A fix is available
APAR status
Closed as program error.
Error description
An .NET application attempts to connect and put to a queue manager, and fails reporting return code 2232 (MQRC_UNIT_OF_WORK_NOT_STARTED). WebSphere MQ trace of the .NET application process shows the following: IBM.WMQ.Nmqi.NmqiException Message: Exception of type 'IBM.WMQ.Nmqi.NmqiException' was thrown. StackTrace: at IBM.WMQ.Nmqi.ManagedHconn.CheckUOWNotMixed(Int32 Opts, Int32 mqOp) at IBM.WMQ.MQFAP.TransactionCheck(ManagedHconn hconn, Int32 options, Int32 operation) at IBM.WMQ.MQFAP.MQPUT(Hconn hConn, Hobj hObj, MQMessageDescriptor& mqmd, MQPutMessageOptions& mqpmo, Int32 sbLength, Byte■ . --}! MQDestination.Put(MQMessage,MQPutMessageOptions) (rc=MQRC_UNIT_OF_WORK_NOT_STARTED)
Local fix
Problem summary
**************************************************************** USERS AFFECTED: Users with WebSphere MQ .Net applications that use distributed transactions. The transactions may or may not be coordinating the MQ operations. Platforms affected: Windows **************************************************************** PROBLEM DESCRIPTION: Implementation of the WebSphere MQ .Net transaction support incorrectly assumed that all messages would be managed under syncpoint.
Problem conclusion
Code design was corrected. --------------------------------------------------------------- The fix is targeted for delivery in the following PTFs: Version Maintenance Level v7.5 7.5.0.5 v8.0 8.0.0.1 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
IT03551
Reported component name
WMQ BASE MULTIP
Reported component ID
5724H7241
Reported release
750
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2014-08-01
Closed date
2014-09-01
Last modified date
2014-09-02
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
5724H7241
Applicable component levels
R750 PSY
UP
[{"Line of Business":{"code":"LOB45","label":"Automation"},"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSFKSJ","label":"WebSphere MQ"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"7.5"}]
Document Information
Modified date:
24 September 2021