I am just getting started with Glassfish and EJB3.
What could be causing the first line of findAll()
below to be generating a NullPointerException?
@Stateless
public class StudyFacade implements StudyFacadeLocal {
@PersistenceContext
private EntityManager em;
...
public List findAll() {
Query q = em.createQuery("SELECT object(s)
from Study as s");
..
}
Thanks,
Bob Treacy