About EJB

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Attempt to begin a new transaction when a transaction is active

to the database in order to persist records.  For example : @EJB RecordDao recordDao; recordDao
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disabling JDO in objectdb embedded mode

/applications/metamodel-ear-1.0-SNAPSHOT/lib/metamodel-ejb-1.0-SNAPSHOT.jar] doneCalled = false Parent
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Error in reading Enum in JPA - Failed to read using reflection

I have created a very simple Entity User which has an enum Status (INACTIVE, ACTIVE). When an entity User is created, everything looks OK and I have seen on explorer that User is created as expected with valid values of Status. This is all done with JPA/EJBs. However, at the time of reading
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Externalising persistence.xml properties in Glassfish?

you can externalize the persistance unit name and you can easily get that to your ejb
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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 for objectdb.   I will try to integrate for glassfish or openejb
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Help with JPA2 Criteria and conditional operator grouping

around the 'or'. Hence, my logic conditions is failing. The same EJB running against my eclipselink
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Jboss 6 persistence.xml startup error

Hi,  I'm trying to migrate a small EJB 3.1 project from Postgres to ObjectDb to test out feasibility, but I keep getting stuck on setting up the persistence.xml on JBoss 6 AS. Here is my setup:
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1

JRebel integration feature

me to develop JSF backing beans and parts of EJBs (such as queries) live and even make changes to some
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Null enums and IS (NOT) NULL: NullPointerException

{ @PersistenceContext(unitName = "my-pu") private EntityManager entityManager; @EJB private TestManager
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Pre-detach loading: retrieval by navigation not working in if statement

-query @EJB with a specific loader that - after the em.find(id) is performed - executes selected