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From "Gabrielle Crawford (JIRA)" <>
Subject [jira] [Created] (TRINIDAD-2134) NullPointerException in StateManagerImpl._calculateTokenStateSaving
Date Tue, 30 Aug 2011 18:37:40 GMT
NullPointerException in StateManagerImpl._calculateTokenStateSaving

                 Key: TRINIDAD-2134
             Project: MyFaces Trinidad
          Issue Type: Bug
    Affects Versions: 2.0.0
            Reporter: Gabrielle Crawford
            Assignee: Gabrielle Crawford

In the fix for this issue

This line of code was added to StateManagerImpl._calculateTokenStateSaving
           UIViewRoot viewRoot = FacesContext.getCurrentInstance().getViewRoot();

However in certain situations we are calling StateManagerImpl.isValidViewStateToken() (which
calls StateManagerImpl._calculateTokenStateSaving) from a servlet filter, which mean the FacesContext
is null. Note that both these methods take the externalContext, and not the FacesContext,
as params.

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