DebugBar throws exception with
-------------------------------
Key: WICKET-4258
URL: https://issues.apache.org/jira/browse/WICKET-4258
Project: Wicket
Issue Type: Bug
Components: wicket-devutils
Affects Versions: 1.5.3
Reporter: Juha Syrjälä
Priority: Minor
Clicking Inspector from DebugBar when a FeedbackPanel is displaying a message
results in this stacktrace in log:
ERROR - Component - Error while getting default model object
for Component: [ListItem [Component id = 0, page = com.mycompany.HomePage, path
= 8:form:feedback:feedbackul:messages:0.ListItem, isVisible = true, isVersioned
= false], children = [Component id = message]]
java.lang.IndexOutOfBoundsException: Index: 0
at java.util.Collections$EmptyList.get(Collections.java:3204)
at
org.apache.wicket.markup.html.list.ListItemModel.getObject(ListItemModel.java:58)
at
org.apache.wicket.Component.getDefaultModelObject(Component.java:1640)
at
org.apache.wicket.Component.getDefaultModelObjectAsString(Component.java:1668)
at
org.apache.wicket.markup.html.debug.PageView$4.component(PageView.java:211)
at
org.apache.wicket.markup.html.debug.PageView$4.component(PageView.java:184)
at org.apache.wicket.util.visit.Visits.visitChildren(Visits.java:143)
at org.apache.wicket.util.visit.Visits.visitChildren(Visits.java:161)
at org.apache.wicket.util.visit.Visits.visitChildren(Visits.java:161)
at org.apache.wicket.util.visit.Visits.visitChildren(Visits.java:161)
at org.apache.wicket.util.visit.Visits.visitChildren(Visits.java:161)
at org.apache.wicket.util.visit.Visits.visitChildren(Visits.java:122)
at org.apache.wicket.util.visit.Visits.visitChildren(Visits.java:191)
at
org.apache.wicket.MarkupContainer.visitChildren(MarkupContainer.java:923)
at
org.apache.wicket.markup.html.debug.PageView.getComponentData(PageView.java:182)
at
org.apache.wicket.markup.html.debug.PageView.<init>(PageView.java:130)
at
org.apache.wicket.devutils.inspector.InspectorPage.<init>(InspectorPage.java:66)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:525)
at
org.apache.wicket.session.DefaultPageFactory.newPage(DefaultPageFactory.java:173)
at
org.apache.wicket.session.DefaultPageFactory.newPage(DefaultPageFactory.java:97)
at
org.apache.wicket.session.DefaultPageFactory.newPage(DefaultPageFactory.java:47)
at
org.apache.wicket.DefaultMapperContext.newPageInstance(DefaultMapperContext.java:107)
at
org.apache.wicket.request.handler.PageProvider.resolvePageInstance(PageProvider.java:264)
at
org.apache.wicket.request.handler.PageProvider.getPageInstance(PageProvider.java:165)
at
org.apache.wicket.request.handler.render.PageRenderer.getPage(PageRenderer.java:78)
at
org.apache.wicket.request.handler.render.WebPageRenderer.renderPage(WebPageRenderer.java:105)
at
org.apache.wicket.request.handler.render.WebPageRenderer.respond(WebPageRenderer.java:224)
at
org.apache.wicket.request.handler.RenderPageRequestHandler.respond(RenderPageRequestHandler.java:167)
at
org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:750)
at
org.apache.wicket.request.RequestHandlerStack.execute(RequestHandlerStack.java:64)
at
org.apache.wicket.request.cycle.RequestCycle.execute(RequestCycle.java:252)
at
org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:209)
at
org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:280)
at
org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:162)
at
org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:218)
at
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1326)
at
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:479)
at
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:119)
at
org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:520)
at
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:227)
at
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:940)
at
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:409)
at
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:186)
at
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:874)
at
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117)
at
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:110)
at org.eclipse.jetty.server.Server.handle(Server.java:349)
at
org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.java:441)
at
org.eclipse.jetty.server.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:904)
at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:565)
at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:217)
at
org.eclipse.jetty.server.BlockingHttpConnection.handle(BlockingHttpConnection.java:50)
at
org.eclipse.jetty.server.bio.SocketConnector$ConnectorEndPoint.run(SocketConnector.java:245)
at
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:598)
at
org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:533)
at java.lang.Thread.run(Thread.java:722)
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