We didn't fix the underlying problem as we don't understand how that happens yet. We log a warning now instead of throwing an exception which might be stressing out your users.
It is in the 1_2 branch. Eelco On 7/21/06, Marco Geier <[EMAIL PROTECTED]> wrote: > Where did you fix it? Is it in WICKET_1_2 branch, so i can get it via SVN? > > And could you tell me where the "underlying problem" is? I could try > helping to eliminate... > > Marco > > Johan Compagner wrote: > > i did make a quick fix so that that null pointer doesn't happen. > > But the problem is that it doesn't really fix the underlying problem. > > I hope that i can reproduce that somehow at some time.. > > > > johan > > > > > > On 7/21/06, Marco Geier <[EMAIL PROTECTED]> wrote: > >> > >> no, i can't reproduce it, it just occured twice today on the production > >> server ( an online auction) when there was heavy traffic. > >> > >> I could however add some additional logging, so when it happens again we > >> *might* know why. > >> Could you give some initial hints, what and where to look for? > >> > >> I've had similar load on the production system last week, without these > >> errors. But this week we're running on an IBM VM (as opposed to SUN VM > >> before). Could this affect the problem? > >> > >> Marco > >> > >> > >> Johan Compagner wrote: > >> > this is very strange that it still happens on certain cases... > >> > > >> > Can you reproduce it? Can you give a testcase? > >> > > >> > johan > >> > > >> > > >> > On 7/21/06, Marco Geier <[EMAIL PROTECTED]> wrote: > >> >> > >> >> Today my production system threw a NullPointerException: > >> >> (See stack trace below) > >> >> > >> >> This is with wicket 1.2 final (for line-number references). > >> >> The line the NPE occured is: > >> >> > >> >> "session.removeAttribute(attributeForId(entry.getNumericId()));" > >> >> > >> >> i don't have any customized stuff here, nor do i have more than one > >> >> pagemap, so i'm tempted to declare this as a reace condition-triggered > >> >> bug. (because it just occured today, after 4 weeks without problems, > >> but > >> >> today the app was quite busy, lots of concurrent requests...) > >> >> > >> >> Any ideas? > >> >> > >> >> Rgds, > >> >> > >> >> Marco > >> >> > >> >> > >> >> 2006-07-21 10:04:07,035 ERROR [wicket.RequestCycle] > >> >> java.lang.NullPointerException > >> >> at wicket.PageMap.removeEntry(PageMap.java:335) > >> >> at wicket.PageMap.access(PageMap.java:635) > >> >> at wicket.PageMap.get(PageMap.java:459) > >> >> at wicket.Session.getPage(Session.java:413) > >> >> at > >> >> > >> >> > >> wicket.request.compound.DefaultRequestTargetResolverStrategy.resolveRenderedPage > >> > >> >> > >> >> (DefaultRequestTargetResolverStrategy.java:149) > >> >> at > >> >> wicket.request.compound.DefaultRequestTargetResolverStrategy.resolve( > >> >> DefaultRequestTargetResolverStrategy.java:92) > >> >> at > >> >> wicket.request.compound.AbstractCompoundRequestCycleProcessor.resolve( > >> >> AbstractCompoundRequestCycleProcessor.java:48) > >> >> at wicket.RequestCycle.step(RequestCycle.java:942) > >> >> at wicket.RequestCycle.steps(RequestCycle.java:1034) > >> >> at wicket.RequestCycle.request(RequestCycle.java:453) > >> >> at wicket.protocol.http.WicketServlet.doGet(WicketServlet.java > >> >> :215) > >> >> at > >> javax.servlet.http.HttpServlet.service(HttpServlet.java:697) > >> >> at > >> javax.servlet.http.HttpServlet.service(HttpServlet.java:810) > >> >> at > >> >> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter( > >> >> ApplicationFilterChain.java:252) > >> >> at > >> >> org.apache.catalina.core.ApplicationFilterChain.doFilter( > >> >> ApplicationFilterChain.java:173) > >> >> at > >> >> de.eyetea.hfax.monitoring.BieterSessionFilter.doFilter( > >> >> BieterSessionFilter.java:126) > >> >> at > >> >> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter( > >> >> ApplicationFilterChain.java:202) > >> >> at > >> >> org.apache.catalina.core.ApplicationFilterChain.doFilter( > >> >> ApplicationFilterChain.java:173) > >> >> at de.eyetea.TargetFilter.doFilter(TargetFilter.java:47) > >> >> at > >> >> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter( > >> >> ApplicationFilterChain.java:202) > >> >> at > >> >> org.apache.catalina.core.ApplicationFilterChain.doFilter( > >> >> ApplicationFilterChain.java:173) > >> >> at > >> >> org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter( > >> >> ReplyHeaderFilter.java:96) > >> >> at > >> >> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter( > >> >> ApplicationFilterChain.java:202) > >> >> at > >> >> org.apache.catalina.core.ApplicationFilterChain.doFilter( > >> >> ApplicationFilterChain.java:173) > >> >> at > >> >> org.apache.catalina.core.StandardWrapperValve.invoke( > >> >> StandardWrapperValve.java:213) > >> >> at > >> >> org.apache.catalina.core.StandardContextValve.invoke( > >> >> StandardContextValve.java:178) > >> >> at > >> >> org.jboss.web.tomcat.security.CustomPrincipalValve.invoke( > >> >> CustomPrincipalValve.java:54) > >> >> at > >> >> org.jboss.web.tomcat.security.SecurityAssociationValve.invoke( > >> >> SecurityAssociationValve.java:174) > >> >> at > >> >> org.apache.catalina.authenticator.AuthenticatorBase.invoke( > >> >> AuthenticatorBase.java:432) > >> >> at > >> >> org.jboss.web.tomcat.security.JaccContextValve.invoke( > >> >> JaccContextValve.java:74) > >> >> at > >> >> org.apache.catalina.core.StandardHostValve.invoke( > >> StandardHostValve.java > >> >> :126) > >> >> at > >> >> org.apache.catalina.valves.ErrorReportValve.invoke( > >> ErrorReportValve.java > >> >> :105) > >> >> at > >> >> org.apache.catalina.core.StandardEngineValve.invoke( > >> >> StandardEngineValve.java:107) > >> >> at > >> >> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java > >> >> :148) > >> >> at > >> >> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java > >> :869) > >> >> > >> >> at > >> >> > >> >> > >> org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection > >> > >> >> > >> >> (Http11BaseProtocol.java:664) > >> >> at > >> >> org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket( > >> >> PoolTcpEndpoint.java:527) > >> >> at > >> >> org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt( > >> >> LeaderFollowerWorkerThread.java:80) > >> >> at > >> >> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run( > >> >> ThreadPool.java:684) > >> >> at java.lang.Thread.run(Thread.java:797) > >> >> > >> >> > >> >> > >> ------------------------------------------------------------------------- > >> >> Take Surveys. Earn Cash. Influence the Future of IT > >> >> Join SourceForge.net's Techsay panel and you'll get the chance to > >> share > >> >> your > >> >> opinions on IT & business topics through brief surveys -- and earn > >> cash > >> >> > >> http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV > >> >> _______________________________________________ > >> >> Wicket-user mailing list > >> >> Wicket-user@lists.sourceforge.net > >> >> https://lists.sourceforge.net/lists/listinfo/wicket-user > >> >> > >> > > >> > > >> > > >> ------------------------------------------------------------------------ > >> > > >> > > >> ------------------------------------------------------------------------- > >> > Take Surveys. Earn Cash. Influence the Future of IT > >> > Join SourceForge.net's Techsay panel and you'll get the chance to share > >> your > >> > opinions on IT & business topics through brief surveys -- and earn cash > >> > > >> http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV > >> > > >> > > >> > > >> ------------------------------------------------------------------------ > >> > > >> > _______________________________________________ > >> > Wicket-user mailing list > >> > Wicket-user@lists.sourceforge.net > >> > https://lists.sourceforge.net/lists/listinfo/wicket-user > >> > >> -- > >> ___________________________ > >> > >> Dipl.-Ing. Marco Geier > >> EyeTea GmbH > >> Germany > >> phone +49 (0)721 662464-0 > >> fax +49 (0)721 662464-1 > >> mobile +49 (0)177 6579590 > >> [EMAIL PROTECTED] > >> > >> ------------------------------------------------------------------------- > >> Take Surveys. Earn Cash. Influence the Future of IT > >> Join SourceForge.net's Techsay panel and you'll get the chance to share > >> your > >> opinions on IT & business topics through brief surveys -- and earn cash > >> http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV > >> _______________________________________________ > >> Wicket-user mailing list > >> Wicket-user@lists.sourceforge.net > >> https://lists.sourceforge.net/lists/listinfo/wicket-user > >> > > > > > > ------------------------------------------------------------------------ > > > > ------------------------------------------------------------------------- > > Take Surveys. Earn Cash. Influence the Future of IT > > Join SourceForge.net's Techsay panel and you'll get the chance to share your > > opinions on IT & business topics through brief surveys -- and earn cash > > http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV > > > > > > ------------------------------------------------------------------------ > > > > _______________________________________________ > > Wicket-user mailing list > > Wicket-user@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/wicket-user > > -- > ___________________________ > > Dipl.-Ing. Marco Geier > EyeTea GmbH > Germany > phone +49 (0)721 662464-0 > fax +49 (0)721 662464-1 > mobile +49 (0)177 6579590 > [EMAIL PROTECTED] > > ------------------------------------------------------------------------- > Take Surveys. Earn Cash. Influence the Future of IT > Join SourceForge.net's Techsay panel and you'll get the chance to share your > opinions on IT & business topics through brief surveys -- and earn cash > http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV > _______________________________________________ > Wicket-user mailing list > Wicket-user@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/wicket-user > ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys -- and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
