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From "Hassan Sajjad (JIRA)" <j...@apache.org>
Subject [jira] Created: (POOL-151) Eviction thread is able to remove (destroy) in-flight (borrowed) objects
Date Tue, 13 Oct 2009 16:09:31 GMT
Eviction thread is able to remove (destroy) in-flight (borrowed) objects
------------------------------------------------------------------------

                 Key: POOL-151
                 URL: https://issues.apache.org/jira/browse/POOL-151
             Project: Commons Pool
          Issue Type: Bug
    Affects Versions: 1.5.3
            Reporter: Hassan Sajjad
            Priority: Blocker


Under high concurrent use, the eviction thread can temper with an in-use object from the pool,
potentially causing catastrophic results, as illustrate in the below log from our use. Note
the object - in our case JMSSession is closed in-flight (after message send but before commit),
causing the commit to fail with {{javax.jms.IllegalStateException: MQJMS1024: session closed}}
error.

{noformat}
2009-10-12 15:08:40,254 DEBUG [asyncDelivery59] Borrowed session com.ibm.mq.jms.MQQueueSession@40bc88
for jms connector 
2009-10-12 15:08:40,341 DEBUG [Timer-0] Physically closing com.ibm.mq.jms.MQQueueSession@40bc88
for connector 
2009-10-12 15:08:40,669 DEBUG [asyncDelivery59] Returning session com.ibm.mq.jms.MQQueueSession@40bc88
for jms conn
ector
2009-10-12 15:08:40,433 ERROR [asyncDelivery59] Exception caught while committing transaction
[com.ibm.mq.jms.MQQueueSession@40bc88]
{noformat}


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