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https://issues.apache.org/jira/browse/WICKET-2537?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ann Baert updated WICKET-2537:
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    Attachment: ParentChildPanelExample.zip

> Problem with wicket:extend / wicket:child and ListView on not visible 
> component
> -------------------------------------------------------------------------------
>
>                 Key: WICKET-2537
>                 URL: https://issues.apache.org/jira/browse/WICKET-2537
>             Project: Wicket
>          Issue Type: Bug
>          Components: wicket
>    Affects Versions: 1.4.3
>            Reporter: Ann Baert
>         Attachments: ParentChildPanelExample.zip
>
>
> I have two panels: ChildPanel extends from ParentPanel.
> ParentPanel has a WebMarkupContainer with a <wicket:child>.
> ChildPanel has <wicket:extend> and a repeater like listView of Loop.
> When the WebMarkupContainer from ParentPanel is not visible 
> (setVisible(false)), I receive an error with as message that I have added 
> components in code, but forgot to reference it in markup. He only gives the 
> components from the ChildPanel (in the errorMessage), so the label in the 
> WebMarkupContainer on ParentPanel is no problem. It is also only a problem 
> when it's a repeater, with a label on ChildPanel, there is no problem (when 
> repeater and label, also the label is mentioned in the errorMessage)
> I've made a simple example to make it more clear.

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