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https://issues.apache.org/jira/browse/WICKET-993?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12529279
]
Martijn Dashorst commented on WICKET-993:
-----------------------------------------
WicketMessage: The component(s) below failed to render. A common problem is
that you have added a component in code but forgot to reference it in the
markup (thus the component will never be rendered).
1. [Component id = label4, page =
wicket.in.action.chapter06.operations.OperationsPage, path =
6:example3:label4.Label, isVisible = true, isVersioned = false]
Root cause:
org.apache.wicket.WicketRuntimeException: The component(s) below failed to
render. A common problem is that you have added a component in code but forgot
to reference it in the markup (thus the component will never be rendered).
1. [Component id = label4, page =
wicket.in.action.chapter06.operations.OperationsPage, path =
6:example3:label4.Label, isVisible = true, isVersioned = false]
at org.apache.wicket.Page.checkRendering(Page.java:1078)
at org.apache.wicket.Page.renderPage(Page.java:892)
at
org.apache.wicket.request.target.component.BookmarkablePageRequestTarget.respond(BookmarkablePageRequestTarget.java:225)
at
org.apache.wicket.request.AbstractRequestCycleProcessor.respond(AbstractRequestCycleProcessor.java:103)
at
org.apache.wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:1025)
at org.apache.wicket.RequestCycle.step(RequestCycle.java:1094)
at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1173)
at org.apache.wicket.RequestCycle.request(RequestCycle.java:483)
at
org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:277)
at
org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:129)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1041)
at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:354)
at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:226)
at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:627)
at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:141)
at org.mortbay.jetty.Server.handle(Server.java:269)
at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:430)
at
org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:687)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:492)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:199)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:339)
at
org.mortbay.jetty.nio.HttpChannelEndPoint.run(HttpChannelEndPoint.java:270)
at
org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:475)
> wicket:enclosure doesn't work with multiple child components
> ------------------------------------------------------------
>
> Key: WICKET-993
> URL: https://issues.apache.org/jira/browse/WICKET-993
> Project: Wicket
> Issue Type: Bug
> Components: wicket
> Affects Versions: 1.3.0-beta3
> Reporter: Martijn Dashorst
> Fix For: 1.3.0-beta4
>
>
> <div wicket:id="example3">
> <h3>Example 3 using wicket:enclosure</h3>
> <span wicket:id="label1"></span><br />
> <span wicket:id="label2"></span><br />
> <wicket:enclosure child="label3">
> <span wicket:id="label3"></span><br />
> <span wicket:id="label4"></span><br />
> </wicket:enclosure>
> </div>
> WebMarkupContainer example3 = new WebMarkupContainer("example3");
> example3.add(new Label("label1", "label 1"));
> example3.add(new Label("label2", "label 2"));
> example3.add(new Label("label3", "label 3"));
> example3.add(new Label("label4", "label 4"));
> add(example3);
> example3.get("label3").setVisible(false);
> Gives an error that label4 is not added to the page
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