APAR status
Closed as program error.
Error description
When a local durable subscription points to a remote clustered queue that has been set PUT(DISABLED) and a publisher puts a message to the associated topic, a memory exception (SIGSEGV) occurs in the function kqiPutMessageToSubscriber. The amqzlaa0 process fails and the following Failure Data Capture (FDC) record is produced with the following Probe Id, Component, and Function Stack: | Probe Id :- XC130004 | Component :- xehExceptionHandler | Arith1 :- 11 (0xb) | Comment1 :- SIGSEGV: address not mapped(0x34) MQM Function Stack zlaMainThread zlaProcessMessage zlaProcessMQIRequest zlaMQPUT zsqMQPUT kpiMQPUT kqiPutTopic kqiPutMessageToSubscriber xcsFFST
Local fix
Set the problem queue to PUT(ENABLED).
Problem summary
**************************************************************** USERS AFFECTED: Users of MQ publish/subscribe in the error scenario described. Platforms affected: MultiPlatform **************************************************************** PROBLEM DESCRIPTION: In the scenario described, MQ was de-referencing a null pointer.
Problem conclusion
The MQ code has been corrected to cease using a null pointer. --------------------------------------------------------------- The fix is targeted for delivery in the following PTFs: Version Maintenance Level v7.5 7.5.0.10 v8.0 8.0.0.12 v9.0 LTS 9.0.0.7 v9.1 CD 9.1.3 v9.1 LTS 9.1.0.3 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 number
IT28153
Reported component name
WEBSPHERE MQ 7.
Reported component ID
5724H7240
Reported release
750
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2019-02-18
Closed date
2019-03-25
Last modified date
2019-03-25
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
WEBSPHERE MQ 7.
Fixed component ID
5724H7240
Applicable component levels
[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSDEZSF","label":"IBM WebSphere MQ Managed File Transfer for z\/OS"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"7.5","Edition":"","Line of Business":{"code":"LOB45","label":"Automation"}}]
Document Information
Modified date:
31 March 2023