Solve one question, end up finding another. ;)
I'm trying to get my EntityManager injected into my DAO layer, by specifying
the core class of the DAO as an interceptor to my SLSB, which is acting as a
SOAP service endpoint (enough buzzwords?).
I know by the deployment logs that the interceptor is being registered
correctly. But no matter what, the EntityManager never gets injected, and
remains null.
The persistence unit is configured in a separate persistence JAR from the EJB
JAR, and everything is packed into an EAR. See below for the relevant
annotations and snippets from everything:
@Stateless @WebService
@Interceptors({EJB3DAOFactory.class})
public class SOAPBackend
{
...
}
public class EJB3DAOFactory
{
private static final Logger log = Logger.getLogger(EJB3DAOFactory.class);
@PersistenceContext(unitName = "simunex")
protected EntityManager em;
public EJB3DAOFactory() {}
protected EntityManager getEntityManager()
{
if (em == null) { log.debug("EntityManager is null!"); }
return em;
}
}
Like I said, the deployment logs correctly register the interceptor-based
dependency on the EntityManager, and defers starting of the EJB until after
Hibernate starts up. But whenever I attempt to perform a SOAP operation, which
is serviced by SOAPBackend, the EntityManager remains null.
Options? I'd rather stay away from global JNDI lookup if possible. I know about
the scoped deployment of the persistence unit. But I would've thought that a
persistence unit defined in one JAR of an EAR would be within the scope of
another JAR of the EAR.
Thanks!
--Scott
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