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IT29169: amqzxma0 not ending during queue manager shutdown

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APAR status

  • Closed as program error.

Error description

  • When the queue manager was shutdown the amqzxma0 process did not
    end  even
    after all the queue manager processes ended. The following FDCs
    were generated.
    
    2019/05/03 13:36:25.399524+7158 amqzxma0 107062  9 XY470031
    xcsSimplePipeAccept xecF_E_UNEXPECTED_SYSTEM_RC
    2019/05/03 13:36:25.419282+7158 amqzxma0 107062  9 ZX206030
    zxcHealthListener   xecF_E_UNEXPECTED_SYSTEM_RC
    
    Probe Id          :- XY470031
    Component         :- xcsSimplePipeAccept
    Program Name      :- amqzxma0
    Thread            :- 9    QMgrHealth
    Major Errorcode   :- xecF_E_UNEXPECTED_SYSTEM_RC
    Arith1            :- 24 (0x18)
    Comment1        :- accept
    MQM Function Stack
    zxcTaskReply
    zxcHealthListener
    xcsSimplePipeAccept
    xcsFFST
    
    Probe Id          :- ZX206030
    Component         :- zxcHealthListener
    Program Name      :- amqzxma0
    Thread            :- 9    QMgrHealth
    Major Errorcode   :- xecF_E_UNEXPECTED_SYSTEM_RC
    MQM Function Stack
    zxcTaskReply
    zxcHealthListener
    xcsFFST
    

Local fix

Problem summary

  • ****************************************************************
    USERS AFFECTED:
    All users of MQ version 9.1.x CD.
    
    
    Platforms affected:
    MultiPlatform
    
    ****************************************************************
    PROBLEM DESCRIPTION:
    The problem occurred because of an error condition on queue
    manager health check thread was not correctly handled  during
    queue manager shutdown and this caused a hang in the amqzxma0
    process.
    

Problem conclusion

  • The IBM MQ code has been modified to correctly handle the error
    condition in the health check thread.
    
    ---------------------------------------------------------------
    The fix is targeted for delivery in the following PTFs:
    
    Version    Maintenance Level
    v9.1 CD    9.1.4
    
    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

    IT29169

  • Reported component name

    IBM MQ BASE MP

  • Reported component ID

    5724H7271

  • Reported release

    912

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2019-05-16

  • Closed date

    2019-07-12

  • Last modified date

    2022-09-06

  • 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

    IBM MQ BASE MP

  • Fixed component ID

    5724H7271

Applicable component levels

[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSYHRD","label":"IBM MQ"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"912","Line of Business":{"code":"LOB45","label":"Automation"}}]

Document Information

Modified date:
06 September 2022