APAR status
Closed as program error.
Error description
The default stack size on Windows is 1MB in ACE v11 and v12 whereas it is 2MB in IIB v10. This reduction can cause STACK_OVERFLOW_ERROR abends, especially when throwing an exception in a catch branch of a message flow.
Local fix
Set the MQSI_THREAD_STACK_SIZE environment variable in mqsiprofile.cmd to the integer 2097152 or greater to increase the stack size to 2MB+.
Problem summary
**************************************************************** USERS AFFECTED: All users of IBM App Connect Enterprise on Windows. Platforms affected: Windows on x86-64 platform **************************************************************** PROBLEM DESCRIPTION: The default stack size on Windows is 1MB in ACE v11 and v12 whereas it is 2MB in IIB v10. This reduction can cause STACK_OVERFLOW_ERROR abends, especially when throwing an exception in a catch branch of a message flow.
Problem conclusion
The default stack size has been increased to 2MB on Windows. --------------------------------------------------------------- The fix is targeted for delivery in the following PTFs: Version Maintenance Level v11.0 11.0.0.17 v12.0 12.0.4.0 The latest available maintenance can be obtained from: http://www-01.ibm.com/support/docview.wss?rs=849&uid=swg27006041 If the maintenance level is not yet available,information on its planned availability can be found on: http://www-1.ibm.com/support/docview.wss?rs=849&uid=swg27006308 ---------------------------------------------------------------
Temporary fix
Comments
APAR Information
APAR number
IT39018
Reported component name
APP CONNECT ENT
Reported component ID
5724J0550
Reported release
B00
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2021-11-09
Closed date
2022-02-22
Last modified date
2022-03-08
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
APP CONNECT ENT
Fixed component ID
5724J0550
Applicable component levels
[{"Line of Business":{"code":"LOB45","label":"Automation"},"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSDR5J","label":"IBM App Connect Enterprise"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"B00"}]
Document Information
Modified date:
08 March 2022