PM74533: The exception, LockTimeoutException, prevents shard failure recovery.

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APAR status

  • Closed as program error.

Error description

  • Performing a force-recycle operation on a data grid with two
    WebSphere DataPower XC10 appliances results in a
    LockTimeoutException exception.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:  All users of WebSphere eXtreme Scale.       *
    ****************************************************************
    * PROBLEM DESCRIPTION: A timing window existed where lock      *
    *                      contention could prevent failure        *
    *                      recovery processing.                    *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    A concurrency issue resulted in a LockTimeoutException
    exception, which prevented shard failure recovery.
    

Problem conclusion

  • The code was fixed to resolve the concurrency issue.
    

Temporary fix

Comments

APAR Information

  • APAR number

    PM74533

  • 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

    2012-10-08

  • Closed date

    2012-10-24

  • Last modified date

    2012-10-24

  • 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

  • R711 PSY

       UP

  • R850 PSY

       UP



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Document information


More support for:

WebSphere eXtreme Scale

Software version:

850

Reference #:

PM74533

Modified date:

2012-10-24

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