APAR status
Closed as program error.
Error description
The memory leak is seen only when queue manager groups in the Client Channel Definition Table (CCDT) file are used in a .NET application. The leak is not seen when the connection is established to a single queue manager using a CCDT. The leak is majorly seen in MQChannelEntry and MQChannelDefinition.
Local fix
Problem summary
**************************************************************** USERS AFFECTED: This issue affects users who have defined queue manager groups in a CCDT file, and are using the CCDT file with a .NET application in managed mode Platforms affected: Windows **************************************************************** PROBLEM DESCRIPTION: The MQ .NET code allocated a data structure for all the channels in the group for every connection, however an omission in the disconnection logic failed to clean up these structures.
Problem conclusion
The MQ .NET code has been modified to clear up the data structures for the CCDT entries on disconnection. --------------------------------------------------------------- The fix is targeted for delivery in the following PTFs: Version Maintenance Level v7.5 7.5.0.8 v8.0 8.0.0.7 v9.0 CD 9.0.3 v9.0 LTS 9.0.0.2 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
IT17392
Reported component name
WEBSPHERE MQ 7.
Reported component ID
5724H7240
Reported release
750
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2016-10-06
Closed date
2017-04-11
Last modified date
2017-04-11
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
WEBSPHERE MQ 7.
Fixed component ID
5724H7240
Applicable component levels
[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSDEZSF","label":"IBM WebSphere MQ Managed File Transfer for z\/OS"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"7.5","Edition":"","Line of Business":{"code":"LOB45","label":"Automation"}}]
Document Information
Modified date:
31 March 2023