>> If you want to access a single EM from multiple >> threads, you should set the openjpa.Multithreaded property accordingly
As I mentioned, there is a static EMF in a helper class used to obtain the EM's called from different threads. does above property also resolve multithreaded access to the EMF? Hans Am Mittwoch, den 28.03.2007, 13:30 -0700 schrieb Patrick Linskey: > > I will give it a try. Can you explicitly confirm that it > > shouldn't be a multithreading problem where there are > > serveral entitymanagers > > created in different JTA transactions running in parallel? e.g. > > Assuming that the different JTA transactions are on different threads, > and that you do not try to access one EM from multiple threads, there > should be no problem. (If you want to access a single EM from multiple > threads, you should set the openjpa.Multithreaded property accordingly.) > > Also, it would be useful to see a JDBC trace-level log of the system > running through a couple of transactions. That might give us an idea of > how things are working. > > Are you ever sharing EMs across multiple sequential JTA transactions? > > -Patrick >
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