PM83033: DFHAP0001 CODE ---/AKEA AT +X'0EEC' INTO DFHERMSP FOLLOWED BY DFHRM0002 CODE X'0377' IN DFHRMLSO : CICS TERMINATES WITH THAT.

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APAR status

  • Closed as program error.

Error description

  • Your CICS region abended with the following messages
    issued to the console:
    .
    DFHAP0001  AN ABEND (CODE ---/AKEA) HAS OCCURRED
     AT OFFSET X'0EEC' IN MODULE DFHERMSP .
    DFHRM0002  A SEVERE ERROR (CODE X'0377') HAS
     OCCURRED IN MODULE DFHRMLSO .
    .
    In either the DFHAP0001 dump or the DFHRM0002, the last entries
    in the Kernel Error Table look like this:
    .
    KE_NUM  ERROR TYPE           ERR_CODE  MODULE    OFFSET
    ======  ==========           ========  ======    ======
     0042   TRAN_ABEND_PERCOLATE ---/4038  DFHEPC    00000724
     0042   ABEND                04E/AKEB  UNKNOWN   UNKNOWN
     0042   PROGRAM_CHECK        0C1/AKEA  UNKNOWN   UNKNOWN
     0042   PROGRAM_CHECK        0C4/AKEA  DFHTRPX   00000398
     0042   PERCOLATE            ---/AKEA  DFHERM    0000150A
     0042   PERCOLATE            ---/AKEA  DFHERMSP  00000EEC
    .
    The key one of those is the 0C1 .  Investigation of that
    Kernel Error Data shows that that 0C1 is caused by a branch
    to low core from +x'AFC' into DFHPCP at the UK76215 level.
    (Get a listing of DFHPCPG at UK76215 to see DFHPCP.)  This
    0C1 is in the pcpg_abend procedure after a call to DFHABAB
    for Start_Abend has returned with Invalid_Token.  This code
    assumes that the only reason a Start_Abend will return is if
    an XPCTA exit has requested a retry.
    Additional Symptom(s) Search Keyword(s):
    KIXREVPAD purge AKC3 abendAKC3 DFHD2EX1 TCAPCACB
    TCZPCACB TCZACB TCAACB
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED: All CICS users.                              *
    ****************************************************************
    * PROBLEM DESCRIPTION: A severe error (code x'0377') occurred  *
    *                      in module DFHRMLSO after AOR reports    *
    *                      the condition to TOR by transaction     *
    *                      routing.                                *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    TOR invokes an AOR application by transaction routing. An
    abend4038 occurs in the application so DFHPCPG is called to
    create a TACB and then start this abend. DFHAPAC is called to
    report the error to TOR terminal. During MRO communication,
    TOR terminal is disconnected so AOR receives an FMH 7 request.
    AOR creates a second abend and turns on a TCA flag TCAIACB. As
    CICS is already in the process of abend handling. MRO decides
    not to start this abend so the logic returns to DFHAPAC. DFHAPAC
    changes the latest TACB pointer back to the first 4038 TACB
    without also restoring TCAIACB back. Then CICS begins to backout
    and fails to backout DB2. So DFHPCPG is called again to handle
    a third abend. The incorrect TCAIACB makes DFHPCPG use the
    latest 4038 TACB and not create a new one. When DFHPCPG calls
    DFHABAB to start the abend, DFHABAB realizes the TACB has
    already been started so returns an exception. DFHPCPG thinks
    DFHABAB returns because XPCTA global user exit sets a retry
    address, which is not true. DFHPCPG branches to zero retry
    address so abendS0C1 happens.
    Additional keywords: abendAD3K, msgDFHRM0002, msgDFHAP0001,
    abend0C1, S0C1A, ATCB, abendATCV.
    

Problem conclusion

  • DFHAPAC has been changed to restore back TCAIACB when DFHTFP
    returns.
    

Temporary fix

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

Comments

APAR Information

  • APAR number

    PM83033

  • 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

    2013-02-18

  • Closed date

    2013-06-23

  • Last modified date

    2013-08-02

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

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

    PM89168 UK95527

Modules/Macros

  •    DFHAPAC
    

Fix information

  • Fixed component name

    CICS TS Z/OS V4

  • Fixed component ID

    5655S9700

Applicable component levels

  • R700 PSY UK95527

       UP13/07/06 P F307

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 #:

PM83033

Modified date:

2013-08-02

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