Hi, There were some discussions on the problem of initializing EntityManager(Factory) in multi-threading environments. Maybe you will find a solution for your problem within these threads:
http://n2.nabble.com/Starting-OpenJPA-during-container-startup-tp210725p210725.html http://n2.nabble.com/ArgumentException-Incomplete-initialisation-of-EntityManager-tp1577196p1577196.html Greetings, Milosz
