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From Michael Dick <>
Subject Re: ReportingSQLException: Protocol violation
Date Thu, 13 Jan 2011 15:26:23 GMT
That's my take too. The stack doesn't really give us much to go on. If there
was an ORA error code somewhere I might be able to help - but right now it'd
be just a shot in the dark.

Might be worth checking with your DBA and see if there's anything else in
the server logs. Upgrading the JDBC driver to match the server might be
worth trying too.


On Thu, Jan 13, 2011 at 1:08 AM, Trenton D. Adams <>wrote:

> Just an FYI, I don't think this is a jpa issue.  I see this with plain old
> oracle thin JDBC as well.  I have a feeling it's temporary network glitches,
> as it happens rarely.
> We also occasionally get a tonne of these when our database goes down for
> cold backup.
> On 11-01-12 07:26 PM, Angelo K. Huang wrote:
>> Thanks for your reply. It is an intermittent thing. It recently occurred
>> in
>> one of our production servers. It might be just work load is big that
>> caused
>> the connection dead or some other reason that protocol engine is out of
>> syn
>> with RDBMS. Our env is openjpa 1.2.1, ojdbc and oracle server

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