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PM74853: Entity queries using compound keys might return incorrect results.


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APAR status

  • Closed as program error.

Error description

  • With heavy load and near-simultanous query requests that use
    compound keys (keys with multiple parameters), the WebSphere
    eXtreme Scale server might return the same result for both
    queries.
    

Local fix

  • Do not use the query interface with compound keys.
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:  All users that have                         *
    *                  compound keys (keys with multiple           *
    *                  parameters) in query requests.              *
    ****************************************************************
    * PROBLEM DESCRIPTION: Incorrect query results might be        *
    *                      returned when running under heavy       *
    *                      load.                                   *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    A query that runs concurrently overwrites the query parameters
    due to a problem with a variable that is declared as a class
    variable, instead of a method variable.
    

Problem conclusion

  • The variable was changed from a class variable to a
    method variable.
    

Temporary fix

Comments

APAR Information

  • APAR number

    PM74853

  • 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

    2012-10-11

  • 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

    XD EXTREME SCAL

  • Fixed component ID

    5724J3402

Applicable component levels

  • R610 PSY

       UP

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Document information

WebSphere eXtreme Scale

General


Software version:
6.1


Reference #:
PM74853


Modified date:
2012-10-24

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