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https://issues.apache.org/jira/browse/MYFACES-3542?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13776393#comment-13776393
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Leonardo Uribe commented on MYFACES-3542:
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It is not solved in JSF 2.2 spec. The spec is silent in this regard. I still
believe this should be discussed on the EG before do anything. Maybe this is
something for 2.3.
> The render attribute of AjaxBehavior should support late value expression
> evaluation
> ------------------------------------------------------------------------------------
>
> Key: MYFACES-3542
> URL: https://issues.apache.org/jira/browse/MYFACES-3542
> Project: MyFaces Core
> Issue Type: New Feature
> Reporter: Bernd Bohmann
> Attachments: late-render-expression-0.png,
> late-render-expression-1.png, late-render-expression-2.png,
> late-render-expression-3.png, late-render-expression-4.png,
> late-render-expression.tgz
>
>
> The render attribute of AjaxBehavior should evaluated during post-back after
> 'Invoke Application' and before 'Render Response'. It's easly to add this
> feature with a own PartialViewContext. But there is no call to processPartial
> with 'Invoke Application'. The Phase 'Render Response' is too late if you are
> using c:if to skip components from the component tree. See attached example
> app and pictures.
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