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PI60875: CSQLOG1P, MISSING RECORDS IN EXTRACT DATASET CSQCMT 16/04/18 PTF PECHANGE

A fix is available

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APAR status

  • Closed as program error.

Error description

  • User runs the CSQLOG1P utility with the EXTRACT parameter set
    against an archive log data set. The log records are printed ok
    but some MQPUTs or MQGETs of shared messages are not written
    to the CSQCMT dataset. For example, for a URID that contains a
    number of INSERT SHARED requests only the first MQPUT will be
    printed to the CSQCMT dataset. The subsequent MQPUTs are
    missing.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED: All users of WebSphere MQ for z/OS Version 7 *
    *                 Release 1 Modification 0.                    *
    ****************************************************************
    * PROBLEM DESCRIPTION: When using the EXTRACT option of        *
    *                      CSQ1LOGP to extract information about   *
    *                      MQPUT/MQGET operations from the MQ      *
    *                      logs, any operations performed by a     *
    *                      unit of work after the put of a large   *
    *                      (>4K) message to shared queue are not   *
    *                      included in the CSQCMT/CSQBACK/CSQINFLT *
    *                      datasets.                               *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    PI30907 changed CSQ1LEXT to ignore continuation log records
    associated with a message where the initial IRH9 log record was
    not contained in the log (for example, the logs being processed
    contained the IRHA page updates, but the IRH9 page update was
    logged to the following log dataset).
    An error in the implementation of this change causes log records
    associated with large shared queue messages to appear as an
    incomplete private queue message, causing them, and any
    subsequent operations in the same unit of work to be ignored.
    

Problem conclusion

  • CSQ1LEXT is changed to only flag IRHA records as part of an
    incomplete put, preventing records associated with shared queues
    being incorrectly ignored.
    100Y
    CSQ1LEXT
    

Temporary fix

  • *********
    * HIPER *
    *********
    

Comments

APAR Information

  • APAR number

    PI60875

  • Reported component name

    WMQ Z/OS V7

  • Reported component ID

    5655R3600

  • Reported release

    100

  • Status

    CLOSED PER

  • PE

    YesPE

  • HIPER

    YesHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2016-04-18

  • Closed date

    2016-04-29

  • Last modified date

    2016-06-02

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

    PI60519

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

    UI37434

Modules/Macros

  • CSQ1LEXT
    

Fix information

  • Fixed component name

    WMQ Z/OS V7

  • Fixed component ID

    5655R3600

Applicable component levels

  • R100 PSY UI37434

       UP16/05/26 P F605 «

Fix is available

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Document Information

Modified date:
02 June 2016