PH62015: QCF UNLOAD CAUSES ABENDU0790 RC=03 IN IMS WHEN DELETING A TRANS MESSAGE FOR A CONVERSATIONAL TRANSACTION FROM THE QUEUE

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• This ABEND occurs when QCF Unload is deleting a transaction
  message for a conversational transaction from the queue.
  In addition to IMS coming down with ABENDU0790 RC03, QCF
  receives error: IQC4065T QCF/IMS conflict. QCF Aborting
  
  U0790 MSGIQC4065T
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED: All IBM IMS Queue Control Facility for z/OS  *
  *                 Version 3 Release 2 (FMID=H0GN320) users.    *
  ****************************************************************
  * PROBLEM DESCRIPTION: After applying UI90435, ABENDU0790      *
  *                      occurs at DFSUSE00 when QCF Unload is   *
  *                      deleting a transaction message for      *
  *                      a conversational transaction from the   *
  *                      queue.                                  *
  *                      In addition to IMS coming down with     *
  *                      ABENDU0790 RC03, QCF batch receives     *
  *                      error IQC4065T.                         *
  ****************************************************************
  * RECOMMENDATION: Apply the maintenance for this APAR.         *
  ****************************************************************
  After applying UI90435, QCF Unload calls DFSCONX0 with a
  parameter indicating it already owns INUSE when deleting a
  conversational transaction message.
  Just before QCF Unload calls DFSCONX0, the message destined for
  LTERM (CNT) owns INUSE, the message destined for
  transaction (SMB) does not own INUSE.
  This change should be only required for the message destined
  for LTERM (CNT) that owns INSUE, not for the message
  destined for transaction (SMB) that does not own INUSE.
  As a result, message destined for the transaction have an
  inconsistent INUSE state and ABENDU0790 occurs.
  

Problem conclusion

• QCF has been changed to call DFSCONX0 with a parameter
  indicating it already owns INUSE only for messages destined for
  LTERM.
  

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:

  UI98222

Modules/Macros

• IQCQMR2F IQCQMR5E IQCQMR5F IQCXSWRK
  

Fix information

• Fixed component name

  IMS QUEUE CNTL

• Fixed component ID

  5697E9900

Applicable component levels

• R320 PSY UI98222

     UP24/08/31 P F408 {

Fix is available

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