >> > property rowCount of base of type : > >> > org.apache.myfaces.trinidad.model.XMLMenuModel > >> > at > >> > > >> com.sun.facelets.el.LegacyValueBinding.getValue(LegacyValueBin > >> ding.java: > >> > 60) > >> > at > >> > > >> > org.apache.myfaces.trinidad.bean.FacesBeanImpl.getProperty(FacesBeanI > >> m > >> > pl > >> > .java:68) > >> > at > >> > > >> > org.apache.myfaces.trinidad.component.UIXComponentBase.getBooleanProp > >> e > >> > rt > >> > y(UIXComponentBase.java:1127) > >> > at > >> > > >> > org.apache.myfaces.trinidad.component.UIXComponentBase.isRendered(UIX > >> C > >> > om > >> > ponentBase.java:352) > >> > at > >> > > >> > org.apache.myfaces.trinidad.render.CoreRenderer.getRenderedChildCount > >> ( > >> > Co > >> > reRenderer.java:493) > >> > at > >> > > >> > org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.NavigationPa > >> n > >> > eR > >> > enderer._getItemCount(NavigationPaneRenderer.java:349) > >> > at > >> > > >> > org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.NavigationPa > >> n > >> > eR > >> > enderer.encodeAll(NavigationPaneRenderer.java:92) > >> > at > >> > > >> > org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRendere > >> r > >> > .j > >> > ava:220) > >> > at > >> > > >> > org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXC > >> o > >> > mp > >> > onentBase.java:710) > >> > at > >> > > >> > org.apache.myfaces.trinidad.component.UIXCollection.encodeEnd(UIXColl > >> e > >> > ct > >> > ion.java:525) > >> > at > >> > > >> > org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRende > >> r > >> > er > >> > .java:299) > >> > at > >> > > >> > org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.PanelGroupLa > >> y > >> > ou > >> > tRenderer.encodeChild(PanelGroupLayoutRenderer.java:188) > >> > at > >> > > >> > org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.PanelGroupLa > >> y > >> > ou > >> > tRenderer._encodeChildren(PanelGroupLayoutRenderer.java:154) > >> > at > >> > > >> > org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.PanelGroupLa > >> y > >> > ou > >> > tRenderer.encodeAll(PanelGroupLayoutRenderer.java:106) > >> > at > >> > > >> > org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRendere > >> r > >> > .j > >> > ava:220) > >> > at > >> > > >> > org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXC > >> o > >> > mp > >> > onentBase.java:710) > >> > at > >> > > >> > org.apache.myfaces.trinidad.render.RenderUtils.encodeRecursive(Render > >> U > >> > ti > >> > ls.java:69) > >> > at > >> > > >> > org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRende > >> r > >> > er > >> > .java:294) > >> > at > >> > > >> > org.apache.myfaces.trinidad.render.CoreRenderer.encodeAllChildren(Cor > >> e > >> > Re > >> > nderer.java:316) > >> > at > >> > > >> > org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.PanelPartial > >> R > >> > oo > >> > tRenderer.renderContent(PanelPartialRootRenderer.java:64) > >> > at > >> > > >> > org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.BodyRenderer. > >> > re > >> > nderContent(BodyRenderer.java:139) > >> > at > >> > > >> > org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.PanelPartial > >> R > >> > oo > >> > tRenderer.encodeAll(PanelPartialRootRenderer.java:119) > >> > at > >> > > >> > org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.BodyRenderer. > >> > en > >> > codeAll(BodyRenderer.java:79) > >> > at > >> > > >> > org.apache.myfaces.trinidad.render.CoreRenderer.delegateRenderer(Core > >> R > >> > en > >> > derer.java:330) > >> > at > >> > > >> > org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.DocumentRend > >> e > >> > re > >> > r.encodeAll(DocumentRenderer.java:80) > >> > at > >> > > >> > org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRendere > >> r > >> > .j > >> > ava:220) > >> > at > >> > > >> > org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXC > >> o > >> > mp > >> > onentBase.java:710) > >> > at > >> > > >> > com.sun.facelets.tag.jsf.ComponentSupport.encodeRecursive(ComponentSu > >> p > >> > po > >> > rt.java:252) > >> > at > >> > > >> > com.sun.facelets.tag.jsf.ComponentSupport.encodeRecursive(ComponentSu > >> p > >> > po > >> > rt.java:249) > >> > at > >> > > >> > com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.jav > >> a > >> > :5 > >> > 94) > >> > at > >> > > >> > org.apache.myfaces.trinidadinternal.application.ViewHandlerImpl.rende > >> r > >> > Vi > >> > ew(ViewHandlerImpl.java:182) > >> > at > >> > > >> > org.apache.myfaces.lifecycle.RenderResponseExecutor.execute(RenderRes > >> p > >> > on > >> > seExecutor.java:41) > >> > at > >> > > >> > org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java: > >> 1 > >> > 32 > >> > ) > >> > at > >> > javax.faces.webapp.FacesServlet.service(FacesServlet.java:140) > >> > at > >> > > >> > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl > >> i > >> > ca > >> > tionFilterChain.java:252) > >> > at > >> > > >> > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF > >> i > >> > lt > >> > erChain.java:173) > >> > at > >> > > >> > org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(Extensions > >> F > >> > il > >> > ter.java:147) > >> > at > >> > > >> > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl > >> i > >> > ca > >> > tionFilterChain.java:202) > >> > at > >> > > >> > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF > >> i > >> > lt > >> > erChain.java:173) > >> > at > >> > > >> > org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterL > >> i > >> > st > >> > Chain.doFilter(TrinidadFilterImpl.java:293) > >> > at > >> > > >> > org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._invoke > >> D > >> > oF > >> > ilter(TrinidadFilterImpl.java:253) > >> > at > >> > > >> > org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilt > >> e > >> > rI > >> > mpl(TrinidadFilterImpl.java:210) > >> > at > >> > > >> > org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilte > >> r > >> > (T > >> > rinidadFilterImpl.java:164) > >> > at > >> > > >> > org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFi > >> l > >> > te > >> > r.java:92) > >> > at > >> > > >> > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl > >> i > >> > ca > >> > tionFilterChain.java:202) > >> > at > >> > > >> > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF > >> i > >> > lt > >> > erChain.java:173) > >> > at > >> > > >> > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl > >> i > >> > ca > >> > tionFilterChain.java:202) > >> > at > >> > > >> > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF > >> i > >> > lt > >> > erChain.java:173) > >> > at > >> > > >> > org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperV > >> a > >> > lv > >> > e.java:213) > >> > at > >> > > >> > org.apache.catalina.core.StandardContextValve.invoke(StandardContextV > >> a > >> > lv > >> > e.java:178) > >> > at > >> > > >> > org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.j > >> a > >> > va > >> > :126) > >> > at > >> > > >> > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.j > >> a > >> > va > >> > :105) > >> > at > >> > > >> org.apache.catalina.core.StandardEngineValve.invoke(StandardEn > >> gineValve. > >> > java:107) > >> > at > >> > > >> > org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.jav > >> a > >> > :1 > >> > 48) > >> > at > >> > > >> > org.apache.coyote.http11.Http11Processor.process(Http11Processor.java: > >> > 86 > >> > 9) > >> > at > >> > > >> > org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.p > >> r > >> > oc > >> > essConnection(Http11BaseProtocol.java:664) > >> > at > >> > > >> > org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpo > >> i > >> > nt > >> > .java:527) > >> > at > >> > > >> > org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFol > >> l > >> > ow > >> > erWorkerThread.java:80) > >> > at > >> > > >> > org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadP > >> o > >> > ol > >> > .java:684) > >> > at java.lang.Thread.run(Unknown Source) Caused by: > >> > javax.faces.el.EvaluationException: Bean: > >> > org.apache.myfaces.trinidad.model.XMLMenuModel, > property: rowCount > >> > at > >> > > >> > org.apache.myfaces.el.PropertyResolverImpl.getProperty(PropertyResolv > >> e > >> > rI > >> > mpl.java:461) > >> > at > >> > > >> > org.apache.myfaces.el.PropertyResolverImpl.getValue(PropertyResolverI > >> m > >> > pl > >> > .java:85) > >> > at > >> > > >> > com.sun.facelets.el.LegacyELContext$LegacyELResolver.getValue(LegacyE > >> L > >> > Co > >> > ntext.java:141) > >> > at com.sun.el.parser.AstValue.getValue(AstValue.java:96) > >> > at > >> > com.sun.el.parser.AstGreaterThan.getValue(AstGreaterThan.java:20) > >> > at > >> > > >> > com.sun.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:183) > >> > at > >> > > >> com.sun.facelets.el.TagValueExpression.getValue(TagValueExpres > >> sion.java: > >> > 71) > >> > at > >> > > >> com.sun.facelets.el.LegacyValueBinding.getValue(LegacyValueBin > >> ding.java: > >> > 56) > >> > ... 61 more > >> > Caused by: java.lang.reflect.InvocationTargetException > >> > at > >> sun.reflect.GeneratedMethodAccessor154.invoke(Unknown Source) > >> > at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown > >> > Source) > >> > at java.lang.reflect.Method.invoke(Unknown Source) > >> > at > >> > > >> > org.apache.myfaces.el.PropertyResolverImpl.getProperty(PropertyResolv > >> e > >> > rI > >> > mpl.java:457) > >> > ... 68 more > >> > Caused by: java.lang.NullPointerException > >> > at > >> > > >> > org.apache.myfaces.trinidad.model.ChildPropertyTreeModel._getModel(Ch > >> i > >> > ld > >> > PropertyTreeModel.java:362) > >> > at > >> > > >> > org.apache.myfaces.trinidad.model.ChildPropertyTreeModel.getRowCount( > >> C > >> > hi > >> > ldPropertyTreeModel.java:196) > >> > at > >> > > >> > org.apache.myfaces.trinidad.model.BaseMenuModel.getRowCount(BaseMenuM > >> o > >> > de > >> > l.java:70) > >> > ... 72 more > >> > > >> > Regards, > >> > > >> > Sven > >> > > >> > JETZT ANMELDEN: SunGard FINANZ-TAG 2008 . > www.sungard.de/finanztag > >> > Complexity, Compliance & Cost: Globale Herausforderungen > und lokale > >> > Losungen 22. Oktober 2008 . Frankfurt am Main > >> > > >> > _______________________________ > >> > Think before you print > >> > CONFIDENTIALITY: This e-mail (including any attachments) > >> may contain confidential, proprietary and privileged > information, and > >> unauthorized disclosure or use is prohibited. If you receive this > >> e-mail in error, please notify the sender and delete this > e-mail from > >> your system. > >> > > >> > SunGard Systeme GmbH Registered Frankfurt am Main, > Handelsregister > >> > Frankfurt HRB 56839 Geschaftsfuhrer Harold Finders, > >> Thorsten Junike, > >> > Dr. Dirk Luth, Michael Joseph Ruane, Victoria Elizabeth Silbey > >> > > >> > > >> > > >> > >> > >> > >> -- > >> Matthias Wessendorf > >> > >> blog: http://matthiaswessendorf.wordpress.com/ > >> sessions: http://www.slideshare.net/mwessendorf > >> twitter: http://twitter.com/mwessendorf > >> > > > > >
