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https://issues.apache.org/jira/browse/MYFACES-1975?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12711978#action_12711978
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Matthias Weßendorf commented on MYFACES-1975:
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can you add this to myfaces 2.0 ?
> HtmlResponseStateManager.getSavedState() should handle
> javax.faces.ViewState=""
> -------------------------------------------------------------------------------
>
> Key: MYFACES-1975
> URL: https://issues.apache.org/jira/browse/MYFACES-1975
> Project: MyFaces Core
> Issue Type: Bug
> Components: General
> Affects Versions: 1.2.3
> Environment: Any
> Reporter: Curtiss Howard
> Assignee: Leonardo Uribe
> Priority: Minor
> Fix For: 1.1.7-SNAPSHOT, 1.2.7-SNAPSHOT
>
> Attachments: MYFACES-1975.patch
>
> Original Estimate: 0.08h
> Remaining Estimate: 0.08h
>
> HtmlResponseStateManager.getSavedState() does not seem to handle the request
> attribute "javax.faces.ViewState" being an empty string. That is to say,
> when the request attribute does not exist, a new state is created, but
> otherwise an attempt is made to reconstruct the view state. In the case that
> the attribute is an empty string, you'll get an exception similar to the
> following:
> javax.faces.FacesException: java.io.EOFException
> at
> org.apache.myfaces.shared_impl.util.StateUtils.getAsObject(StateUtils.java:350)
> at
> org.apache.myfaces.shared_impl.util.StateUtils.reconstruct(StateUtils.java:246)
> at
> org.apache.myfaces.renderkit.html.HtmlResponseStateManager.getSavedState(HtmlResponseStateManager.java:188)
> at
> org.apache.myfaces.renderkit.html.HtmlResponseStateManager.getTreeStructureToRestore(HtmlResponseStateManager.java:149)
> This does not occur on the Sun RI implementation (i.e., it returns a new
> state in this case), and I think due to this being an issue that should be
> handled (and a trivial change to boot) that it should be fixed.
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