[richfaces-issues] [JBoss JIRA] Created: (RF-8616) a4j:ajax doesn't work inside a form with prependId=false

Pavol Pitonak (JIRA) jira-events at lists.jboss.org
Thu Apr 22 07:01:10 EDT 2010 

a4j:ajax doesn't work inside a form with prependId=false
--------------------------------------------------------

                 Key: RF-8616
                 URL: https://jira.jboss.org/jira/browse/RF-8616
             Project: RichFaces
          Issue Type: Bug
      Security Level: Public (Everyone can see)
         Environment: JBoss 6 M2, Tomcat 6.0.24, RichFaces 4.0.0-SNAPSHOT
            Reporter: Pavol Pitonak


The following code doesn't work. However, it works fine with f:ajax or if prependId="false" is removed.

<h:form prependId="false">
    <h:outputLabel value="Name:" for="nameInput" />
    <h:inputText id="nameInput" value="#{richBean.name}">
         <a4j:ajax event="keyup" render="output" />
    </h:inputText>
    <h:panelGroup id="output">
        <h:outputText value="Hello #{richBean.name}!" rendered="#{not empty richBean.name}"  />
   </h:panelGroup>
</h:form>


12:57:06,305 INFO  [org.hibernate.validator.engine.resolver.DefaultTraversableResolver] Instantiated an instance of org.hibernate.validator.engine.resolver.JPATraversableResolver.
12:57:06,307 SEVERE [javax.enterprise.resource.webcontainer.jsf.application] Error Rendering View[/index.xhtml]: java.lang.NullPointerException
	at org.ajax4jsf.renderkit.RendererUtils.computeClientId(RendererUtils.java:966)
	at org.ajax4jsf.renderkit.RendererUtils.findComponentsFor(RendererUtils.java:1136)
	at org.richfaces.context.ComponentCallback.doVisit(ComponentCallback.java:108)
	at org.richfaces.context.RenderComponentCallback.doVisit(RenderComponentCallback.java:66)
	at org.richfaces.context.ComponentCallback.visit(ComponentCallback.java:118)
	at com.sun.faces.component.visit.PartialVisitContext.invokeVisitCallback(PartialVisitContext.java:175)
	at javax.faces.component.UIComponent.visitTree(UIComponent.java:1446)
	at javax.faces.component.UIComponent.visitTree(UIComponent.java:1457)
	at javax.faces.component.UIForm.visitTree(UIForm.java:324)
	at javax.faces.component.UIComponent.visitTree(UIComponent.java:1457)
	at javax.faces.component.UIComponent.visitTree(UIComponent.java:1457)
	at org.richfaces.context.PartialViewContextImpl.visitActivatorComponent(PartialViewContextImpl.java:371)
	at org.richfaces.context.PartialViewContextImpl.setupRenderIds(PartialViewContextImpl.java:263)
	at org.richfaces.context.PartialViewContextImpl.processPartialRenderPhase(PartialViewContextImpl.java:196)
	at org.richfaces.context.PartialViewContextImpl.processPartial(PartialViewContextImpl.java:186)
	at javax.faces.component.UIViewRoot.encodeChildren(UIViewRoot.java:989)
	at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1613)
	at com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:369)
	at com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:126)
	at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:127)
	at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
	at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:313)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:336)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:276)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
	at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:183)
	at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:95)
	at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)
	at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)
	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:158)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:368)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:872)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:653)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:951)
	at java.lang.Thread.run(Thread.java:636)

12:57:06,308 ERROR [STDERR] java.lang.NullPointerException
12:57:06,308 ERROR [STDERR] 	at org.ajax4jsf.renderkit.RendererUtils.computeClientId(RendererUtils.java:966)
12:57:06,308 ERROR [STDERR] 	at org.ajax4jsf.renderkit.RendererUtils.findComponentsFor(RendererUtils.java:1136)
12:57:06,308 ERROR [STDERR] 	at org.richfaces.context.ComponentCallback.doVisit(ComponentCallback.java:108)
12:57:06,308 ERROR [STDERR] 	at org.richfaces.context.RenderComponentCallback.doVisit(RenderComponentCallback.java:66)
12:57:06,308 ERROR [STDERR] 	at org.richfaces.context.ComponentCallback.visit(ComponentCallback.java:118)
12:57:06,308 ERROR [STDERR] 	at com.sun.faces.component.visit.PartialVisitContext.invokeVisitCallback(PartialVisitContext.java:175)
12:57:06,308 ERROR [STDERR] 	at javax.faces.component.UIComponent.visitTree(UIComponent.java:1446)
12:57:06,309 ERROR [STDERR] 	at javax.faces.component.UIComponent.visitTree(UIComponent.java:1457)
12:57:06,309 ERROR [STDERR] 	at javax.faces.component.UIForm.visitTree(UIForm.java:324)
12:57:06,309 ERROR [STDERR] 	at javax.faces.component.UIComponent.visitTree(UIComponent.java:1457)
12:57:06,309 ERROR [STDERR] 	at javax.faces.component.UIComponent.visitTree(UIComponent.java:1457)
12:57:06,309 ERROR [STDERR] 	at org.richfaces.context.PartialViewContextImpl.visitActivatorComponent(PartialViewContextImpl.java:371)
12:57:06,309 ERROR [STDERR] 	at org.richfaces.context.PartialViewContextImpl.setupRenderIds(PartialViewContextImpl.java:263)
12:57:06,309 ERROR [STDERR] 	at org.richfaces.context.PartialViewContextImpl.processPartialRenderPhase(PartialViewContextImpl.java:196)
12:57:06,309 ERROR [STDERR] 	at org.richfaces.context.PartialViewContextImpl.processPartial(PartialViewContextImpl.java:186)
12:57:06,309 ERROR [STDERR] 	at javax.faces.component.UIViewRoot.encodeChildren(UIViewRoot.java:989)
12:57:06,310 ERROR [STDERR] 	at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1613)
12:57:06,310 ERROR [STDERR] 	at com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:369)
12:57:06,310 ERROR [STDERR] 	at com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:126)
12:57:06,310 ERROR [STDERR] 	at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:127)
12:57:06,310 ERROR [STDERR] 	at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
12:57:06,310 ERROR [STDERR] 	at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
12:57:06,310 ERROR [STDERR] 	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:313)
12:57:06,310 ERROR [STDERR] 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:336)
12:57:06,310 ERROR [STDERR] 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242)
12:57:06,311 ERROR [STDERR] 	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:276)
12:57:06,311 ERROR [STDERR] 	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
12:57:06,311 ERROR [STDERR] 	at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:183)
12:57:06,311 ERROR [STDERR] 	at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:95)
12:57:06,311 ERROR [STDERR] 	at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)
12:57:06,311 ERROR [STDERR] 	at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)
12:57:06,311 ERROR [STDERR] 	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
12:57:06,311 ERROR [STDERR] 	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
12:57:06,312 ERROR [STDERR] 	at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
12:57:06,312 ERROR [STDERR] 	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
12:57:06,312 ERROR [STDERR] 	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:368)
12:57:06,312 ERROR [STDERR] 	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:872)
12:57:06,312 ERROR [STDERR] 	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:653)
12:57:06,312 ERROR [STDERR] 	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:951)
12:57:06,312 ERROR [STDERR] 	at java.lang.Thread.run(Thread.java:636)
12:57:06,312 ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[localhost].[/jsf2Test].[Faces Servlet]] Servlet.service() for servlet Faces Servlet threw exception: java.lang.NullPointerException
	at java.io.Writer.write(Writer.java:157)
	at com.sun.faces.context.AjaxExceptionHandlerImpl.handlePartialResponseError(AjaxExceptionHandlerImpl.java:200)
	at com.sun.faces.context.AjaxExceptionHandlerImpl.handle(AjaxExceptionHandlerImpl.java:119)
	at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:119)
	at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:313)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:336)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:276)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
	at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:183)
	at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:95)
	at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)
	at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)
	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:158)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:368)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:872)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:653)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:951)
	at java.lang.Thread.run(Thread.java:636)

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