APAR status
Closed as program error.
Error description
When the following MQ debug environment variables are set AMQ_DEBUG_DAP AMQ_CHECK_SPACE_MAP the queue manager generates the following FDC when starting channels. Probe Id :- AD049010 Component :- aduReleaseFileCtl Program Name :- amqzlaa0 Major Errorcode :- STOP Probe Type :- HALT6109 Probe Description :- AMQ6109: An internal WebSphere MQ error has occurred. ------------------------------------------------------ MQM Function Stack zlaMainThread zlaProcessMessage zlaProcessSPIRequest zlaSPIOpenScratchPad zsqSPIOpenScratchPad kpiSPIOpenScratchPad apiEnquireObject aocEnquireObject aqmAccessScratchPad aqqAccessScratchPad aqpReadData aqpOpen adhOpen aduLocateFileCtl aduLocateProcFileCtl aduReleaseFileCtl xcsFFST The following FDC might also be generated when starting the queue manager when the environment variables are set. Probe Id :- XC130004 Application Name :- MQM Component :- xehExceptionHandler Program Name :- amqzlaa0 Major Errorcode :- STOP Probe Type :- HALT6109 Arith1 :- 11 (0xb) Comment1 :- SIGSEGV: address not mapped(0xc) MQM Function Stack zlaMainThread zlaProcessMessage zlaProcessSPIRequest zlaSPIOpenScratchPad zsqSPIOpenScratchPad kpiSPIOpenScratchPad apiLoadScratchPad aqmLoadScratchPad aqhValidateQueue aqhIdxToPtrFn xcsFFST The environment variables MQ_DEBUG_DAP and AMQ_CHECK_SPACE_MAP are undocumented and reserved for use by IBM MQ support.
Local fix
Unset the following environment variables and restart the queue manager. AMQ_DEBUG_DAP AMQ_CHECK_SPACE_MAP
Problem summary
**************************************************************** USERS AFFECTED: Users using MQ debug environment variables AMQ_DEBUG_DAP and AMQ_CHECK_SPACE_MAP under guidance from IBM MQ support. Platforms affected: MultiPlatform **************************************************************** PROBLEM DESCRIPTION: This problem occurred because MQ was incorrectly debugging non-queue objects.
Problem conclusion
MQ has been modified to fix the incorrect debugging of non-queue objects. AMQ_DEBUG_DAP and AMQ_CHECK_SPACE_MAP are MQ environment variables are used for MQ debugging and not a documented MQ external and are not published. Undocumented MQ debugging environment variables should not be used unless recommended by IBM MQ support. --------------------------------------------------------------- The fix is targeted for delivery in the following PTFs: Version Maintenance Level v7.1 7.1.0.8 v7.5 7.5.0.6 v8.0 8.0.0.4 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
IT10181
Reported component name
WMQ BASE MULTIP
Reported component ID
5724H7251
Reported release
800
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2015-07-20
Closed date
2015-08-20
Last modified date
2015-08-20
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 BASE MULTIP
Fixed component ID
5724H7251
Applicable component levels
R800 PSY
UP
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Document Information
Modified date:
20 August 2015