What version of OpenJPA are you running? On Tue, Apr 13, 2010 at 5:54 PM, Angelo K. Huang <[email protected]> wrote:
> > There are two threads that are concurrently running and want to change the > same record. Both are using the following fetchplan to lock the object: > > OpenJPAQuery oq = OpenJPAPersistence.cast(q); > FetchPlan fetch = oq.getFetchPlan(); > fetch.setReadLockMode(LockModeType.WRITE); > fetch.setLockTimeout(-1); // no limit > > > I found out both threads can get the record and both hold the lock. If one > thread wants to change field "Quality" to "GOOD" and the other one wants to > change to "GREAT", the one committed first will be in the db ,however, the > other one will be rolled back. Am I right? > > How could I do to change this lock behavior so that only one thread can > hold > the lock until it commits? > -- > View this message in context: > http://n2.nabble.com/ReadLock-Questions-tp4898922p4898922.html > Sent from the OpenJPA Users mailing list archive at Nabble.com. > -- Thanks, Rick
