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DB2 - Problem description

Problem IC76998 Status: Closed

DB2TCP_CLIENT_RCVTIMEOUT IS SET TO 0 IF YOU ISSUE CONNECT STATEM ENT FOR
MULTIPLE TIMES WITHOUT DISCONNECT OR CONNECT RESET.

product:
DB2 FOR LUW / DB2FORLUW / 950 - DB2
Problem description:
If you issued CONNECT statement multiple times without any 
DISCONNECT or CONNECT RESET between them, DB2's registry 
variable DB2TCP_CLIENT_RCVTIMEOUT would be set to 0 ever since 
the 2nd time of CONNECT statement. 
 
This problem only happens when both DB2TCP_CLIENT_RCVTIMEOUT and 
DB2TCP_CLIENT_CONTIMEOUT are enabled.
Problem Summary:
**************************************************************** 
* USERS AFFECTED:                                              * 
* All users of version 9.5 on Linux, Unix and Windows          * 
* platforms.                                                   * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* If you issued CONNECT statement multiple times without any   * 
* DISCONNECT or CONNECT RESET between them, DB2's registry     * 
* variable DB2TCP_CLIENT_RCVTIMEOUT would be set to 0 ever     * 
* since the 2nd time of CONNECT statement.                     * 
*                                                              * 
* This problem only happens when both DB2TCP_CLIENT_RCVTIMEOUT * 
* and DB2TCP_CLIENT_CONTIMEOUT are enabled.                    * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Upgrade to DB2 UDB Version 9.5 FixPak 9 or higher levels.    * 
****************************************************************
Local Fix:
1. Starting from the 2nd CONNECT statement, issue DISCONNECT or 
CONNECT RESET statement prior to CONNECT statement. 
2. Use DB2TCP_CLIENT_RCVTIMEOUT only, do not use registry 
variable DB2TCP_CLIENT_CONTIMEOUT.
available fix packs:
DB2 Version 9.5 Fix Pack 9 for Linux, UNIX, and Windows
DB2 Version 9.5 Fix Pack 10 for Linux, UNIX, and Windows

Solution
First fixed in DB2 UDB Version 9.5 FixPak 9.
Workaround
1. Starting from the 2nd CONNECT statement, issue DISCONNECT or 
CONNECT RESET statement prior to CONNECT statement. 
2. Use DB2TCP_CLIENT_RCVTIMEOUT only, do not use registry 
variable DB2TCP_CLIENT_CONTIMEOUT.
BUG-Tracking
forerunner  : APAR is sysrouted TO one or more of the following: IC79572 
follow-up : 
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
16.06.2011
12.03.2012
12.03.2012
Problem solved at the following versions (IBM BugInfos)
9.0.,
9.5.
Problem solved according to the fixlist(s) of the following version(s)
9.5.0.9 FixList