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https://issues.apache.org/jira/browse/WICKET-6459?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16152950#comment-16152950
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ASF GitHub Bot commented on WICKET-6459:
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Github user disblader closed the pull request at:
https://github.com/apache/wicket/pull/232
> Ajax re-renders of enclosures do not render their children's header
> contributions
> ---------------------------------------------------------------------------------
>
> Key: WICKET-6459
> URL: https://issues.apache.org/jira/browse/WICKET-6459
> Project: Wicket
> Issue Type: Bug
> Components: wicket
> Affects Versions: 8.0.0-M6, 7.8.0
> Reporter: Domas Poliakas
> Assignee: Martin Grigorov
> Priority: Minor
> Fix For: 7.9.0, 8.0.0-M8
>
>
> When a component in an enclosure is added to the AjaxRequestTarget, its (and
> subsequently its children's) header contributions are not rendered.
> AjaxEnclosureListener replaces any components with enclosures that are in the
> target with their enclosures. However, in the wicket hierarchy the enclosures
> appear to be siblings to the components they enclose. What this causes is
> that when the default ChildFirstHeaderRenderStrategy attempts to render the
> header contributions for the enclosure, nothing is rendered as the enclosure
> itself has no children in the hierarchy.
> On one hand, ChildFirstHeaderRenderStrategy seems to be the culprit - it
> should detect enclosures and act accordingly - but fixing the problem there
> would cause it to resurface in the future if the default implementation of
> header render strategy is changed. What would be a correct way fix for this?
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