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https://issues.apache.org/jira/browse/WICKET-834?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Juergen Donnerstag resolved WICKET-834.
---------------------------------------
Resolution: Fixed
Fix Version/s: 1.3.0-beta3
fixed
> Cannot make border body contents visible once they were hidden
> --------------------------------------------------------------
>
> Key: WICKET-834
> URL: https://issues.apache.org/jira/browse/WICKET-834
> Project: Wicket
> Issue Type: Bug
> Components: wicket
> Affects Versions: 1.3.0-beta2, 1.3.0-beta3
> Reporter: Carlos Pita
> Assignee: Juergen Donnerstag
> Fix For: 1.3.0-beta3
>
> Attachments: border.tgz
>
>
> The attached border shows/hides its content via an ajax event. Once the
> content has been hidden I get the following exception if re-showing it:
> WicketMessage: Exception in rendering component: [MarkupContainer [Component
> id = _body, page = com.livra.web.components.TestHideableBorderPage, path =
> 5:hideable:_body.Border$BorderBodyContainer, isVisible = true, isVersioned =
> true]]
> Root cause:
> java.lang.NullPointerException
> at
> org.apache.wicket.MarkupContainer.renderComponentTagBody(MarkupContainer.java:1366)
> at
> org.apache.wicket.MarkupContainer.onComponentTagBody(MarkupContainer.java:1315)
> at
> org.apache.wicket.markup.html.border.Border$BorderBodyContainer.onComponentTagBody(Border.java:347)
> at org.apache.wicket.Component.renderComponent(Component.java:2181)
> at org.apache.wicket.MarkupContainer.onRender(MarkupContainer.java:1325)
> at org.apache.wicket.Component.render(Component.java:2005)
> at org.apache.wicket.Component.renderComponent(Component.java:2118)
> at
> org.apache.wicket.ajax.AjaxRequestTarget.respondComponent(AjaxRequestTarget.java:772)
> at
> org.apache.wicket.ajax.AjaxRequestTarget.respondComponents(AjaxRequestTarget.java:672)
> at
> org.apache.wicket.ajax.AjaxRequestTarget.respond(AjaxRequestTarget.java:522)
> at
> org.apache.wicket.request.AbstractRequestCycleProcessor.respond(AbstractRequestCycleProcessor.java:103)
> at
> org.apache.wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:1038)
> at org.apache.wicket.RequestCycle.step(RequestCycle.java:1108)
> at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1177)
> at org.apache.wicket.RequestCycle.request(RequestCycle.java:500)
> at org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:261)
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