IT41530: The dmpmqmsg utility is not able to browse an AMS-protected queue containing a message larger than 6700 bytes

APAR status

• Closed as program error.

Error description

• Running dmpmqmsg -c for a message of 9230 bytes in a queue,
  dmpmqmsg returns 0 messages.
  it is possible to browse and see the message in MQ Explorer.
  
  dmpmqmsg -b15 -m QM1 -iQUEUE.1 -Ftest.txt -c -u username
  Read - Files : 0 Messages:0 Bytes:0 Written - Files : 0
  Messages:0 Bytes:0
  
  The issue seems to appear with messages larger than ~6665
  bytes
  are not returned by dmpmqmsg (the exact size will vary slightly
  depending on the encrypted size of the payload).
  

Local fix

Problem summary

• ****************************************************************
  USERS AFFECTED:
  Those connecting MQ clients to SVRCONN channels which have an
  Advanced Message Security interceptor policy defined.
  
  
  Platforms affected:
  MultiPlatform
  
  ****************************************************************
  PROBLEM DESCRIPTION:
  When dmpmqmsg was connected using client mode ("-c") to a queue
  manager via a SVRCONN channel which was is configured to use an
  AMS interceptor, then a programming error in MQ caused the queue
  manager to return rc=2033 MQRC_NO_MSG_AVAILABLE when the queue
  contained messages larger than ~6700 bytes.
  

Problem conclusion

• The programming error has been fixed.
  
  ---------------------------------------------------------------
  The fix is targeted for delivery in the following PTFs:
  
  Version    Maintenance Level
  v9.2 LTS   9.2.0.7
  v9.3 LTS   9.3.0.2
  v9.x CD    9.3.2
  
  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