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  1. Wicket
  2. WICKET-3470

Can't write session to disk with tomcat : Servlet is destroyed before serialization

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 1.5-RC1
    • Fix Version/s: 1.5-RC3
    • Component/s: wicket
    • Environment:
      Windows 7 x64
      apache-tomcat-6.0.32-windows-x86
      (Running from Eclipse view, Faceted project)

      Description

      Hi,

      When I stop my tomcat, I have the following error :
      GRAVE: Exception au d├ęchargement des sessions vers le stockage persistant (persistent storage)
      java.lang.IllegalStateException: PageManager for application wicket not registered.
      at lm.lbx.application.PersistentPageManager$SessionEntry.getPageStore(PersistentPageManager.java:86)
      at lm.lbx.application.PersistentPageManager$SessionEntry.writeObject(PersistentPageManager.java:197)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
      at java.lang.reflect.Method.invoke(Unknown Source)
      at java.io.ObjectStreamClass.invokeWriteObject(Unknown Source)
      at java.io.ObjectOutputStream.writeSerialData(Unknown Source)
      at java.io.ObjectOutputStream.writeOrdinaryObject(Unknown Source)
      at java.io.ObjectOutputStream.writeObject0(Unknown Source)
      at java.io.ObjectOutputStream.writeObject(Unknown Source)
      at org.apache.catalina.session.StandardSession.writeObject(StandardSession.java:1561)
      at org.apache.catalina.session.StandardSession.writeObjectData(StandardSession.java:1004)
      at org.apache.catalina.session.StandardManager.doUnload(StandardManager.java:528)
      at org.apache.catalina.session.StandardManager.unload(StandardManager.java:469)
      at org.apache.catalina.session.StandardManager.stop(StandardManager.java:678)
      at org.apache.catalina.core.StandardContext.stop(StandardContext.java:4875)
      at org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1106)
      at org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1106)
      at org.apache.catalina.core.StandardEngine.stop(StandardEngine.java:468)
      at org.apache.catalina.core.StandardService.stop(StandardService.java:604)
      at org.apache.catalina.core.StandardServer.stop(StandardServer.java:788)
      at org.apache.catalina.startup.Catalina.stop(Catalina.java:662)
      at org.apache.catalina.startup.Catalina.start(Catalina.java:629)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
      at java.lang.reflect.Method.invoke(Unknown Source)
      at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
      at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)

      After a little digging, it's because tomcat first unload the servlet mapping and destroy the servlet, and then, ask for serialization. I'm not sure it's a wiket bug, tell me if i have to report it against tomcat.
      Here is the trace of the destroy :

      Thread [main] (Suspended (breakpoint at line 357 in PersistentPageManager))
      PersistentPageManager.destroy() line: 357
      PageAccessSynchronizer$1(PageManagerDecorator).destroy() line: 86
      LibellexApplication(Application).internalDestroy() line: 658
      LibellexApplication(WebApplication).internalDestroy() line: 470
      WicketFilter.destroy() line: 456
      ApplicationFilterConfig.release() line: 357
      StandardContext.filterStop() line: 4106
      StandardContext.stop() line: 4869
      StandardHost(ContainerBase).stop() line: 1106
      StandardEngine(ContainerBase).stop() line: 1106
      StandardEngine.stop() line: 468
      StandardService.stop() line: 604
      StandardServer.stop() line: 788
      Catalina.stop() line: 662
      Catalina.start() line: 629
      NativeMethodAccessorImpl.invoke0(Method, Object, Object[]) line: not available [native method]
      NativeMethodAccessorImpl.invoke(Object, Object[]) line: not available
      DelegatingMethodAccessorImpl.invoke(Object, Object[]) line: not available
      Method.invoke(Object, Object...) line: not available
      Bootstrap.start() line: 289
      Bootstrap.main(String[]) line: 414

      And the trace requesting serialization :

      Thread [main] (Suspended (breakpoint at line 83 in PersistentPageManager$SessionEntry))
      PersistentPageManager$SessionEntry.getPageStore() line: 83
      PersistentPageManager$SessionEntry.writeObject(ObjectOutputStream) line: 197
      NativeMethodAccessorImpl.invoke0(Method, Object, Object[]) line: not available [native method]
      NativeMethodAccessorImpl.invoke(Object, Object[]) line: not available
      DelegatingMethodAccessorImpl.invoke(Object, Object[]) line: not available
      Method.invoke(Object, Object...) line: not available
      ObjectStreamClass.invokeWriteObject(Object, ObjectOutputStream) line: not available
      ObjectOutputStream.writeSerialData(Object, ObjectStreamClass) line: not available
      ObjectOutputStream.writeOrdinaryObject(Object, ObjectStreamClass, boolean) line: not available
      ObjectOutputStream.writeObject0(Object, boolean) line: not available
      ObjectOutputStream.writeObject(Object) line: not available
      StandardSession.writeObject(ObjectOutputStream) line: 1561
      StandardSession.writeObjectData(ObjectOutputStream) line: 1004
      StandardManager.doUnload() line: 528
      StandardManager.unload() line: 469
      StandardManager.stop() line: 678
      StandardContext.stop() line: 4875
      StandardHost(ContainerBase).stop() line: 1106
      StandardEngine(ContainerBase).stop() line: 1106
      StandardEngine.stop() line: 468
      StandardService.stop() line: 604
      StandardServer.stop() line: 788
      Catalina.stop() line: 662
      Catalina.start() line: 629
      NativeMethodAccessorImpl.invoke0(Method, Object, Object[]) line: not available [native method]
      NativeMethodAccessorImpl.invoke(Object, Object[]) line: not available
      DelegatingMethodAccessorImpl.invoke(Object, Object[]) line: not available
      Method.invoke(Object, Object...) line: not available
      Bootstrap.start() line: 289
      Bootstrap.main(String[]) line: 414

      Well at this time, a simple dirty hack is to bypass destroy chain to avoid removal of app from managers properties of class PersistentPageManager. But I would like to have a real clean solution.

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            • Assignee:
              mgrigorov Martin Tzvetanov Grigorov
              Reporter:
              segfaultmaker SegFault
            • Votes:
              2 Vote for this issue
              Watchers:
              2 Start watching this issue

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                Updated:
                Resolved:

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