[richfaces-issues] [JBoss JIRA] Created: (RF-3576) NullPointerException in AjaxStateManager if using datatable within a form

[Bjoern Eickvonder (JIRA)]

NullPointerException in AjaxStateManager if using datatable within a form
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                 Key: RF-3576
                 URL: http://jira.jboss.com/jira/browse/RF-3576
             Project: RichFaces
          Issue Type: Bug
    Affects Versions: 3.2.1
         Environment: JSF 1.2 (Sun RI), Facelets, Firefox 2, IBM WSA 6.1, Richfaces 3.2.1 CR8
            Reporter: Bjoern Eickvonder


Since at least 3.2.1 CR8 (it did not occur in CR4 or prior) a NullPointerException occurs if using a simple rich:dataTable within a form as follows

<h:form>
	<rich:dataTable value="#{test.list}" var="item">
		<rich:column>
			<h:outputText value="#{item}" />
		</rich:column>
	</rich:dataTable>
</h:form> 

whereby "test" is a request scoped managed bean and "list" a simple list of a few strings. The following exception occurs on accessing that page.

28.05.08 17:01:44:437 CEST] 00000021 viewhandler   E   Error Rendering View[/test.xhtml]
                                 java.lang.NullPointerException
	at org.ajax4jsf.application.AjaxStateManager.getAdditionalState(AjaxStateManager.java:319)
	at org.ajax4jsf.application.AjaxStateManager.getComponentStateToSave(AjaxStateManager.java:155)
	at org.ajax4jsf.application.AjaxStateManager.buildSerializedView(AjaxStateManager.java:274)
	at org.ajax4jsf.application.AjaxStateManager.saveSerializedView(AjaxStateManager.java:257)
	at com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:615)
	at org.ajax4jsf.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:108)
	at org.ajax4jsf.application.AjaxViewHandler.renderView(AjaxViewHandler.java:189)
	at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:110)
	at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
	at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:266)
	at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:966)
	at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:907)
	at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:145)
	at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:154)
	at org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:260)
	at org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:366)
	at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:493)
	at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:190)
	at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:130)
	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:96)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:75)
	at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:190)
	at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:130)
	at de.bw.TimeFilter.doFilter(TimeFilter.java:23)
	at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:190)
	at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:130)
	at com.ibm.ws.webcontainer.filter.WebAppFilterChain._doFilter(WebAppFilterChain.java:87)
	at com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:701)
	at com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:646)
	at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:475)
	at com.ibm.ws.wswebcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:463)
	at com.ibm.ws.webcontainer.servlet.CacheServletWrapper.handleRequest(CacheServletWrapper.java:92)
	at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:744)
	at com.ibm.ws.wswebcontainer.WebContainer.handleRequest(WebContainer.java:1433)
	at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:93)
	at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:465)
	at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewInformation(HttpInboundLink.java:394)
	at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.ready(HttpInboundLink.java:274)
	at com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.sendToDiscriminators(NewConnectionInitialReadCallback.java:214)
	at com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.complete(NewConnectionInitialReadCallback.java:113)
	at com.ibm.ws.tcp.channel.impl.AioReadCompletionListener.futureCompleted(AioReadCompletionListener.java:152)
	at com.ibm.io.async.AbstractAsyncFuture.invokeCallback(AbstractAsyncFuture.java:213)
	at com.ibm.io.async.AbstractAsyncFuture.fireCompletionActions(AbstractAsyncFuture.java:195)
	at com.ibm.io.async.AsyncFuture.completed(AsyncFuture.java:136)
	at com.ibm.io.async.ResultHandler.complete(ResultHandler.java:194)
	at com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHandler.java:741)
	at com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:863)
	at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1510)


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