A fix is available
APAR status
Closed as program error.
Error description
Must complete status isn't always detected during end of task (EOT). This can result in hangs in the QMGR. This problem was introduced by APAR PH50324, which was repackaged into APAR PH55841.
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: All users of IBM MQ for z/OS Version 9 * * Release 1 Modification 0, * * Release 2 Modification 0 and * * Release 3 Modification 0. * **************************************************************** * PROBLEM DESCRIPTION: When a task connected to the QMGR, * * including internal service tasks, goes * * through end of task (EOT) processing, * * it is possible for the queue manager * * to hang as a result of must complete * * status not always being correctly * * detected. * **************************************************************** The code that handles must complete status checking during end of task processing incorrectly detected that the task was not in a must complete state. This resulted in the queue manager not being terminated as expected.
Problem conclusion
The code has been changed to correctly determine must complete status during end of task. As a result, the queue manager now terminates with reason 00F30429 as expected, thus preventing queue manager hangs.
Temporary fix
Comments
APAR Information
APAR number
PH58298
Reported component name
IBM MQ Z/OS V9
Reported component ID
5655MQ900
Reported release
100
Status
CLOSED PER
PE
YesPE
HIPER
YesHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2023-11-21
Closed date
2024-01-12
Last modified date
2024-02-01
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
UI95205 UI95206 UI95207
Modules/Macros
CSQ3SSI1
Fix information
Fixed component name
IBM MQ Z/OS V9
Fixed component ID
5655MQ900
Applicable component levels
R100 PSY UI95206
UP24/01/18 P F401
R200 PSY UI95205
UP24/01/18 P F401
R300 PSY UI95207
UP24/01/18 P F401
Fix is available
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Document Information
Modified date:
01 February 2024