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Volker Malzahn commented on TRINIDAD-2059: ------------------------------------------ Is it possible to include the attached patch and make a version 2.0.0-beta-3 soon? I'm wating for a version containing this path. Regards, Volker > NPE in CoreResponseStateManager._restoreSerializedView > ------------------------------------------------------ > > Key: TRINIDAD-2059 > URL: https://issues.apache.org/jira/browse/TRINIDAD-2059 > Project: MyFaces Trinidad > Issue Type: Bug > Components: Components > Affects Versions: 2.0.0-beta-2 > Environment: WinXP, IE 8, Firefox 3.6, Tomcat 5.5, Spring Web Flow > 2.3.0, Mojarra 2.0.2-FCS > Reporter: Volker Malzahn > Assignee: Scott O'Bryan > Fix For: 2.0.0-beta-3 > > Attachments: CoreResponseStateManager.java > > > When Trinidad runs inside Mojarra and Sping Web Flow (SWF) a > Nullpointerexception occurs when the "redirect after post" GET request is > executed for a postBack: > Caused by: java.lang.NullPointerException > at java.io.StringReader.<init>(StringReader.java:33) > at > org.apache.myfaces.trinidadinternal.renderkit.core.CoreResponseStateManager._restoreSerializedView(CoreResponseStateManager.java:279) > at > org.apache.myfaces.trinidadinternal.renderkit.core.CoreResponseStateManager.getTreeStructureToRestore(CoreResponseStateManager.java:146) > at > org.apache.myfaces.trinidadinternal.application.StateManagerImpl.restoreView(StateManagerImpl.java:584) > at > org.springframework.faces.webflow.FlowViewStateManager.restoreView(FlowViewStateManager.java:195) > at > com.sun.faces.application.view.ViewHandlingStrategy.restoreView(ViewHandlingStrategy.java:131) > at > com.sun.faces.application.view.FaceletViewHandlingStrategy.restoreView(FaceletViewHandlingStrategy.java:430) > at > com.sun.faces.application.view.MultiViewHandler.restoreView(MultiViewHandler.java:143) > at > org.springframework.faces.webflow.FlowViewHandler.restoreFlowView(FlowViewHandler.java:144) > at > org.springframework.faces.webflow.FlowViewHandler.restoreView(FlowViewHandler.java:83) > at > javax.faces.application.ViewHandlerWrapper.restoreView(ViewHandlerWrapper.java:288) > at > org.apache.myfaces.trinidadinternal.application.ViewHandlerImpl.restoreView(ViewHandlerImpl.java:242) > at > org.springframework.faces.webflow.FlowViewHandler.restoreFlowView(FlowViewHandler.java:144) > at > org.springframework.faces.webflow.FlowViewHandler.restoreView(FlowViewHandler.java:83) > at > org.springframework.faces.webflow.JsfViewFactory.getView(JsfViewFactory.java:105) > at > org.springframework.webflow.engine.ViewState.resume(ViewState.java:193) > at org.springframework.webflow.engine.Flow.resume(Flow.java:545) > The reason is that in "String stateString = _getStateString(external);" null > is returned (because the GET request of SWF doesn't contain the request > parameter "javax.faces.ViewState"). > CoreResponseStateManager._restoreSerializedView should become null save by > putting a "if (stateString != null) {" before the "StringReader sr = new > StringReader(stateString);". > Is it possible to restore the view if we don't have a request parameter > "javax.faces.ViewState" so that the component tree doesn't need to be built > again in the GET request when emedded into SWF? -- This message is automatically generated by JIRA. For more information on JIRA, see: http://www.atlassian.com/software/jira