Fixes are available
APAR status
Closed as program error.
Error description
An RM576002 FDC could be generated when quiescing a WebSphere MQ V7 queue manager that has client connections in an MQGET wait with MQGMO_FAIL_IF_QUIESCING set. The following function stack would be seen: zstAsyncConsumeThread zstAsyncConsumer zstExceptionToCallbacks zstUserCallback
Local fix
Problem summary
**************************************************************** USERS AFFECTED: Users of WebSphere MQ V7.0 may encounter this issue when ending a queue manager, if they have client connections using MQGMO_FAIL_IF_QUIESCING on an MQGET wait call. Platforms affected: All Distributed (iSeries, all Unix and Windows) **************************************************************** PROBLEM SUMMARY: There is a timing window which means that a channel conversation could be ended on one thread whilst another thread still had access to that conversation.
Problem conclusion
The timing window causing the problem was eliminated. --------------------------------------------------------------- The fix is targeted for delivery in the following PTFs: v7.0 Platform Fix Pack 7.0.1.8 -------- -------------------- Windows U200335 AIX U845856 HP-UX (PA-RISC) U847965 HP-UX (Itanium) U847970 Solaris (SPARC) U847966 Solaris (x86-64) U847972 iSeries 7.0.1.8 Linux (x86) U847967 Linux (x86-64) U847971 Linux (zSeries) U847968 Linux (Power) U847969 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
IV11253
Reported component name
WMQ AIX V7
Reported component ID
5724H7221
Reported release
701
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2011-11-25
Closed date
2012-01-10
Last modified date
2012-01-10
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
WMQ AIX V7
Fixed component ID
5724H7221
Applicable component levels
R701 PSY
UP
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Document Information
Modified date:
31 March 2023