IT40807: FDC with probe identifier KN467022 generated on queue manager startup

APAR status

• Closed as program error.

Error description

• IBM MQ is installed in a new environment and not used by
  applications.
  Pub/Sub is enabled but not used by any application; there are
  no subscriptions and there is no cluster.
  A failure data capture (FDC) record was generated:
  | Probe Id          :- KN467022
  | Component :- kqiReconcileDurableSubscribers
  | Major Errorcode :- krcE_SUB_ALREADY_EXISTS
  | Probe Type :- INCORROUT
  | Probe Severity :- 2
  | Probe Description :- AMQ6125E: An internal IBM MQ error has
  occurred.
  | Comment1 :- Multiple SubIds detected for Subname
  +-------------------------------------------------------------
  MQM Function Stack
  zmuThreadMain
  zmuDurableSubscriptionManagerTask
  kpiDurableSubscriptionManagerTask
  kqiReconcileDurableSubscribers
  xcsFFST
  

Local fix

Problem summary

• ****************************************************************
  USERS AFFECTED:
  Users with unreliable disk or disk subsystems are more likely to
  be affected by this issue.
  
  
  Platforms affected:
  MultiPlatform
  
  ****************************************************************
  PROBLEM DESCRIPTION:
  A failure to commit a buffered write to the queue manager object
  when the crtmqm command was run caused a subsequent strmqm
  command to incorrectly attempt to migrate subscription objects.
   This caused an FDC with probe identifier KN467022 to be
  generated,
  and the queue manager failed to start.
  

Problem conclusion

• The IBM MQ code was corrected so that updates to object
  definitions are written to object files on disk synchronously,
  rather than relying on buffered writes.
  
  ---------------------------------------------------------------
  The fix is targeted for delivery in the following PTFs:
  
  Version    Maintenance Level
  v9.2 LTS   9.2.0.15
  
  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

  MQ BASE V9.2

• Fixed component ID

  5724H7281

Applicable component levels