APAR status
Closed as program error.
Error description
During connection binding negotiation, MQ channel fails to connect to the Queue Manager due to a network error. If the channel is a SVRCONN the client application receives reason code MQRC_CONNECTION_BROKEN (2009) from MQCONN/MQCONNX. A SIGSEGV is observed and a Failure Data Capture (FDC) record is generated.
Local fix
N/A
Problem summary
**************************************************************** USERS AFFECTED: All users of WebSphere MQ Version 8 Platforms affected: MultiPlatform **************************************************************** PROBLEM DESCRIPTION: During MQ channel connection, a process called channel binding negotiation occurs. If this process is interrupted by a network error, the channel connection is terminated causing the blocks in memory to be freed. A programming error meant that the code blocks were being freed twice and causing the memory exception.
Problem conclusion
The code has been modified to avoid the double free and the memory exception. --------------------------------------------------------------- The fix is targeted for delivery in the following PTFs: Version Maintenance Level v8.0 8.0.0.13 v9.1 CD 9.1.3 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
IT20455
Reported component name
WMQ BASE MULTIP
Reported component ID
5724H7241
Reported release
750
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2017-05-04
Closed date
2019-05-10
Last modified date
2019-05-10
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
[{"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