PM97253: After WebSphere eXtreme Scale failover, many CWOBJ0061W messages, TransactionTimeoutException or LockTimeoutException

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APAR status

  • Closed as program error.

Error description

  • After handling a failover, WebSphere eXtreme Scale containers
    experience a large number of CWOBJ00061W messages,
    coincidental with many TransactionTimeoutException or
    LockTimeoutException errors.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:  WebSphere eXtreme Scale users               *
    *                  with environments that handle container     *
    *                  failover scenarios.                         *
    ****************************************************************
    * PROBLEM DESCRIPTION: After a failover, many transaction      *
    *                      timeout or lock timeout exceptions      *
    *                      occur.                                  *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    When partitions are replaced after a WebSphere eXtreme Scale
    container fails, partition placement fails to gracefully
    quiesce running transactions, leaving the transactions to
    timeout and rollback. During this time, the application can
    experience lock timeout exception errors. After the
    transactions timeout, the result will be CWOBJ0061W messages
    and transaction timeout exceptions. Normal processing resumes
    after the timeout occurs.
    

Problem conclusion

  • The partition placement is deferred until the transactions
    complete or an appropriate wait time occurs.
    

Temporary fix

Comments

APAR Information

  • APAR number

    PM97253

  • Reported component name

    WS EXTREME SCAL

  • Reported component ID

    5724X6702

  • Reported release

    850

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2013-09-17

  • Closed date

    2013-09-20

  • Last modified date

    2013-09-20

  • 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

    WS EXTREME SCAL

  • Fixed component ID

    5724X6702

Applicable component levels

  • R850 PSY

       UP

  • R860 PSY

       UP



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Document information


More support for:

WebSphere eXtreme Scale

Software version:

850

Reference #:

PM97253

Modified date:

2013-09-20

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