[jira] [Resolved] (WICKET-6116) Exception 'A child already exists' when backing to a page with some markups in a Border

["Andrea Del Bene (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/WICKET-6116?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrea Del Bene resolved WICKET-6116.
-------------------------------------
    Resolution: Fixed

> Exception 'A child already exists' when backing to a page with some markups in a Border
> ---------------------------------------------------------------------------------------
>
>                 Key: WICKET-6116
>                 URL: https://issues.apache.org/jira/browse/WICKET-6116
>             Project: Wicket
>          Issue Type: Bug
>          Components: wicket
>    Affects Versions: 7.2.0
>         Environment: MacBook Pro, OS X 10.11.3
>            Reporter: GLEDSON BEZERRA DE OLIVEIRA RABELO
>            Assignee: Andrea Del Bene
>             Fix For: 7.3.0, 8.0.0-M1
>
>         Attachments: bordersample.zip
>
>
> The problem is easy to simulate and I am sending an example.
> It occurs when you have a page with border containing an img tag.
> Just leave the page and press the back button and the exception is thrown.
> java.lang.IllegalArgumentException: A child 'TransparentWebMarkupContainer' with id 'wicket_relative_path_prefix_1' already exists:
> [BorderBodyContainer [Component id = myborder_body]]
>      at org.apache.wicket.MarkupContainer.add(MarkupContainer.java:234)
>      at org.apache.wicket.markup.html.border.Border.add(Border.java:227)
>      at org.apache.wicket.markup.html.border.Border.add(Border.java:140)
>      at org.apache.wicket.MarkupContainer.autoAdd(MarkupContainer.java:312)
>      at org.apache.wicket.MarkupContainer.renderNext(MarkupContainer.java:1513)
>      at org.apache.wicket.MarkupContainer.renderAll(MarkupContainer.java:1759)
>      at org.apache.wicket.MarkupContainer.renderComponentTagBody(MarkupContainer.java:1734)
>      at org.apache.wicket.MarkupContainer.renderAssociatedMarkup(MarkupContainer.java:797)
>      at org.apache.wicket.markup.html.panel.AssociatedMarkupSourcingStrategy.renderAssociatedMarkup(AssociatedMarkupSourcingStrategy.java:77)
>      at org.apache.wicket.markup.html.panel.BorderMarkupSourcingStrategy.onComponentTagBody(BorderMarkupSourcingStrategy.java:46)
>      at org.apache.wicket.Component.internalRenderComponent(Component.java:2565)
>      at org.apache.wicket.MarkupContainer.onRender(MarkupContainer.java:1698)
>      at org.apache.wicket.Component.internalRender(Component.java:2380)
>      at org.apache.wicket.Component.render(Component.java:2308)
>      at org.apache.wicket.MarkupContainer.renderNext(MarkupContainer.java:1524)
>      at org.apache.wicket.MarkupContainer.renderAll(MarkupContainer.java:1759)
>      at org.apache.wicket.Page.onRender(Page.java:879)
>      at org.apache.wicket.markup.html.WebPage.onRender(WebPage.java:141)
>      at org.apache.wicket.Component.internalRender(Component.java:2380)
>      at org.apache.wicket.Component.render(Component.java:2308)
>      at org.apache.wicket.Page.renderPage(Page.java:1018)
>      at org.apache.wicket.request.handler.render.WebPageRenderer.renderPage(WebPageRenderer.java:124)
>      at org.apache.wicket.request.handler.render.WebPageRenderer.respond(WebPageRenderer.java:195)
>      at org.apache.wicket.core.request.handler.RenderPageRequestHandler.respond(RenderPageRequestHandler.java:175)
>      at org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:895)
>      at org.apache.wicket.request.RequestHandlerStack.execute(RequestHandlerStack.java:64)
>      at org.apache.wicket.request.cycle.RequestCycle.execute(RequestCycle.java:265)
>      at org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:222)
>      at org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:293)
>      at org.apache.wicket.protocol.http.WicketFilter.processRequestCycle(WicketFilter.java:261)
>      at org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:203)
>      at org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:284)



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)