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https://issues.apache.org/jira/browse/WICKET-1724?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Farhan updated WICKET-1724:
---------------------------

    Attachment: myproject.zip

Attached is the quick-start project, with HomePage containing the AjaxLink and 
a Form/textfield. The homepage.class is mounted through 
QueryStringURLCodingStrategy. Also the session-timeout period in the web.xml 
has been set to 1 minute.



> Clicking on AjaxLink (when used on a page mounted through 
> QueryStringUrlCodingStrategy) after session-expiry throws a 
> NullPointerException in IE and Safari (i.e. in 
> BookmarkableListenerInterfaceRequestTarget.processEvents)
> ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: WICKET-1724
>                 URL: https://issues.apache.org/jira/browse/WICKET-1724
>             Project: Wicket
>          Issue Type: Bug
>          Components: wicket
>    Affects Versions: 1.3.3, 1.4-M2
>         Environment: JDK 5.0, RHEL 4
>            Reporter: Farhan
>         Attachments: myproject.zip
>
>
> Clicking an AjaxLink (after session-expiry period) on a page mounted through 
> QueryStringUrlCodingStrategy results in a NullPointerException in 
> Root cause:java.lang.NullPointerException     
> at 
> org.apache.wicket.request.target.component.BookmarkableListenerInterfaceRequestTarget.processEvents(BookmarkableListenerInterfaceRequestTarget.java:131)
>    
> at 
> org.apache.wicket.request.AbstractRequestCycleProcessor.processEvents(AbstractRequestCycleProcessor.java:91)
>      
> at 
> org.apache.wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:1171)
>      
> at org.apache.wicket.RequestCycle.step(RequestCycle.java:1248)     
> at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1349)     
> at org.apache.wicket.RequestCycle.request(RequestCycle.java:493)     
> at org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:387)  
>    
> at 
> org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:199)  
>    
> at 
> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1088)
>      
> at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:360)   
>   
> at 
> org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)   
>   
> at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)   
>   
> at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:729)   
>   
> at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)    
> at 
> org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:206)
>   
> at 
> org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
>    
> at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)   
>   
> at org.mortbay.jetty.Server.handle(Server.java:324)    
> at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:505)    
> at 
> org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:829)
>    
> at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:513)    
> at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211)     
> at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:380)  
> at 
> org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:395)  
>  
> at 
> org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:488)

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