Fixes are available
APAR status
Closed as program error.
Error description
System memory shortages are reported or system crashes. Memory monitoring shows that the memory used by the amqzmuc0.exe process continuously increases until memory resources are exhausted.
Local fix
Apply fix file.
Problem summary
**************************************************************** USERS AFFECTED: All WMQ V7 users running applications that use message properties, typically JMS or publish/subscribe applications, and also using message expiry. Platforms affected: All Distributed (iSeries, all Unix and Windows) **************************************************************** PROBLEM SUMMARY: The expiry task thread in the amqzmuc0 process loops through the message chains removing expired messages. In the loop, memory is obtained to hold message properties. This memory is never freed.
Problem conclusion
WebSphere MQ has been modified so that memory obtained for message properties by expired message processing is freed when expired messages are removed. --------------------------------------------------------------- The fix is targeted for delivery in the following PTFs: v7.0 Platform Fix Pack 7.0.1.0 ## @@@@ -------- -------------------- Windows U200306 AIX U823774 HP-UX (PA-RISC) U823665 HP-UX (Itanium) U823667 Solaris (SPARC) U823772 Solaris (x86-64) U824344 iSeries tbc_p700_0_1_0 Linux (x86) U823664 Linux (x86-64) U823773 Linux (zSeries) U823668 Linux (Power) U823666 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
IC61460
Reported component name
WMQ WINDOWS V7
Reported component ID
5724H7220
Reported release
700
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2009-06-10
Closed date
2009-07-08
Last modified date
2009-07-08
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 WINDOWS V7
Fixed component ID
5724H7220
Applicable component levels
R700 PSY
UP
[{"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":"7.0","Edition":"","Line of Business":{"code":"LOB45","label":"Automation"}}]
Document Information
Modified date:
31 March 2023