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From Donald Woods <>
Subject Re: SingleFieldManager.preFlushPC
Date Wed, 02 Sep 2009 15:31:02 GMT
What version of OpenJPA are you using (I didn't see it mentioned in the 
email thread)?

Can you post more details of the entities being used, like the orm.xml, 
persistence.xml, relationships, build vs. runtime enhancement, which 
version/vendor of Java, ....


Daryl Stultz wrote:
> On Mon, Aug 31, 2009 at 1:44 PM, Donald Woods <> wrote:
>> Are there any timeout, deadlock or resource contention errors on the DB
>> side?
>> Not that I can see any evidence of. Nothing in logs and db is not throwing
> an error related to it. There are some queries that take several seconds to
> read the main table which is related to the table failing but they aren't
> especially tight. How might I go about inducing a condition that could cause
> a problem (IOW, in what situation would a long read/deadlock cause this
> error?)
> Thanks.

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