[jbossts-issues] [JBoss JIRA] (JBTM-3021) Running afterCompletion from reaper thread can get ConcurrentModificationException

[Tom Jenkinson (JIRA)]

Tom Jenkinson created JBTM-3021:
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             Summary: Running afterCompletion from reaper thread can get ConcurrentModificationException
                 Key: JBTM-3021
                 URL: https://issues.jboss.org/browse/JBTM-3021
             Project: JBoss Transaction Manager
          Issue Type: Bug
            Reporter: Tom Jenkinson
            Assignee: Tom Jenkinson


The way the locking works _syncLock and _synchs are used at different times and so it can be that _syncs is not locked and the .iterator() .next() might get CoModEx



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