IV75746: QUEUE MANAGER FAILS TO START WITH FDC AT098020 AFTER NORMAL OR ABNORMAL SHUTDOWN

APAR status

• Closed as program error.

Error description

• When attempting to restart a queue manager, after stopping the
  queue manager it fails to restart.
  FFST records with the following pattern are created.
  
  amqzxma0 17262 1 AT098020 atmReinstateTransaction
  krcE_UNEXPECTED_ERROR OK
  amqzxma0 17262 1 AO028002 apiReplayLogRecord
  krcE_UNEXPECTED_ERROR OK
  amqzxma0 17262 1 KN002003 kpiStartup
  krcE_UNEXPECTED_ERROR OK
  amqzxma0 17262 1 ZX146001 zxcStartupLogic
  MQRC_UNEXPECTED_ERROR OK
  

Local fix

Problem summary

• ****************************************************************
  USERS AFFECTED:
  Queue managers ended normally or abnormally when transactions
  are active are affected by this problem.
  
  
  Platforms affected:
  MultiPlatform
  
  ****************************************************************
  PROBLEM DESCRIPTION:
  When replaying log records during startup the queue manager
  detected two end-transaction log records for the same
  transaction.
  When the second one was replayed the queue manager flagged it as
  an error and the restart failed. While this scenario is not
  expected during normal MQ operation, this response was
  incorrect, as the queue manager should be able to tolerate this
  condition and continue with the restart.
  

Problem conclusion

• MQ has been modified to tolerate two end-transaction log records
  for the same transaction so that the queue manager will not fail
  during restart.
  An informational FDC with Probe Id AT098010 from
  atmReinstateTransaction will be generated when processing the
  second transaction log record.
  
  ---------------------------------------------------------------
  The fix is targeted for delivery in the following PTFs:
  
  Version    Maintenance Level
  v7.1       7.1.0.8
  v7.5       7.5.0.6
  v8.0       8.0.0.4
  
  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

  WMQ LIN X86 V7

• Fixed component ID

  5724H7224

Applicable component levels