can you file a bug in our jira + the required info? -M
On Mon, Oct 25, 2010 at 3:52 PM, Micah Klitgaard <m...@micah-co.com> wrote: > Thanks for the input! > but it wouldn't cause a NullPointerException - "messageHello null!" would be > displayed. Not nice though... > > > > > > -----Original Message----- > From: Richard Yee > Sent: 25. oktober 2010 04:12 > To: MyFaces Discussion > Cc: <users@myfaces.apache.org> > Subject: Re: NullPointerException in trinidadinternal [TRINIDAD] > > I think name is null in your sayHello method. > > Richard > > Sent from my iPhone > > On Oct 24, 2010, at 5:06 PM, "Micah Klitgaard" <m...@micah-co.com> wrote: > >> Hi, >> >> >> >> I have been searching the forum but haven't found any hints on what's > wrong >> and the reason why this exception is thrown. >> >> The example I provided is cut down to the basics. An action returning null >> or "" should be possible right? >> >> >> >> I would really appreciate if someone could take a look into this. Thanks! >> >> >> >> jdk1.6.0_21 >> >> myfaces-core-2.0.1-bin\lib\commons-beanutils-1.7.0.jar >> >> myfaces-core-2.0.1-bin\lib\commons-codec-1.3.jar >> >> myfaces-core-2.0.1-bin\lib\commons-collections-3.2.jar >> >> myfaces-core-2.0.1-bin\lib\commons-digester-1.8.jar >> >> myfaces-core-2.0.1-bin\lib\commons-discovery-0.4.jar >> >> myfaces-core-2.0.1-bin\lib\commons-logging-1.1.1.jar >> >> myfaces-core-2.0.1-bin\lib\myfaces-api-2.0.1.jar >> >> myfaces-core-2.0.1-bin\lib\myfaces-impl-2.0.1.jar >> >> jakarta-taglibs-standard-1.1.2\lib\jstl.jar >> >> jakarta-taglibs-standard-1.1.2\lib\standard.jar >> >> >> >> On apache-tomcat-6.0.29 >> >> >> >> >> >> SEVERE: An exception occurred >> >> javax.faces.FacesException: java.lang.NullPointerException >> >> at >> > org.apache.myfaces.shared_impl.context.ExceptionHandlerImpl.wrap(ExceptionHa >> ndlerImpl.java:241) >> >> at >> > org.apache.myfaces.shared_impl.context.ExceptionHandlerImpl.handle(Exception >> HandlerImpl.java:156) >> >> at >> org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:258) >> >> at >> javax.faces.webapp.FacesServlet.service(FacesServlet.java:191) >> >> at >> > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application >> FilterChain.java:290) >> >> at >> > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh >> ain.java:206) >> >> at >> > org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl( >> TrinidadFilterImpl.java:247) >> >> at >> > org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(Trini >> dadFilterImpl.java:157) >> >> at >> > org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFilter.ja >> va:92) >> >> at >> > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application >> FilterChain.java:235) >> >> at >> > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh >> ain.java:206) >> >> at >> > org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja >> va:233) >> >> at >> > org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.ja >> va:191) >> >> at >> > org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127 >> ) >> >> at >> > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102 >> ) >> >> at >> > org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java >> :109) >> >> at >> > org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298) >> >> at >> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:857) >> >> at >> > org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http >> 11Protocol.java:588) >> >> at >> org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489) >> >> at java.lang.Thread.run(Thread.java:619) >> >> Caused by: java.lang.NullPointerException >> >> at >> > org.apache.myfaces.trinidadinternal.application.StateManagerImpl._removeTran >> sientComponents(StateManagerImpl.java:844) >> >> at >> > org.apache.myfaces.trinidadinternal.application.StateManagerImpl.saveView(St >> ateManagerImpl.java:166) >> >> at >> > org.apache.myfaces.view.facelets.FaceletViewDeclarationLanguage.renderView(F >> aceletViewDeclarationLanguage.java:1170) >> >> at >> > org.apache.myfaces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.ja >> va:264) >> >> at >> > javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.jav >> a:59) >> >> at >> > org.apache.myfaces.trinidadinternal.application.ViewHandlerImpl.renderView(V >> iewHandlerImpl.java:212) >> >> at >> > org.apache.myfaces.lifecycle.RenderResponseExecutor.execute(RenderResponseEx >> ecutor.java:85) >> >> at >> org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:239) >> >> ... 18 more >> >> >> >> >> >> I have briefly included my files: >> >> >> >> commandButton.xhtml >> >> >> >> <ui:composition xmlns="http://www.w3.org/1999/xhtml"; >> >> xmlns:ui="http://java.sun.com/jsf/facelets"; >> >> xmlns:tr="http://myfaces.apache.org/trinidad"; >> >> template="template.xhtml"> >> >> >> >> <ui:define name="centerContents"> >> >> <tr:inputText label="Your name" value="#{commandButtonBean.name}"/> >> >> <!-- commandButtonBean.sayHello causing exception --> >> >> <tr:commandButton text="Say Hello" >> action="#{commandButtonBean.sayHello}"/> >> >> >> >> <tr:commandButton text="Go to page1.xhtml" action="success"/> >> >> <tr:commandButton text="Go to gpstracer" action="gpstracer"/> >> >> <tr:outputText value="#{commandButtonBean.message}"/> >> </ui:define> >> >> >> >> </ui:composition> >> >> >> >> >> >> faces-config.xml >> >> <faces-config xmlns="http://java.sun.com/xml/ns/javaee"; >> >> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; >> >> xsi:schemaLocation="http://java.sun.com/xml/ns/javaee >> http://java.sun.com/xml/ns/javaee/web-facesconfig_2_0.xsd"; >> >> version="2.0"> >> >> >> >> <application> >> >> <!-- Use the Trinidad RenderKit --> >> >> <default-render-kit-id> >> >> org.apache.myfaces.trinidad.core >> >> </default-render-kit-id> >> >> ... >> >> <navigation-rule> >> >> <from-view-id>/pages/commandButton.xhtml</from-view-id> >> >> <navigation-case> >> >> <from-outcome>success</from-outcome> >> >> <to-view-id>/page1.xhtml</to-view-id> >> >> <redirect/> >> >> </navigation-case> >> >> <navigation-case> >> >> <from-outcome>gpstracer</from-outcome> >> >> <to-view-id>/pages/gpstracer.xhtml</to-view-id> >> >> <redirect/> >> >> </navigation-case> >> >> </navigation-rule> >> >> ... >> >> >> >> >> >> CommandButtonBean.java >> >> ... >> >> public String sayHello() { >> >> message="Hello "+name+"!"; >> >> return null; >> >> } >> >> ... >> >> >> >> >> >> template.xml >> >> >> >> <?xml version="1.0" encoding="UTF-8"?> >> >> <tr:document xmlns:ui="http://java.sun.com/jsf/facelets"; >> >> xmlns:h="http://java.sun.com/jsf/html"; >> >> xmlns:f="http://java.sun.com/jsf/core"; >> >> xmlns:c="http://java.sun.com/jstl/core"; >> >> xmlns:tr="http://myfaces.apache.org/trinidad"; >> >> xmlns:trh="http://myfaces.apache.org/trinidad/html";> >> >> >> >> <f:facet name="metaContainer"> >> >> <meta name="title" content="navigationHandler.currentPageTitle"/> >> >> <meta name="robots" content="index, follow"/> >> >> </f:facet> >> >> >> >> <tr:form id="mainForm"> >> >> <div class="centerContents"> >> >> <ui:insert name="centerContents"/> >> >> </div> >> >> </tr:form> >> >> <ui:debug/> >> >> >> >> </tr:document> >> >> >> >> -Micah >> > > -- Matthias Wessendorf blog: http://matthiaswessendorf.wordpress.com/ sessions: http://www.slideshare.net/mwessendorf twitter: http://twitter.com/mwessendorf
