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Posted to commits@wicket.apache.org by "Juergen Donnerstag (JIRA)" <ji...@apache.org> on 2009/09/17 17:46:57 UTC

[jira] Assigned: (WICKET-2475) NPE after application hot redeployment

     [ https://issues.apache.org/jira/browse/WICKET-2475?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Juergen Donnerstag reassigned WICKET-2475:
------------------------------------------

    Assignee: Juergen Donnerstag

> NPE after application hot redeployment
> --------------------------------------
>
>                 Key: WICKET-2475
>                 URL: https://issues.apache.org/jira/browse/WICKET-2475
>             Project: Wicket
>          Issue Type: Bug
>          Components: wicket
>    Affects Versions: 1.4.0
>         Environment: Linux 2.6.26-2-openvz-amd64 #1 SMP Wed Aug 19 23:15:49 UTC 2009 x86_64 GNU/Linux
> resin 3.2
>            Reporter: Joseph Pachod
>            Assignee: Juergen Donnerstag
>            Priority: Minor
>
> After redeploying by simpling pasting the new war in the webapps folder, I could 2/3 clicks and then I would get the NPE shown under. Note that I could reproduce this bug just by redoing the clicks pattern. I then restarted resin and then tried to hot deploy once again, but the issue didn't reappear.
> Here is the stack trace :
> Unexpected RuntimeException
> WicketMessage: Exception in rendering component: [MarkupContainer [Component id = _header_30]]
> Root cause:
> java.lang.NullPointerException
>      at java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:768)
>      at org.apache.wicket.markup.MarkupCache$DefaultCacheImplementation.get(MarkupCache.java:744)
>      at org.apache.wicket.markup.MarkupCache.removeMarkup(MarkupCache.java:131)
>      at org.apache.wicket.markup.MarkupCache.loadMarkup(MarkupCache.java:491)
>      at org.apache.wicket.markup.MarkupCache.loadMarkupAndWatchForChanges(MarkupCache.java:559)
>      at org.apache.wicket.markup.MarkupCache.getMarkup(MarkupCache.java:325)
>      at org.apache.wicket.markup.MarkupCache.getMarkupStream(MarkupCache.java:216)
>      at org.apache.wicket.MarkupContainer.getAssociatedMarkupStream(MarkupContainer.java:351)
>      at org.apache.wicket.markup.html.ContainerWithAssociatedMarkupHelper.renderHeadFromAssociatedMarkupFile(ContainerWithAssociatedMarkupHelper.java:72)
>      at org.apache.wicket.markup.html.WebMarkupContainerWithAssociatedMarkup.renderHeadFromAssociatedMarkupFile(WebMarkupContainerWithAssociatedMarkup.java:73)
>      at org.apache.wicket.markup.html.panel.Panel.renderHead(Panel.java:137)
>      at org.apache.wicket.markup.html.internal.HtmlHeaderContainer$1.component(HtmlHeaderContainer.java:231)
>      at org.apache.wicket.MarkupContainer.visitChildren(MarkupContainer.java:878)
>      at org.apache.wicket.MarkupContainer.visitChildren(MarkupContainer.java:893)
>      at org.apache.wicket.MarkupContainer.visitChildren(MarkupContainer.java:893)
>      at org.apache.wicket.MarkupContainer.visitChildren(MarkupContainer.java:893)
>      at org.apache.wicket.MarkupContainer.visitChildren(MarkupContainer.java:918)
>      at org.apache.wicket.markup.html.internal.HtmlHeaderContainer.renderHeaderSections(HtmlHeaderContainer.java:222)
>      at org.apache.wicket.markup.html.internal.HtmlHeaderContainer.onComponentTagBody(HtmlHeaderContainer.java:137)
>      at org.apache.wicket.Component.renderComponent(Component.java:2626)
>      at org.apache.wicket.MarkupContainer.onRender(MarkupContainer.java:1536)
>      at org.apache.wicket.Component.render(Component.java:2457)
>      at org.apache.wicket.MarkupContainer.autoAdd(MarkupContainer.java:229)
>      at org.apache.wicket.markup.resolver.HtmlHeaderResolver.resolve(HtmlHeaderResolver.java:80)
>      at org.apache.wicket.MarkupContainer.renderNext(MarkupContainer.java:1441)
>      at org.apache.wicket.MarkupContainer.renderAll(MarkupContainer.java:1552)
>      at org.apache.wicket.Page.onRender(Page.java:1545)
>      at org.apache.wicket.Component.render(Component.java:2457)
>      at org.apache.wicket.Page.renderPage(Page.java:914)
>      at org.apache.wicket.protocol.http.WebRequestCycle.redirectTo(WebRequestCycle.java:166)
>      at org.apache.wicket.request.target.component.PageRequestTarget.respond(PageRequestTarget.java:58)
>      at org.apache.wicket.request.AbstractRequestCycleProcessor.respond(AbstractRequestCycleProcessor.java:105)
>      at org.apache.wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:1249)
>      at org.apache.wicket.RequestCycle.step(RequestCycle.java:1320)
>      at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1419)
>      at org.apache.wicket.RequestCycle.request(RequestCycle.java:545)
>      at org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:456)
>      at org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:289)
>      at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:87)
>      at org.codesmell.jpsak.servlet.EntityManagerFilter.doFilter(EntityManagerFilter.java:40)
>      at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:87)
>      at com.caucho.server.webapp.WebAppFilterChain.doFilter(WebAppFilterChain.java:189)
>      at com.caucho.server.dispatch.ServletInvocation.service(ServletInvocation.java:266)
>      at com.caucho.server.http.HttpRequest.handleRequest(HttpRequest.java:292)
>      at com.caucho.server.port.TcpConnection.handleRequests(TcpConnection.java:577)
>      at com.caucho.server.port.TcpConnection$AcceptTask.doAccept(TcpConnection.java:1211)
>      at com.caucho.server.port.TcpConnection$AcceptTask.run(TcpConnection.java:1152)
>      at com.caucho.util.ThreadPool$Item.runTasks(ThreadPool.java:759)
>      at com.caucho.util.ThreadPool$Item.run(ThreadPool.java:681)
>      at java.lang.Thread.run(Thread.java:619)
> Complete stack:
> org.apache.wicket.WicketRuntimeException: Exception in rendering component: [MarkupContainer [Component id = _header_30]]
>      at org.apache.wicket.Component.renderComponent(Component.java:2665)
>      at org.apache.wicket.MarkupContainer.onRender(MarkupContainer.java:1536)
>      at org.apache.wicket.Component.render(Component.java:2457)
>      at org.apache.wicket.MarkupContainer.autoAdd(MarkupContainer.java:229)
>      at org.apache.wicket.markup.resolver.HtmlHeaderResolver.resolve(HtmlHeaderResolver.java:80)
>      at org.apache.wicket.MarkupContainer.renderNext(MarkupContainer.java:1441)
>      at org.apache.wicket.MarkupContainer.renderAll(MarkupContainer.java:1552)
>      at org.apache.wicket.Page.onRender(Page.java:1545)
>      at org.apache.wicket.Component.render(Component.java:2457)
>      at org.apache.wicket.Page.renderPage(Page.java:914)
>      at org.apache.wicket.protocol.http.WebRequestCycle.redirectTo(WebRequestCycle.java:166)
>      at org.apache.wicket.request.target.component.PageRequestTarget.respond(PageRequestTarget.java:58)
>      at org.apache.wicket.request.AbstractRequestCycleProcessor.respond(AbstractRequestCycleProcessor.java:105)
>      at org.apache.wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:1249)
>      at org.apache.wicket.RequestCycle.step(RequestCycle.java:1320)
>      at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1419)
>      at org.apache.wicket.RequestCycle.request(RequestCycle.java:545)
>      at org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:456)
> display page view
> NB : it was on a page with a Tree if it can help...

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