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[eclipselink-dev] Fix for bug 355610 checked in

Bug 355610 - Distributed cache merge needs to use appendlock instead of acquirelock


Distributed cache merge currently uses acquireLock for merging new objects into the cache leaving a possibility of running into a deadlock with ConcurrencyManager. It has been replaced to call appendLock() which will transition to deferred lock if failed to acquire lock.



Reviewed By: Gordon Yorke

Testing: LRG & JPA LRG (100%) with Oracle database & MySQL.


Checked into trunk at r9971.

2.3.1 check-in pending.


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