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https://issues.apache.org/jira/browse/MYFACES-3604?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13450760#comment-13450760
]
Mike Calmus commented on MYFACES-3604:
--------------------------------------
This exception is because Spring Webflow doesn't yet support JSF partial state
saving. This can be fixed by adding the following context parameter:
<context-param>
<param-name>javax.faces.PARTIAL_STATE_SAVING</param-name>
<param-value>false</param-value>
</context-param>
> NullPointerException in UIComponentBase when used with Trinidad 2.x and
> Spring-webflow
> --------------------------------------------------------------------------------------
>
> Key: MYFACES-3604
> URL: https://issues.apache.org/jira/browse/MYFACES-3604
> Project: MyFaces Core
> Issue Type: Bug
> Affects Versions: 2.1.7
> Environment: Weblogic 11g, MyFaces 2.1.x, Trinidad 2.x, Spring 3.1.x,
> Spring webflow 2.3.x
> Reporter: Mike Calmus
> Priority: Critical
>
> When using the listed configuration a NullPointerException is thrown in
> UIComponentBase when transitioning Spring Webflow states. With the same
> configuration but Trinidad 1.2.x (1.2.11 and 1.2.14 tested), everything works
> fine.
> org.springframework.webflow.execution.FlowExecutionException: Exception
> thrown in state 'start' of flow 'unauthenticated'
> at
> org.springframework.webflow.engine.impl.FlowExecutionImpl.wrap(FlowExecutionImpl.java:571)
> at
> org.springframework.webflow.engine.impl.FlowExecutionImpl.resume(FlowExecutionImpl.java:262)
> at
> org.springframework.webflow.executor.FlowExecutorImpl.resumeExecution(FlowExecutorImpl.java:169)
> at
> org.springframework.webflow.mvc.servlet.FlowHandlerAdapter.handle(FlowHandlerAdapter.java:183)
> at
> org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:923)
> at
> org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:852)
> at
> org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882)
> at
> org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:789)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
> at
> weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
> at
> weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
> at
> weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:300)
> at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
> at
> weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
> at
> org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:293)
> at
> org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(TrinidadFilterImpl.java:199)
> at
> org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFilter.java:92)
> at
> weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
> at
> mil.osd.dmdc.deers.applicationsecurity.policyagent.filter.AbstractConsentFilter.doFilter(AbstractConsentFilter.java:114)
> at
> weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
> at
> mil.osd.dmdc.ctis.rss.server.InputDateFilter.doFilter(InputDateFilter.java:46)
> at
> weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
> at
> mil.osd.dmdc.ctis.rss.server.AuditTransactionErrorHandlingFilter.doFilter(AuditTransactionErrorHandlingFilter.java:40)
> at
> weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
> at
> weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27)
> at
> weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
> at
> weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3715)
> at
> weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3681)
> at
> weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
> at
> weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
> at
> weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2277)
> at
> weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2183)
> at
> weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1454)
> at weblogic.work.ExecuteThread.execute(ExecuteThread.java:209)
> at weblogic.work.ExecuteThread.run(ExecuteThread.java:178)
> Caused by: java.lang.NullPointerException: state
> at
> javax.faces.component.UIComponentBase.restoreState(UIComponentBase.java:1981)
> at
> javax.faces.component.UIComponentBase.processRestoreState(UIComponentBase.java:1593)
> at
> javax.faces.component.UIComponentBase.processRestoreState(UIComponentBase.java:1608)
> at
> javax.faces.component.UIViewRoot.processRestoreState(UIViewRoot.java:772)
> at
> org.springframework.faces.webflow.FlowViewStateManager.restoreComponentState(FlowViewStateManager.java:78)
> at
> org.springframework.faces.webflow.FlowViewStateManager.restoreView(FlowViewStateManager.java:203)
> at
> org.apache.myfaces.shared.view.ViewDeclarationLanguageBase.restoreView(ViewDeclarationLanguageBase.java:106)
> at
> org.apache.myfaces.view.facelets.FaceletViewDeclarationLanguage.restoreView(FaceletViewDeclarationLanguage.java:2045)
> at
> org.apache.myfaces.trinidadinternal.application.ViewDeclarationLanguageFactoryImpl$ChangeApplyingVDLWrapper.restoreView(ViewDeclarationLanguageFactoryImpl.java:335)
> at
> org.apache.myfaces.application.ViewHandlerImpl.restoreView(ViewHandlerImpl.java:300)
> at
> javax.faces.application.ViewHandlerWrapper.restoreView(ViewHandlerWrapper.java:83)
> 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)
> at
> org.springframework.webflow.engine.impl.FlowExecutionImpl.resume(FlowExecutionImpl.java:258)
> ... 34 more
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