IX90073: A CLASSNOTFOUNDEXCEPTION IS THROWN INTERMITTENTLY IN AN ORB COLL OCATED SCENARIO

APAR status

• Closed as program error.

Error description

• Error Message: In a z/WAS setup, jobs are started in restartable
  mode. Intermittently, a ClassNotFoundException is thrown for
  objects which are loaded properly most of the times.
  .
  Stack Trace: in server thread; nested exception is:
    java.rmi.MarshalException: CORBA MARSHAL 0x4942f8b0 No; nested
  exception is:
    org.omg.CORBA.MARSHAL: com.ibm.ws.longrun.impl.CGJobImpl
  vmcid: IBM  minor code: 8B0  completed: No
    at
  com.ibm.CORBA.iiop.UtilDelegateImpl.wrapException(UtilDelegateIm
  pl.java:757)
    at javax.rmi.CORBA.Util.wrapException(Util.java:296)
    at
  com.ibm.ws.ci._CIController_Stub.startJob(_CIController_Stub.jav
  a:278)
    at
  com.ibm.ws.batch.GridDispatcher._dispatchInJ2EEMode(GridDispatch
  er.java:179)
    at
  com.ibm.ws.batch.GridDispatcher.dispatch(GridDispatcher.java:89)
    at
  com.ibm.ws.gridcontainer.impl.PortableGridKernelImpl._dispatchGr
  idWork(PortableGridKernelImpl.java:337)
    at
  com.ibm.ws.gridcontainer.impl.PortableGridKernelImpl._dispatchWo
  rk(PortableGridKernelImpl.java:301)
    at
  com.ibm.ws.gridcontainer.impl.PortableGridKernelImpl.scheduleJob
  (PortableGridKernelImpl.java:81)
    at
  com.ibm.ws.gridcontainer.services.impl.GridWork.run(PGCControlle
  rImpl.java:529)
    at
  com.ibm.ws.asynchbeans.J2EEContext$RunProxy.run(J2EEContext.java
  :268)
    at
  java.security.AccessController.doPrivileged(AccessController.jav
  a:203)
    at
  com.ibm.ws.asynchbeans.J2EEContext.run(J2EEContext.java:768)
    at
  com.ibm.ws.asynchbeans.WorkWithExecutionContextImpl.go(WorkWithE
  xecutionContextImpl.java:222)
    at
  com.ibm.ws.asynchbeans.ABWorkItemImpl.run(ABWorkItemImpl.java:20
  6)
    at
  com.ibm.ws.asynchbeans.WLMABWorkItemImpl.run(WLMABWorkItemImpl.j
  ava:68)
    at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1620)
   Caused by: java.rmi.MarshalException: CORBA MARSHAL 0x4942f8b0
  No; nested exception is:
    org.omg.CORBA.MARSHAL: com.ibm.ws.longrun.impl.CGJobImpl
  vmcid: IBM  minor code: 8B0  completed: No
    at
  com.ibm.CORBA.iiop.UtilDelegateImpl.mapSystemException(UtilDeleg
  ateImpl.java:277)
    at javax.rmi.CORBA.Util.mapSystemException(Util.java:84)
    at com.ibm.rmi.util.ProxyUtil.copyObjects(ProxyUtil.java:205)
    at
  com.ibm.CORBA.iiop.UtilDelegateImpl.copyObjects(UtilDelegateImpl
  .java:815)
    at javax.rmi.CORBA.Util.copyObjects(Util.java:315)
    at
  com.ibm.ws.ci._CIController_Stub.startJob(_CIController_Stub.jav
  a:271)
    ... 13 more
   Caused by: org.omg.CORBA.MARSHAL:
  com.ibm.ws.longrun.impl.CGJobImpl  vmcid: IBM  minor code: 8B0
  completed: No
    at
  com.ibm.rmi.util.FastPathForCollocated.getTargetClass(FastPathFo
  rCollocated.java:261)
    at
  com.ibm.rmi.util.FastPathForCollocated.deepCopy(FastPathForCollo
  cated.java:157)
    at
  com.ibm.rmi.iiop.ObjectCopierFactory$DeepObjectArrayCopier.doWor
  k(ObjectCopierFactory.java:507)
    at
  com.ibm.rmi.iiop.ObjectCopierFactory$AbstractCopier.waitForCompl
  etion(ObjectCopierFactory.java:165)
    at com.ibm.rmi.util.ProxyUtil.copyObjects(ProxyUtil.java:201)
    ... 16 more
   Caused by: java.lang.ClassNotFoundException:
  com.ibm.ws.longrun.impl.CGJobImpl     <---- root exception
    at
  com.ibm.CORBA.iiop.UtilDelegateImpl.loadClass(UtilDelegateImpl.j
  ava:672)
    at javax.rmi.CORBA.Util.loadClass(Util.java:252)
    at
  com.ibm.rmi.util.FastPathForCollocated.getTargetClass(FastPathFo
  rCollocated.java:259)
    ... 20 more
    com.ibm.ws.batch.GridDispatcher._dispatchInJ2EEMode
  .
  

Local fix

Problem summary

• A ClassNotFoundException is thrown intermittently in an ORB
  collocated scenario
  

Problem conclusion

• This defect will be fixed in:
  6.0.1 GA FP1
  .
  The code has been changed to fix a bug in the stack walking
  code.
  .
  To obtain the fix:
  Install build 20110407 or later
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

Fix information

• Fixed component name

  ORB

• Fixed component ID

  620700123

Applicable component levels

• R260 PSY

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