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https://issues.apache.org/jira/browse/WICKET-1101?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12537646
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Matej Knopp commented on WICKET-1101:
-------------------------------------

This is kinda weird, can you please create a quickstart? I'll look at that as 
soon as I can reproduce the problem.

> NullPointerException in HybridUrlCodingStrategy
> -----------------------------------------------
>
>                 Key: WICKET-1101
>                 URL: https://issues.apache.org/jira/browse/WICKET-1101
>             Project: Wicket
>          Issue Type: Bug
>          Components: wicket
>    Affects Versions: 1.3.0-beta4
>         Environment: JRE 1.4.2
>            Reporter: Sean Sullivan
>            Assignee: Matej Knopp
>
> There is a bug in the HybridUrlCodingStrategy
> My web page contains some Wicket Ajax components.  When the browser sends a 
> Wicket Ajax request to the server, I get this:
> java.lang.NullPointerException
>      at 
> org.apache.wicket.request.target.coding.HybridUrlCodingStrategy$HybridBookmarkablePageRequestTarget.respond(HybridUrlCodingStrategy.java:813)
>      at 
> org.apache.wicket.request.AbstractRequestCycleProcessor.respond(AbstractRequestCycleProcessor.java:103)
>      at 
> org.apache.wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:1097)
>      at org.apache.wicket.RequestCycle.step(RequestCycle.java:1166)
>      at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1245)
>      at org.apache.wicket.RequestCycle.request(RequestCycle.java:489)
>      at 
> org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:343)
>      at 
> org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:193)
>      at 
> com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:132)
>      at 
> com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:71)
>      at 
> com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.handleWebAppDispatch(WebAppRequestDispatcher.java:974)
>      at 
> com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.dispatch(WebAppRequestDispatcher.java:564)
>      at 
> com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.forward(WebAppRequestDispatcher.java:200)
>      at 
> com.ibm.ws.webcontainer.srt.WebAppInvoker.doForward(WebAppInvoker.java:119)
>      at 
> com.ibm.ws.webcontainer.srt.WebAppInvoker.handleInvocationHook(WebAppInvoker.java:276)
>      at 
> com.ibm.ws.webcontainer.cache.invocation.CachedInvocation.handleInvocation(CachedInvocation.java:71)
>      at 
> com.ibm.ws.webcontainer.srp.ServletRequestProcessor.dispatchByURI(ServletRequestProcessor.java:182)
>      at 
> com.ibm.ws.webcontainer.oselistener.OSEListenerDispatcher.service(OSEListener.java:334)
>      at 
> com.ibm.ws.webcontainer.http.HttpConnection.handleRequest(HttpConnection.java:56)
>      at 
> com.ibm.ws.http.HttpConnection.readAndHandleRequest(HttpConnection.java:618)
>      at com.ibm.ws.http.HttpConnection.run(HttpConnection.java:439)
>      at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:672)

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