PM22617: NULLPOINTEREXCEPTION DURING EXTREME SCALE FAILOVER.

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • If both extreme scale client and extreme scale server service
    are in the same process. During failover, primary gets nulled
    out and hence we get a NullPointerException.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:   All users of WebSphere eXtreme Scale       *
    ****************************************************************
    * PROBLEM DESCRIPTION: A NullPointerException is logged        *
    *                      during failover when the server and     *
    *                      client are in the same process.         *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    The following exception stack is seen in the logs:
    
    Caused by: org.omg.CORBA.INTERNAL: An internal error happened
    processing the request  vmcid: 0x0  minor code: 0  completed: No
     at
    com.ibm.ws.objectgrid.ShardImpl.processMessage(ShardImpl.java:95
    9)
     at
    com.ibm.ws.objectgrid.partition.IDLShardPOA._invoke(IDLShardPOA.
    java:190)
     at
    com.ibm.CORBA.poa.POAServerDelegate.dispatchToServant(POAServerD
    elegate.java:402)
     at
    com.ibm.CORBA.poa.POAServerDelegate.internalDispatch(POAServerDe
    legate.java:334)
     at
    com.ibm.CORBA.poa.POAServerDelegate.dispatch(POAServerDelegate.j
    ava:256)
     at com.ibm.rmi.iiop.ORB.process(ORB.java:513)
     at com.ibm.CORBA.iiop.ORB.process(ORB.java:1574)
     at com.ibm.rmi.iiop.Connection.respondTo(Connection.java:2841)
     at com.ibm.rmi.iiop.Connection.doWork(Connection.java:2714)
     at com.ibm.rmi.iiop.WorkUnitImpl.doWork(WorkUnitImpl.java:63)
     at com.ibm.ejs.oa.pool.PooledThread.run(ThreadPool.java:118)
     ... 1 more
    Caused by: java.lang.NullPointerException
     at
    com.ibm.ws.objectgrid.ShardImpl.processMessage(ShardImpl.java:93
    6)
     ... 11 more
    

Problem conclusion

  • The eXtreme Scale runtime was updated to handle the error
    condition to avoid getting a NullPointerException.  This
    change will be published in future cumulative fixes for the
    Version 6.1, Version 7.0, and Version 7.1 releases.
    

Temporary fix

Comments

APAR Information

  • APAR number

    PM22617

  • Reported component name

    XD EXTREME SCAL

  • Reported component ID

    5724J3402

  • Reported release

    610

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2010-09-15

  • Closed date

    2010-10-01

  • Last modified date

    2010-10-01

  • 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

    XD EXTREME SCAL

  • Fixed component ID

    5724J3402

Applicable component levels

  • R610 PSY

       UP

  • R700 PSY

       UP

  • R710 PSY

       UP



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Document information


More support for:

WebSphere eXtreme Scale
General

Software version:

6.1

Reference #:

PM22617

Modified date:

2010-10-01

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