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https://issues.apache.org/jira/browse/WICKET-2478?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Pedro Santos updated WICKET-2478:
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Attachment: patch.txt
> TabbedPanel rendering bug
> ---------------------------
>
> Key: WICKET-2478
> URL: https://issues.apache.org/jira/browse/WICKET-2478
> Project: Wicket
> Issue Type: Bug
> Components: wicket-extensions
> Affects Versions: 1.4.1
> Reporter: Pedro Santos
> Attachments: patch.txt, tabbedpaneltestel.jar
>
>
> In my application I have on TabbedPanel component that has no tab ( will to
> be removed since make no sense ). Any way, at some point I put the component
> to an AjaxRequestTarget response, an when the tabbed panel was re-rendered,
> it throw an java.lang.ArrayIndexOutOfBoundsException: 0 (I'm sending an test
> case attached)
> The problem is that on isTabVisible method, an visibility variable receive
> the visibility on cache using the tabIndex:
> Boolean visible = tabsVisibilityCache[tabIndex];
> at this moment, the tabsVisibility is empty ( and tabIndex == 0 )
> in my workspace I resolve the exception testing the array lenght (I'm sending
> a path)
> Boolean visible = tabsVisibilityCache.length > 0 &&
> tabsVisibilityCache[tabIndex];
> although is an rare occurrence bug, I think wicket should provide an
> solution.
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