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PH10849: ABEND0C4-04 IN CSQXREXT USING A CHANNEL EXIT AND SHARECNV>0.

A fix is available

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APAR status

  • Closed as program error.

Error description

  • ABEND0C4-00000004 in CSQXREXT using a channel exit and
    SHARECNV>0.
    ADDITIONAL SYMPTOMS :
    ABEND0C4 CSQXRCTL CSQXRCMP +049A4 REASON CODE 4
    
    ABEND5C6 00E70054 CSQXADPM CSQXADPM +071E6
    

Local fix

  • n/a
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED: All users of IBM MQ for z/OS Version 9       *
    *                 Release 0 Modification 0 and Release 1       *
    *                 Modification 0.                              *
    ****************************************************************
    * PROBLEM DESCRIPTION: An S0C4 Abend may be seen in CSQXREXT   *
    *                      module when using channel exit with     *
    *                      SHARECNV>0                              *
    ****************************************************************
    In a specific scenario where we are using a multiplexed channel,
    SHARECNV value > 0, on a callback thread the abend occurs in the
    rriCallSndExit function while testing the StatisticsToggle flag
    since it was not initialised.
    

Problem conclusion

  • The CSQXRSTM module has been updated (called prior to where
    problem occurs) to ensure all the affected pointers or
    variables have been initialised properly for all circumstances
    

Temporary fix

Comments

APAR Information

  • APAR number

    PH10849

  • Reported component name

    IBM MQ Z/OS V9

  • Reported component ID

    5655MQ900

  • Reported release

    000

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2019-04-10

  • Closed date

    2019-06-13

  • Last modified date

    2020-10-06

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

    PH05140

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

    UI63631 UI63632

Modules/Macros

  • CSQXRSTM
    

Fix information

  • Fixed component name

    IBM MQ Z/OS V9

  • Fixed component ID

    5655MQ900

Applicable component levels

  • R000 PSY UI63631

       UP19/07/23 P F907

  • R100 PSY UI63632

       UP19/07/23 P F907

Fix is available

  • Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.

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Document Information

Modified date:
07 October 2020