Kevin Sutter wrote: > > Hi Claudio, > You mention in an earlier post that when you turn on SQL Trace that you > see > all of the Inserts getting created. So, does that mean that if you turn > Trace on that it seems to affect the processing and everything works as > expected? Or, do you see SQL in the Trace that is supposedly generated > and > executed, but it doesn't result in rows in tables? > > Have you turned on all of the TRACE to see if there are any errant > exceptions not being surfaced? (If turning Trace on affects the ability > to > reproduce the problem, then this may not be a valid request.) > I turned on all TRACE messages, but I cannot see any exception. The SQL is generated for all records, but I cannot see them as rows in tables.
Kevin Sutter wrote: > > In your thread local method, you check if the EM is Open. If it's Closed, > then you create a new one. If it's Open, then you just continue to use > it. > Can you further explain your lifecycle processing for the EM? That is, > who > is responsible for Closing the EM when it's done? And, under what > conditions? What transaction demarcation are you using? Local > EntityTransactions or some external transaction manager? I'm just > wondering > if there's some hiccup between the opening/closing of the EM and the > transaction demarcation processing. > > BTW, I agree with Craig's earlier comment that there should be no reason > to > use the Multihhreaded property if you are only using a single EM per > thread. And, if you set this openjpa.Multithreaded to "true", then the > problem does not surface? If that's the case, then it seems that you are > accidentally using an EM by more than one thread. I just don't see how > yet... > The EM provided by the ThreadLocal is used by some utility methods that perform persistence operations and then close the EM. So I have to check the state of the EM stored in the ThreadLocal, but there aren't "pending" EM. I use local transactions...maybe I should try with a standalone JTA provider ?? ----- Not everything that can be counted counts - Albert Einstein http://www.linkedin.com/in/cdivita -- View this message in context: http://n2.nabble.com/Persist-issue-in-multithreaded-environment-tp3377510p3389868.html Sent from the OpenJPA Users mailing list archive at Nabble.com.
