[jbossts-issues] [JBoss JIRA] (JBTM-1840) Incorrect handling of multi-threaded access to JCA connections

Eytan David (JIRA) jira-events at lists.jboss.org
Sun Jul 14 11:54:26 EDT 2013

Eytan David created JBTM-1840:

             Summary: Incorrect handling of multi-threaded access to JCA connections 
                 Key: JBTM-1840
                 URL: https://issues.jboss.org/browse/JBTM-1840
             Project: JBoss Transaction Manager
          Issue Type: Bug
      Security Level: Public (Everyone can see)
          Components: JCA
    Affects Versions: 6.0.0.Final
         Environment: Red Hat Linux, Jboss EAP 6.0
            Reporter: Eytan David
            Assignee: Tom Jenkinson

The issue JBPAPP-5596 which according to the documentation should have been resolved in Jboss EAP 5.1.1, still occurs in EAP 6.0

The case describes a situation in which a long transaction (in a service handled by JTA) is set to be rolled back, but gets into a dead lock with the reaper thread.

Deadlock as described in the stack trace:

Found one Java-level deadlock:
  waiting for ownable synchronizer 0xb22a2e58, (a java.util.concurrent.locks.ReentrantLock$NonfairSync),
  which is held by "http-"
  waiting to lock monitor 0x4e200ef4 (object 0xaa937ab0, a com.arjuna.ats.internal.jta.transaction.arjunacore.AtomicAction),
  which is held by "Thread-20"

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