[jboss-jira] [JBoss JIRA] (JBJCA-1344) race condition between PoolFiller and CapacityFiller results in wrong pool statistics

[Martin Simka (JIRA)]

Martin Simka created JBJCA-1344:
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             Summary: race condition between PoolFiller and CapacityFiller results in wrong pool statistics
                 Key: JBJCA-1344
                 URL: https://issues.jboss.org/browse/JBJCA-1344
             Project: IronJacamar
          Issue Type: Bug
            Reporter: Martin Simka
         Attachments: fail.log, pass.log

There seems to be race condition between PoolFiller and CapacityFiller which results in wrong pool statistics

I think what happens is:
 - Both add connections to pool in different threads
 - PoolFiller creates connection, then checks pools size and because pool has already certain size, it doesn't add connection and instead it destroys connection which increases destroyedCount

see [SemaphoreConcurrentLinkedDequeManagedConnectionPool.java#L1163|https://github.com/ironjacamar/ironjacamar/blob/1.4/core/src/main/java/org/jboss/jca/core/connectionmanager/pool/mcp/SemaphoreConcurrentLinkedDequeManagedConnectionPool.java#L1163]



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