IBM Support

IT18932: FDC WITH PROBE ID ZX015050 GENERATED WHEN ENDING QUEUE MANAGERWITH -P FLAG

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APAR status

  • Closed as program error.

Error description

  • When performing a pre-emptive shutdown of the queue manager
    (endmqm -p), a failure data capture (FDC) file may be generated
    by the amqzmur0 process with probe ID ZX015050.
    This behaviour may be observed on queue managers running on the
    MQ Appliance or on distributed platforms.
    The contents of the FDC file are similar to the following:
    +---------------------------------------------------------------
    --------------+
    |
                  |
    | WebSphere MQ First Failure Symptom Report
                  |
    | =========================================
                  |
    |
                  |
    | PIDS              :- 5725-S14
                  |
    | LVLS              :- 8.0.0.5
                  |
    | Vendor            :- IBM
                  |
    | O/S Registered    :- 1
                  |
    | Data Path         :- /var/mqm
                  |
    | Installation Path :- /opt/mqm
                  |
    | Installation Name :- MQAppliance      (1)
                  |
    | License Type      :- Unknown
                  |
    | Probe Id          :- ZX015050
                  |
    | Application Name  :- MQM
                  |
    | Component         :- zxcStopAgents
                  |
    | SCCS Info         :- /build/slot1/p800_P/src/lib/zu/amqzxmb0.c
    ,             |
    | Line Number       :- 10994
                  |
    | Build Type        :- IKAP - (Production)
                  |
    | Program Name      :- amqzxma0
                  |
    | Arguments         :- -m QM2 -u mqsystem
                  |
    | Addressing mode   :- 64-bit
                  |
    | Thread            :- 1    ECMain
                  |
    | UserApp           :- FALSE
                  |
    | Major Errorcode   :- MQRC_Q_MGR_STOPPING
                  |
    | Minor Errorcode   :- OK
                  |
    | Probe Type        :- INCORROUT
                  |
    | Probe Severity    :- 4
                  |
    | Probe Description :- AMQ6125: An internal IBM MQ Appliance err
    or has        |
    |   occurred.
                  |
    | FDCSequenceNumber :- 0
                  |
    |
                  |
    +---------------------------------------------------------------
    --------------+
    MQM Function Stack
    amqzxma0
    zxcExecutionController
    zxcStopAgents
    xcsFFST
    

Local fix

Problem summary

  • ****************************************************************
    USERS AFFECTED:
    This is a very low impact problem and only affects customers
    that start and stop queue managers in very quick succession.
    
    
    Platforms affected:
    MultiPlatform
    
    ****************************************************************
    PROBLEM DESCRIPTION:
    The FDC indicates that one of MQ's internal tasks received
    MQRC_Q_MGR_STOPPING during initialisation, but there was no
    provision in the internal logic of the task to handle this
    reason code at this point. The task ended as a result of this
    issue but it had no impact because the queue manager was ending
    anyway.
    
    This APAR fixes a similar, but distinct, issue to that reported
    in IT15208
    

Problem conclusion

  • The affected internal tasks within the MQ queue manager have
    been updated to correctly handle the MQRC_Q_MGR_STOPPING reason
    code.
    
    ---------------------------------------------------------------
    The fix is targeted for delivery in the following PTFs:
    
    Version    Maintenance Level
    v8.0       8.0.0.6
    v9.0 CD    9.0.2
    v9.0 LTS   9.0.0.2
    
    The latest available maintenance can be obtained from
    'WebSphere MQ Recommended Fixes'
    http://www-1.ibm.com/support/docview.wss?rs=171&uid=swg27006037
    
    If the maintenance level is not yet available information on
    its planned availability can be found in 'WebSphere MQ
    Planned Maintenance Release Dates'
    http://www-1.ibm.com/support/docview.wss?rs=171&uid=swg27006309
    ---------------------------------------------------------------
    

Temporary fix

Comments

APAR Information

  • APAR number

    IT18932

  • Reported component name

    WMQ BASE MULTIP

  • Reported component ID

    5724H7251

  • Reported release

    800

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2017-01-23

  • Closed date

    2017-01-31

  • Last modified date

    2017-03-10

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

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

Fix information

  • Fixed component name

    WMQ BASE MULTIP

  • Fixed component ID

    5724H7251

Applicable component levels

  • R800 PSY

       UP

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Document Information

Modified date:
10 March 2017