Hi together, I succeeded in integrating OpenJPA into our J2EE1.4 container, running side-by-side within the same JTA transactions as container managed EJB2.1 CMP entity beans.
The lookup/creation of the EntityManager instances is synchronizing with the JTA TXs as you suggested some weeks ago on this list. After having a test server up and running for some days, we are encountering lots of those messages: WARNING: Connection not closed by caller Suddenly (some hours later), a transactions fails: 2007-03-27 14:57:07,097 : WARNING : Logger.log : Conflict with bb14:38:0:01fb60a716b0bed67c...80c679: 2007-03-27 14:57:07,113 : WARNING : Logger.log : Current Tx is bb14:38:0:01fb60a716b0bed67c...32a266: 2007-03-27 14:57:07,144 : WARNING : Logger.log : You should not modify the bean without a transactional context 2007-03-27 14:57:07,160 : SEVERE : Logger.log : system exception in business method:javax.ejb.EJBException: Conflict writing entity bean Somehow this HAS to be related to the OpenJPA integration, but the server was up for at least a day and running fine until above error occured. Any idea how this bad conflict could be caused? regards, Hans
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