PM86721: DFHWB0002 SEVERE ERROR X'060C' IN MODULE DFHWBXM IS DETECTED ON TCPIP ECI REQUEST IF THE CLIENT HAS ALREADY DISCONNECTED.

A fix is available

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APAR status

  • Closed as program error.

Error description

  • CICS TG sent an ECI request to CICS via TCPIP.
    Before CISS task is attached by CSOL, the client has already
    disconnected. CICS trace shows SOUS  *EXC* GETSOCKNAME_FAILURE
    RETURN_VALUE(-1) RETURN_CODE(1124) REASON_CODE(749B0000).
    In this siutation, the CISS task will abend with sever error
    code
    x'060C', the trace shows INQUIRE_CONNECTION_ERROR returns from
    DFHWBXM.BIND_XM_CLIENT during CISS initilisation.
    

Local fix

  • N/A
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED: All CICS users.                              *
    ****************************************************************
    * PROBLEM DESCRIPTION: DFHWB0002 SEVERE ERROR X'060C' IN       *
    *                      MODULE DFHWBXM IS DETECTED ON  TCPIP    *
    *                      ECI REQUEST.                            *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    CICS TG client is sending a IPIC request to CICS to acquire
    the IPCONN.CISS is used to establish IPIC connection between
    CTG and CICS.Before CICS attaches CISS,the TCPIP connection
    is dropped and the client is disconnected. In the trace, a
    GETSOCKNAME_FAILURE exception is issued. However CICS still
    attaches transaction CISS after it issues this exception. After
    CISS is attached, because the client is still disconnected,
    CICS issues the GETSOCKNAME_FAILURE exception again during
    CISS initialization,it causes CISS to abend with message
    DFHWB0002 severe error x'060C'.
    
    Additional keywords: msgDFHWB0002.
    

Problem conclusion

  • CICS is changed so that before it attaches CISS, it checks the
    TCPIP connection to the client,if the connection is gone and
    the client is disconnected, CICS will not attach CISS.
    

Temporary fix

  • FIX AVAILABLE BY PTF ONLY
    

Comments

APAR Information

  • APAR number

    PM86721

  • Reported component name

    CICS TS Z/OS V5

  • Reported component ID

    5655Y0400

  • Reported release

    800

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2013-04-10

  • Closed date

    2013-04-21

  • Last modified date

    2013-06-04

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

    PM85923

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

    UK93769

Modules/Macros

  •    DFHWBSO
    

Fix information

  • Fixed component name

    CICS TS Z/OS V5

  • Fixed component ID

    5655Y0400

Applicable component levels

  • R800 PSY UK93769

       UP13/05/02 P F305

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:

z/OS family

Software version:

5.1

Reference #:

PM86721

Modified date:

2013-06-04

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