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From Donald Woods <>
Subject Re: SingleFieldManager.preFlushPC
Date Mon, 31 Aug 2009 17:44:35 GMT
Are there any timeout, deadlock or resource contention errors on the DB 


Daryl Stultz wrote:
> On Fri, Aug 28, 2009 at 1:35 PM, Michael Dick <>wrote:
>> Both Entities that have never been associated with an EM and those which
>> are
>> not  currently associated with an EM are considered unmanaged.
>> Put another way unmanaged == OpenJPA is not tracking the changes you make
>> to
>> the entity. So new entities and detached entities are unmanaged.
> So if a detached entity is also unmanaged, why is it working 99.99% of the
> time (this exception has been thrown 3 times out of thousands of
> transactions). I don't have any Cascade settings on the properties that are
> failing and I'm always setting them to detached instances (the best that I
> can tell).
> (thoughts to be continued on your next reply.)

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