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From "Leonardo Uribe (JIRA)" <...@myfaces.apache.org>
Subject [jira] [Commented] (MYFACES-3189) NavigationHandler: navigation to nonexistent view after ViewExpired throws NPE
Date Wed, 29 Jun 2011 23:37:28 GMT

    [ https://issues.apache.org/jira/browse/MYFACES-3189?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13057551#comment-13057551
] 

Leonardo Uribe commented on MYFACES-3189:
-----------------------------------------

Code commited on MYFACES-3188 to throw ViewNotFoundException, to allow a custom ExceptionHandler
implementation to handle it gracefully. Please check it. If no objections I'll close this
issue soon too.

> NavigationHandler: navigation to nonexistent view after ViewExpired throws NPE
> ------------------------------------------------------------------------------
>
>                 Key: MYFACES-3189
>                 URL: https://issues.apache.org/jira/browse/MYFACES-3189
>             Project: MyFaces Core
>          Issue Type: Bug
>    Affects Versions: 2.0.8-SNAPSHOT, 2.1.2-SNAPSHOT
>            Reporter: Martin Kočí
>
> see http://weblogs.java.net/blog/edburns/archive/2009/09/03/dealing-gracefully-viewexpiredexception-jsf2
> If user provides nonexistent viewId, NPE occurs: MYFACES-3188
> navigation in this situation leads to facesContext.viewRoot = null. I don't know what
spec says about it but mojarra stays on current view in this case (navigate?) - on that view,
where VVE is. 
> We should also provide a warning about this situation.

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