IT29169: amqzxma0 not ending during queue manager shutdown

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 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