PH05140: ABEND0C4-04 IN CSQXREXT+06EAC USING A CHANNEL EXIT AND SHARECNV>0.

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• ABEND0C4-00000004 in CSQXREXT+06EAC using a channel exit and
  SHARECNV>0.
  

Local fix

• n/a
  

Problem summary

• ****************************************************************
  * USERS AFFECTED: All users of IBM MQ for z/OS Version 8       *
  *                 Release 0 Modification 0.                    *
  ****************************************************************
  * PROBLEM DESCRIPTION: S0C4 abend may be seen in CSQXREXT      *
  *                      module when using channel exit with     *
  *                      SHARECNV>0                              *
  ****************************************************************
  In a specific scenario where we are using a multiplexed channel,
  SHARECNV value > 0, on a callback thread, the abend occurs in
  the rriCallSndExit function while testing the StatisticsToggle
  flag since it was not initialised.
  

Problem conclusion

• The CSQXRSTM module has been updated (called prior to where
  problem occurs) to ensure all the affected pointers or
  variables have been initialised properly for all circumstances
  

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:

  PH10849 UI63630

Modules/Macros

• CSQXRSTM
  

Fix information

• Fixed component name

  IBM MQ Z/OS V8

• Fixed component ID

  5655W9700

Applicable component levels

• R000 PSY UI63630

     UP19/07/23 P F907

Fix is available

• Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.