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From Matthias We├čendorf (JIRA) <...@myfaces.apache.org>
Subject [jira] Created: (TRINIDAD-1786) Ajax: SelectManyListbox demo gives NPE
Date Wed, 14 Apr 2010 15:45:53 GMT
Ajax: SelectManyListbox demo gives NPE
--------------------------------------

                 Key: TRINIDAD-1786
                 URL: https://issues.apache.org/jira/browse/TRINIDAD-1786
             Project: MyFaces Trinidad
          Issue Type: Bug
          Components: Components
    Affects Versions: 2.0.0.3-core
            Reporter: Matthias We├čendorf


The pprDemos.jspx page has an issue on the selectManyListbox demo. (both myfaces 2.0.0 and
mojarra 2.0.1/2) - Gives an error, like here:

WARNING: java.lang.NullPointerException
javax.faces.el.EvaluationException: java.lang.NullPointerException
	at org.apache.myfaces.trinidadinternal.taglib.util.MethodExpressionMethodBinding.invoke(MethodExpressionMethodBinding.java:58)
	at org.apache.myfaces.trinidad.component.UIXComponentBase.broadcastToMethodBinding(UIXComponentBase.java:1509)
	at org.apache.myfaces.trinidad.component.UIXEditableValue.broadcast(UIXEditableValue.java:224)
	at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:740)
	at javax.faces.component.UIViewRoot.processValidators(UIViewRoot.java:1182)
	at com.sun.faces.lifecycle.ProcessValidationsPhase.execute(ProcessValidationsPhase.java:76)
	at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
	at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:312)
	at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1166)
	at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:247)
	at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(TrinidadFilterImpl.java:157)
	at org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFilter.java:92)
	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
	at org.apache.myfaces.trinidaddemo.webapp.RedirectFilter.doFilter(RedirectFilter.java:97)
	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
	at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:388)
	at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
	at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
	at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
	at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418)
	at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)
	at org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
	at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
	at org.mortbay.jetty.Server.handle(Server.java:326)
	at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:536)
	at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:930)
	at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:747)
	at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218)
	at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:405)
	at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409)
	at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
Caused by: java.lang.NullPointerException
	at org.apache.myfaces.trinidaddemo.PartialDemoUtilBean.valueChanged(PartialDemoUtilBean.java:89)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at com.sun.el.parser.AstValue.invoke(AstValue.java:187)
	at com.sun.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:297)
	at org.apache.myfaces.trinidadinternal.taglib.util.MethodExpressionMethodBinding.invoke(MethodExpressionMethodBinding.java:53)


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