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https://issues.apache.org/jira/browse/WICKET-6235?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15452662#comment-15452662
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ASF subversion and git services commented on WICKET-6235:
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Commit efa1a6db247b1b5a9818d69d53f65deada047c00 in wicket's branch
refs/heads/wicket-6.x from [~svenmeier]
[ https://git-wip-us.apache.org/repos/asf?p=wicket.git;h=efa1a6d ]
WICKET-6235 visit items in the table body only
> TableTree#updateNode() fails if no corresponding node is visible
> ----------------------------------------------------------------
>
> Key: WICKET-6235
> URL: https://issues.apache.org/jira/browse/WICKET-6235
> Project: Wicket
> Issue Type: Bug
> Components: wicket-extensions
> Affects Versions: 8.0.0-M1, 7.4.0, 6.24.0
> Reporter: Sven Meier
> Assignee: Sven Meier
>
> TableTree#updateNode() tries to locate the corresponding node by visiting all
> Item children. If this node is not visible currently (e.g. because a parental
> node is collapsed), the children visitor runs into the table header (which
> comes after the table body) - causing a ClassCastException when the Item is
> expected to have a NodeModel, which it doesn't inside the header (or footer).
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