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DB2 - Problem description

Problem IC72757 Status: Closed

CLI/ODBC APPLICATION MAY GET 'CATASTROPHIC FAILURE' ERROR ON
SQLDRIVERCONNECTW() WHILE DB2TRC IS ON

product:
DB2 FOR LUW / DB2FORLUW / 970 - DB2
Problem description:
CLI/ODBC applications may fail with a "catastrophic error" error 
message when connecting to the database while db2trc is on. 
This has typically been observed in the SQLDriverConnectW() API. 
 
This is a similar case to the following APAR but covers a 
different scenario. 
APAR IC66975 WORKING CLI/ODBC APPLICATIONS WILL EXIT ABNORMALLY 
WHEN DB2TRC IS ON
Problem Summary:
**************************************************************** 
* USERS AFFECTED:                                              * 
* DB2 LUW v9.7                                                 * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* CLI/ODBC APPLICATION MAY GET 'CATASTROPHIC FAILURE' ERROR ON * 
* SQLDRIVERCONNECTW() WHILE DB2TRC IS ON                       * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Upgrade to DB2 LUW v9.7 Fixpack 4 to obtain this fix.        * 
****************************************************************
Local Fix:
Do not turn db2trc on to avoid the error.
available fix packs:
DB2 Version 9.7 Fix Pack 4 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 5 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 6 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 7 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 8 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 9 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 9a for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 10 for Linux, UNIX, and Windows

Solution
First fixed in DB2 LUW v9.7 Fixpack 4
Workaround
The error can be avoided by ensuring db2trc is not turned on.
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
23.11.2010
02.05.2011
02.05.2011
Problem solved at the following versions (IBM BugInfos)
9.7.FP4
Problem solved according to the fixlist(s) of the following version(s)
9.7.0.4 FixList