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https://issues.apache.org/jira/browse/MYFACES-4120?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16042808#comment-16042808
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Bauke Scholtz commented on MYFACES-4120:
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The problem is not in JavaScript side. It does it all correct. The problem is
in JSF side, it is not "in sync" with JavaScript side. The isResourceRendered()
incorrectly returns false while the resource is rendered in JavaScript side.
And, you got the isRenderAll() backwards. I didn't mean when it returns true
but when it returns false. I.e. there's no renderAll.
> ResourceHandler#markResourceRendered() should be retained during ajax rebuild
> -----------------------------------------------------------------------------
>
> Key: MYFACES-4120
> URL: https://issues.apache.org/jira/browse/MYFACES-4120
> Project: MyFaces Core
> Issue Type: Bug
> Affects Versions: 2.3.0
> Environment: TomEE 7.0.3 with MyFaces 2.3.0-SNAPSHOT
> Reporter: Bauke Scholtz
> Assignee: Leonardo Uribe
>
> While running OmniFaces IT suite on today's MyFaces 2.3.0-SNAPSHOT, I noticed
> a bug in ResourceHandler#isResourceRendered() during an ajax navigation back
> to the same view (more specifically, when FacesContext#setViewRoot() is
> invoked with a new UIViewRoot of same viewId during an ajax postback).
> During restore view phase, all already-rendered resources are correctly
> marked via markResourceRendered(). However, this is in turn stored as a
> transient UIViewRoot attribute. As a consequence, when the UIViewRoot gets
> changed during the very same ajax request, they are all lost, causing
> isResourceRendered() to incorrectly return false.
> Basically, the markResourceRendered() of the previous view should be
> remembered for the next view when PartialViewContext#isAjaxRequest() returns
> true and isRenderAll() returns false.
> In MyFaces 2.2 (and possibly earlier) the behavior of markResourceRendered()
> and isResourceRendered() was internally correctly implemented via
> org.apache.myfaces.RENDERED_SCRIPT_RESOURCES_SET context attribute.
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