Hi Chintan, The error message is rather obvious -- in not it? As a suggestion, consider private static Map<String, EntityManagerFactory> buEntityMap; instead of private static Map<String, List<EntityManager>> buEntityMap;
EntityManagers have shorter life cycle and not so effective as cached items. On the other hand EntityManagerFactory are ideally created once in the entire life time of an application and good candidate to be remembered. See if that solves the problem of multiple threads entering a single EntityManager. ----- Pinaki Poddar Chair, Apache OpenJPA Project -- View this message in context: http://openjpa.208410.n2.nabble.com/Multiple-concurrent-threads-attempted-to-access-a-single-broker-tp6820896p6820989.html Sent from the OpenJPA Users mailing list archive at Nabble.com.
