 15 | .EntityManagerFactoryImpl@ffa7e1
EntityManager emTemp = emf.createEntityManager();
TypedQueryEntityManager em = emf.createEntityManager(); try |
15 | I am trying to track down some obscure errors with multi-threading. This involved looking at the EntityManager Metamodel but this caused an ObjectDB exception. So I reverted to your example code in ... ;drop" EntityManager em = emf.createEntityManager();
em.getTransaction().begin(); MyEntity e1 |
15 | Hello, we have following situation: The EntityManagerFactory is always opened and won't be closed. Thread A with its own EntityManager persists entities and commits the entities successfully. Thread B runs afterwards also with its own EntityManager and tries to load the persisted entities by |
14 | provider for EntityManager named $objectdb/myDB.odb at javax.persistence.Persistence |
14 | Just started using objectdb (2.3.4). Calling EntityManager.merge for a new (non-managed) object gives EntityNotFoundException. I am perplexed by this. See attached test case. Thanks for your assistance. Full error output is: Exception in thread "main" [ObjectDB 2.3.4] javax.persistence |
14 | .persistence.PersistenceException: No Persistence provider for EntityManager named objectdb://localhost:6136 |
14 | InternalException during EntityManager.find() |
13 | ;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax ... connection:
@PersistenceContext private EntityManager em;
// Stores a new guest ... the controller, as shown in the next step. Prepares an EntityManager automatically and injects it into the em |
13 | .persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.TypedQuery ... :
@PersistenceContext private EntityManager em;
// Stores a new guest:
public void persist(Guest guest ... shown in the next step). Prepares an EntityManager automatically and injects it into the em field |
13 | .persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence ... :
@PersistenceContext private EntityManager em;
// Stores a new guest:
@Transactional ... the next step. Prepares an EntityManager automatically and injects it into the em field |