APAR status
Closed as program error.
Error description
IBM MQ .NET libraries could generate a failure data capture (FDC) record with the following probe when using automatic client reconnect to recover from a connection problem; | Probe Id :- DN121701 | Component :- MQManagedReconnectableThread.Run() | Major Errorcode :- 0x20009546 Comment2 :- Collection was modified; enumeration
Local fix
Problem summary
**************************************************************** USERS AFFECTED: Users using managed .NET client applications with multiplexing (SHARECNV > 0) and the automatic client reconnect feature may be affected. Platforms affected: MultiPlatform **************************************************************** PROBLEM DESCRIPTION: A logic error was present in the managed .NET automatic client reconnect client that could cause a data structure to be modified while the client was iterating over it, causing an exception to be generated when reopening queues, topics and subscriptions.
Problem conclusion
The IBM MQ managed .NET client reconnection logic has been updated to correct this error. --------------------------------------------------------------- The fix is targeted for delivery in the following PTFs: Version Maintenance Level v9.0 LTS 9.0.0.8 v9.1 LTS 9.1.0.3 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
IJ12535
Reported component name
IBM MQ XMS V9.0
Reported component ID
5724H7267
Reported release
900
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2019-01-06
Closed date
2019-07-31
Last modified date
2019-07-31
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 XMS V9.0
Fixed component ID
5724H7267
Applicable component levels
[{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSYHRD","label":"IBM MQ"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"9.0","Edition":"","Line of Business":{"code":"LOB45","label":"Automation"}}]
Document Information
Modified date:
31 July 2019