APAR status
Closed as program error.
Error description
An XMS or managed .NET application which is configured with multiple connection names for a queue manager is observed to hang when failing over between entries in the namelist or CCDT, for example when "endmqm -ir" is run against the active queue manager instance.
Local fix
Problem summary
**************************************************************** USERS AFFECTED: This issue affects users of XMS or managed .NET MQ client applications which are configured with multiple connection names for a queue manager - either via a connectionnamelist property, or a CCDT file. Platforms affected: Windows **************************************************************** PROBLEM DESCRIPTION: A logic error in the MQ Managed .Net client reconnection thread synchronization caused the hang.
Problem conclusion
Thread synchronization of MQ managed .Net client code has been corrected when multiple connection names are used to connect to queue manager. --------------------------------------------------------------- The fix is targeted for delivery in the following PTFs: Version Maintenance Level v8.0 8.0.0.16 v9.0 LTS 9.0.0.11 v9.1 LTS 9.1.0.7 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
IT30274
Reported component name
IBM MQ APPL M20
Reported component ID
5725Z0900
Reported release
800
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2019-09-12
Closed date
2020-10-15
Last modified date
2020-10-15
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
IBM MQ APPL M20
Fixed component ID
5725Z0900
Applicable component levels
[{"Line of Business":{"code":"LOB36","label":"IBM Automation"},"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SS5K6E","label":"IBM MQ Appliance"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"8.0"}]
Document Information
Modified date:
16 October 2020