IC88141: MQ FSH IN PUB/SUB SUBSCRIBER GOES INTO LOOP THROWING MULTITUDE OF 2009 MESSAGES EVEN IF CHANNEL IS BACK UP ON THE MQ SERVER

APAR status

• Closed as program error.

Error description

• When an MQ front side handler is a pub/sub subscriber and its
  channel is disconnected, the front side handler will go into an
  infinite loop of retries attempting to reconnect even if the
  channel is back up on the MQ side, throwing a multitude of 2009
  MQ error messages.
  

Local fix

Problem summary

• DataPower customers using MQ Front Side Handler with MQ Queue
  Manager Group for Subscription are likely to see this problem.
  
  MQ Front Side Handler using Subscription is not able to use
  Backup MQ Queue Manager while Primary MQ Queue Manager is down,
  and also is not able to use Primary MQ Queue Manager again even
  when Primary MQ Queue Manager has come back up.
  

Problem conclusion

• The fix is available in 3.8.2.17, 4.0.1.15, 4.0.2.11 and
  5.0.0.5
  
  For a list of the latest fix packs available, please see:
  http://www-01.ibm.com/support/docview.wss?uid=swg21237631
  

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

  DTPWR INTGRAPL

• Fixed component ID

  DP905XI52

Applicable component levels

• R401 PSY

     UP

• R402 PSY

     UP

• R500 PSY

     UP