APAR status
Closed as program error.
Error description
When a COM+ application aborts the transaction, an access violation may be reported and the dllhost.exe process crashes. This generates a dump. Here is an example of stack: amqmtmgr.dll!CDtc::AbortRequest() msdtcprx.dll!CIEnlistmentAsynch::AbortRequestWrapper() msdtcprx.dll!CIEnlistmentAsynch::SetState() msdtcprx.dll!CIEnlistmentAsynch::SMD_ESTATE_ENLISTED() msdtcprx.dll!CIEnlistmentAsynch::StateMachineDriver() msdtcprx.dll!CIEnlistmentAsynch::Receive() msdtcprx.dll!CIConnSink::ReceivedUserMessage() msdtcprx.dll!CIConnSink::IncomingEvent() msdtcprx.dll!CConnectionObject::DeliverIncomingEvents()
Local fix
Problem summary
**************************************************************** USERS AFFECTED: MQ XA applications that uses MSDTC as the transaction manager. Platforms affected: Windows **************************************************************** PROBLEM DESCRIPTION: A memory access violation error is reported while aborting a transaction following a MQRC_GLOBAL_UOW_CONFLICT error. The error MQRC_GLOBAL_UOW_CONFLICT is reported if the application starts a new transaction on a connection handle that is already part of another active transaction.
Problem conclusion
The memory access violation error is reported while accessing an invalid memory address. A check is introduced to validate the address before accessing it. --------------------------------------------------------------- The fix is targeted for delivery in the following PTFs: Version Maintenance Level v7.0 7.0.1.14 v7.1 7.1.0.7 v7.5 7.5.0.6 v8.0 8.0.0.3 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
IT07278
Reported component name
WMQ WINDOWS V7
Reported component ID
5724H7220
Reported release
701
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2015-02-20
Closed date
2015-04-30
Last modified date
2015-04-30
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
R701 PSY
UP
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Document Information
Modified date:
31 March 2023