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https://issues.apache.org/jira/browse/MYFACES-4204?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16409410#comment-16409410
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Werner Punz commented on MYFACES-4204:
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Thanks for the info, I will do an analysis later as my time permits.
My guess is simply that this is a combination of jsf 2.3 in an old portlet
container. We might have to
add a fallback for the old behavior (exec, render targets, and make the current
default of updating all forms under viewroot configurable) which does not rely
on the viewroot always being present...
I will also recheck the specs for this part.
> javax.faces.application.ViewExpiredException: View "/test.xhtml" could not be
> restored.
> ---------------------------------------------------------------------------------------
>
> Key: MYFACES-4204
> URL: https://issues.apache.org/jira/browse/MYFACES-4204
> Project: MyFaces Core
> Issue Type: Bug
> Components: Portlet_Support
> Affects Versions: 2.3.0
> Reporter: Niels Borman
> Assignee: Werner Punz
> Priority: Critical
> Attachments: 1 - pageload.png, 10 - refreshbutton hit - network.png,
> 11 - refreshbutton hit - console.png, 12 - refreshbutton hit - source.png, 2
> - pageload.png, 3 - refreshbutton hit.png, 4 - dialogbutton hit.png, 5 -
> dialogbutton hit - inspect.png, 6 - dialog refreshbutton hit.png, 7 - dialog
> refreshbutton hit - inspect.png, 8 - dialog closebutton hit.png, 9 -
> refreshbutton hit - network.png
>
>
> The problem arises from jsf.js because after an ajax call all
> javax.faces.ViewState hidden inputs are updated. The solution would be to
> update only those hidden inputs (javax.faces.ViewState) which are also within
> a form with the same action as the form in which the ajax call was executed.
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