PI14254: A PUT TO A TOPIC RETURNS MQRC_NONE INSTEAD OF MQRC_MSG_NOT_ALLOWED_IN_GROUP. THE MESSAGE GOES TO DLQ.

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• The customer has a CICS application that is attempting to write
  to an alias queue that was pointing to a queue. They are looking
  to convert to using a topic. When the alias is in place and a
  message is written to it, there is no message put onto any of
  the subscriptions. They do not appear to have any errors
  returned to the calling application or any violations in the
  MSTR log. When they remove the alias and put in a physical queue
  with no code changes message are written to that queue with no
  issues.
  .
  In a GTF trace of CICS and MQ during the MQPUT and the MQGET,
  the PUT receives MQRC_NONE. When the message is put, an attempt
  is made to put to each of the queues associated with these
  subscribers - C.SUB.REQ and B.SUB.REQ, however both puts fail
  with MQRC_MDE_ERROR, and the message is written to the dead
  letter queue with the MQRC in the DLH. In this instance the put
  should be failing with MQRC 2417 (MQRC_MSG_NOT_ALLOWED_IN_GROUP)
  to report this, rather than failing to deliver messages with
  MQRC_MDE_ERROR.
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED: All users of WebSphere MQ for z/OS Version 7 *
  *                 Release 1 Modification 0.                    *
  ****************************************************************
  * PROBLEM DESCRIPTION: When a message with values entered in   *
  *                      the MsgFlags field is put to a pub/sub  *
  *                      topic an MQRC_MDE_ERROR 2248 is         *
  *                      returned and the message is put to the  *
  *                      dead letter queue.                      *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  Message groups are not supported with pub/sub. If a message is
  put to a topic with MsgFlags an MQRC_MSG_NOT_ALLOWED_IN_GROUP
  2417 should be returned.  Instead, an MQRC_MDE_ERROR 2248 is
  erroneously returned and the message put to the dead letter
  queue.
  

Problem conclusion

• The code was changed to return an MQRC2417 error when a message
  is put to a pub/sub with message group flags.
  100Y
  CSQMTPUV
  

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:

  UI17109

Modules/Macros

• CSQMTPUV
  

Fix information

• Fixed component name

  WMQ Z/OS V7

• Fixed component ID

  5655R3600

Applicable component levels

• R100 PSY UI17109

     UP14/05/17 P F405

Fix is available

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