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DB2 - Problem description

Problem IT15830 Status: Closed

JCC GSS-API DOES NOT INVOKE THE DB2JCCPLUGIN FREEPLUGIN() METHODIN A
GSS-API FAILURE SCENARIO

product:
DB2 JDBC SQLJ D / DB2DSDRVR / B10 - DB2
Problem description:
Type-4 connectivity:Customer using kerberos setup and using 
plugin property for a new instance plugin in property list, In 
the case of a connection failure, freePlugin() is not invoked, 
results in an infinite chain of failures and connection pool 
unable to ever successfully acquire another connection 
for the next connection attempt. This problem is fixed. (90256)
Problem Summary:
**************************************************************** 
* USERS AFFECTED:                                              * 
* All users using driver releases older than 4.22/3.72         * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* Type-4 connectivity:Customer using kerberos setup and using  * 
* plugin property for a new instance plugin in property list,  * 
* In                                                           * 
* the case of a connection failure, freePlugin() is not        * 
* invoked,                                                     * 
* results in an infinite chain of failures and connection pool * 
*                                                              * 
* will be unable to ever successfully acquire another          * 
* connection                                                   * 
* for the next connection attempt. This problem is fixed.      * 
* (90256)                                                      * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Upgrade to DB2 11.1 fp1                                      * 
****************************************************************
Local Fix:
The GSS-API driver loop should be calling freePlugin() at the 
conclusion 
of a connection attempt, whether it was successful or not
available fix packs:
Db2 Version 11.1 Mod2 Fix Pack2 iFix001 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod2 Fix Pack2 iFix002 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod 3 Fix Pack 3 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod3 Fix Pack3 iFix001 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod3 Fix Pack3 iFix002 for Linux, UNIX, and Windows

Solution
Upgrade to DB2 11.1 fp1
Workaround
not known / see Local fix
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
23.06.2016
06.01.2017
06.01.2017
Problem solved at the following versions (IBM BugInfos)
Problem solved according to the fixlist(s) of the following version(s)