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Date: Thu, 18 Sep 2008 09:24:44 -0700 (PDT)
From: "Curtiss Howard (JIRA)" <dev@myfaces.apache.org>
To: dev@myfaces.apache.org
Subject: [jira] Updated: (MYFACES-1975)
 HtmlResponseStateManager.getSavedState() should handle
 javax.faces.ViewState=""
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     [ https://issues.apache.org/jira/browse/MYFACES-1975?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Curtiss Howard updated MYFACES-1975:
------------------------------------

    Status: Patch Available  (was: Open)

> 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
>            Priority: Minor
>   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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