PM79284: 0C1/AKEA IN DFHMQTRU AFTER CICS HAS RECOVERED FROM AN SOS SITUATION.

A fix is available

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APAR status

  • Closed as program error.

Error description

  • +DFHAP0707 CICSDBDC An abend (code 0C1/AKEA) has occurred in
    task related user exit program DFHMQTRU.
    +DFHAP0001 CICSDBDC An abend (code 0C1/AKEA) has occurred at
    offset X'FFFFFFFF' in module DFHMQTRU.
    received shortly after CICS has recovered from a SOS situation.
    
    Abend occured after a BASR from DFHMQTRU +x42A70'. Reg 15
    contains Msg handle create routine address (CSQBCRMH) loaded
    from CLOC +x'140'.
    
    CSQBCRMH was flushed after SOS but CLOC is never updated to
    reflect this.
    
    CSQBCRMH and CSQBPAPI were added by PK89844.
    
    Additional Keywords:  0C6 abend0C6 0C6/AKEA wild branch
    unpredictable results
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED: All CICS users.                              *
    ****************************************************************
    * PROBLEM DESCRIPTION: Abend 0C1/AKEA occurs at offset         *
    *                      X'FFFFFFFF' in module DFHMQTRU.         *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    DFHMQCON loads programs CSQBCRMH and CSQBPAPI for exploitation
    of IBM WebSphere MQ V7 functionality.  The ENTRY addresses are
    stored in the CLOC and are referenced by DFHMQTRU when it makes
    a call to one of these programs.
    However if CICS goes SOS, CSQBCRMH and CSQBPAPI may be flushed
    as they are loaded without the HOLD option specified.  The CLOC
    is not updated in this case and as a consequence if DFHMQTRU
    issues a call to one of these programs an 0C1 abend occurs.
    KEYWORDS: abend0C1 abends0C1 WMQ messageAP0707 AP0707
              messageAP0001 AP0001
    

Problem conclusion

  • The EXEC CICS LOAD commands in DFHMQCON, used to load CSQBCRMH
    and CSQBPAPI, have been modified to include the HOLD option.
    With this option specified the programs now remain in storage
    until explicitly released and will not be flushed in the event
    of CICS becoming SOS.
    

Temporary fix

  •             *********
                * HIPER *
                *********
    FIX AVAILABLE BY PTF ONLY
    

Comments

APAR Information

  • APAR number

    PM79284

  • Reported component name

    CICS TS Z/OS V4

  • Reported component ID

    5655S9700

  • Reported release

    700

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    YesHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2012-12-17

  • Closed date

    2013-01-31

  • Last modified date

    2013-03-04

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

    PM73226

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

    PM79960 UK91379

Modules/Macros

  •    DFHMQCON
    

Fix information

  • Fixed component name

    CICS TS Z/OS V4

  • Fixed component ID

    5655S9700

Applicable component levels

  • R700 PSY UK91379

       UP13/02/08 P F302

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


More support for:

CICS Transaction Server

Software version:

4.2

Reference #:

PM79284

Modified date:

2013-03-04

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