IT33490: Triggered channels slow to start and messages build up on SYSTEM.CHANNEL.INITQ

APAR status

• Closed as program error.

Error description

• In a queue manager configured with Adopt MCA and channel
  triggering
  the channels are slow to start. Additionally the
  SYSTEM.CHANNEL.INITQ
  queue depth increases and takes a long period of time to
  decrease.
  

Local fix

Problem summary

• ****************************************************************
  USERS AFFECTED:
  Users using several SDR channels and the Adopt MCA feature
  likely to be affected this problem.
  
  
  Platforms affected:
  MultiPlatform
  
  ****************************************************************
  PROBLEM DESCRIPTION:
  A defect in MQ channel status table lock management when
  adopting a channel caused the messages to be processed slowly
  resulting in slow channel startup and high queue depth in
  SYSTEM.CHANNEL.INITQ.
  

Problem conclusion

• MQ code has been modified to resolve problem in MQ channel
  status table lock management.
  
  ---------------------------------------------------------------
  The fix is targeted for delivery in the following PTFs:
  
  Version    Maintenance Level
  v9.1 LTS   9.1.0.7
  v9.2 LTS   9.2.0.1
  
  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