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From "Gabor Horvath (JIRA)" <j...@apache.org>
Subject [jira] Created: (POOL-163) GenericKeyedObjectPool.borrowObject does not invalidate object if validateObject fails
Date Thu, 15 Apr 2010 07:50:49 GMT
GenericKeyedObjectPool.borrowObject does not invalidate object if validateObject fails
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                 Key: POOL-163
                 URL: https://issues.apache.org/jira/browse/POOL-163
             Project: Commons Pool
          Issue Type: Bug
    Affects Versions: 1.5.4
         Environment: Windows, java version "1.6.0_06", Torque 3.3 (DBCP 1.4, jTDS 1.2.5)
            Reporter: Gabor Horvath


GenericKeyedObjectPool.borrowObject does not invalidate object if validateObject fails (line
~1200). I guess invalidation would be needed for objects which are not newly created (newlyCreated
flag in the code).

Scenario:
1.) DB connection put into pool
2.) Attempt to reuse connection (borrowObject)
3.) Test on borrow (executing simple SQL query) fails: DB connection closed on jTDS level
but connection remains in the pool
4.) Subsequent attempts to reuse the connection causes "java.sql.SQLException: Invalid state,
the Connection object is closed"


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