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Null enums and IS (NOT) NULL: NullPointerException

{ @PersistenceContext(unitName = "my-pu") private EntityManager entityManager; @EJB

Pre-detach loading: retrieval by navigation not working in if statement

not meet my needs for all situations. I can configure an entity-query @EJB with a specific loader

Glassfish , OpenEJB Realm

    Hello , i'm developing EJB Application. I was in dilemma using OpenEJB and Glassfish. They all support JDBC Realm but i want to use only ObjectDB solution. So , there is no JPA Realm for any application server.Thats big minus

objectdb:2.8.4 - Error occurred during initialization of boot layer

.annotation.jar javax.ejb.jar javax.jms.jar javax.persistence