APAR status
Closed as program error.
Error description
An application connected using MQCNO_FASTPATH_BINDING and calling MQGET using a wait interval exceeding 1000000000 milliseconds (just over 11.5 days) generates FDCs with Probe Id XC332010 and KN107001 with: Component :- kqiWaitForABit Major Errorcode :- xecF_E_UNEXPECTED_RC Major Errorcode :- xecL_E_INVALID_PARAM
Local fix
Using MQWI_UNLIMITED instead of any value over a billion milliseconds avoids the FDCs.
Problem summary
**************************************************************** USERS AFFECTED: Users of FASTPATH applications which specify unusually large MQGMO WaitInterval values who have applied a fix for APAR IT22173 may be affected by this problem. Platforms affected: MultiPlatform **************************************************************** PROBLEM DESCRIPTION: This problem was caused by validation code added under APAR IT22173.
Problem conclusion
The fix for IT22173 comprised of the validation code and a check for EINVAL from a futex syscall. The validation code is not necessary for the fix to be considered complete and so has been removed. --------------------------------------------------------------- The fix is targeted for delivery in the following PTFs: Version Maintenance Level v8.0 8.0.0.12 v9.0 LTS 9.0.0.6 v9.1 CD 9.1.2 v9.1 LTS 9.1.0.2 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
IT26428
Reported component name
IBM MQ BASE MP
Reported component ID
5724H7251
Reported release
800
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2018-09-26
Closed date
2019-01-11
Last modified date
2019-01-11
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
IBM MQ BASE MP
Fixed component ID
5724H7251
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":"8.0.0.0","Edition":"","Line of Business":{"code":"LOB45","label":"Automation"}}]
Document Information
Modified date:
11 January 2019