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https://issues.apache.org/jira/browse/MYFACES-3638?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13496608#comment-13496608
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Mark Struberg commented on MYFACES-3638:
----------------------------------------
I've committed a refactoring of that area which solves the key clashes and also
the NPE.
We might additionally add the attached patch, but this needs an in depth review
of the possible error handling scenarios first.
> NPE in ServerSideStateCacheImpl
> -------------------------------
>
> Key: MYFACES-3638
> URL: https://issues.apache.org/jira/browse/MYFACES-3638
> Project: MyFaces Core
> Issue Type: Bug
> Affects Versions: 2.1.9
> Reporter: Mark Struberg
> Assignee: Mark Struberg
> Attachments: MYFACES-3638.patch
>
>
> I'm getting the following NPE when having a request which leads to a 404:
> {code}
> Nov 9 09:00:45 j02 java.lang.NullPointerException
> Nov 9 09:00:45 j02 at
> org.apache.myfaces.renderkit.ServerSideStateCacheImpl$CounterSessionViewStorageFactory.createSerializedViewKey(ServerSideStateCacheImpl.java:1413)
> Nov 9 09:00:45 j02 at
> org.apache.myfaces.renderkit.ServerSideStateCacheImpl$CounterSessionViewStorageFactory.createSerializedViewKey(ServerSideStateCacheImpl.java:1392)
> Nov 9 09:00:45 j02 at
> org.apache.myfaces.renderkit.ServerSideStateCacheImpl.saveSerializedViewInServletSession(ServerSideStateCacheImpl.java:318)
> Nov 9 09:00:45 j02 at
> org.apache.myfaces.renderkit.ServerSideStateCacheImpl.saveSerializedView(ServerSideStateCacheImpl.java:1036)
> Nov 9 09:00:45 j02 at
> org.apache.myfaces.renderkit.html.HtmlResponseStateManager.saveState(HtmlResponseStateManager.java:149)
> Nov 9 09:00:45 j02 at
> org.apache.myfaces.application.StateManagerImpl.saveView(StateManagerImpl.java:253)
> Nov 9 09:00:45 j02 at
> org.apache.myfaces.shared.view.JspViewDeclarationLanguageBase.renderView(JspViewDeclarationLanguageBase.java:221)
> Nov 9 09:00:45 j02 at
> org.apache.myfaces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:285)
> Nov 9 09:00:45 j02 at
> javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:59)
> Nov 9 09:00:45 j02 at
> javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:59)
> Nov 9 09:00:45 j02 at
> javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:59)
> Nov 9 09:00:45 j02 at
> org.apache.myfaces.tomahawk.application.ResourceViewHandlerWrapper.renderView(ResourceViewHandlerWrapper.java:93)
> Nov 9 09:00:45 j02 at
> javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:59)
> Nov 9 09:00:45 j02 at
> org.apache.myfaces.lifecycle.RenderResponseExecutor.execute(RenderResponseExecutor.java:116)
> Nov 9 09:00:45 j02 at
> org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:241)
> Nov 9 09:00:45 j02 at
> org.apache.myfaces.extensions.cdi.jsf2.impl.listener.phase.CodiLifecycleWrapper.render(CodiLifecycleWrapper.java:126)
> Nov 9 09:00:45 j02 at
> javax.faces.webapp.FacesServlet.service(FacesServlet.java:199)
> {code}
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