7 | Entity is not related to ObjectDB, but i get exception from ObjectDB Hibernate
When getting this entity from PostgreSQL with the key EntityManager.find(id), we receive ... .AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1361) [hibernate-entitymanager-4.0.1 ... .java:816) [hibernate-entitymanager-4.0.1.Final.jar:4.0.1.Final] at org.hibernate.ejb |
7 | Database is erased after deploying a new web application version of EntityManagerFactory and EntityManager? As long as the web-app is running, I have no intention of closing ... concurrently? > When should I use the close method of EntityManagerFactory and EntityManager ... EntityManager instances are created and closed on every request (creating EntityManager instances |
7 | Embedding ObjectDB on server application: javax.persistence.PersistenceException Message: No Persistence provider for EntityManager named test ... : No Persistence provider for EntityManager named objectdb:$objectdb/test.odb Description: Error ... for EntityManager named objectdb:$objectdb/test.odb Is it possible to get this exception if ObjectDB is unable |
7 | Connection is closed Caused by: java.io.EOFException an EntityManager. I have checked throughout my code to ensure that all instances of EntityManager that I ... ); emf.createEntityManager(); } } } Notice that the EntityManager instances ... (); } } } Please check if your application might create EntityManager instances without closing them. By the way |
7 | Glassfish 4 AbstractMethodError: com.objectdb.jpa.EMF.createEntityManager/EntityManager; at com.sun.ejb.containers.EJBContainerTransactionManager.checkExceptionClientTx ... ;)Ljavax/persistence/EntityManager; at com.sun.enterprise.container.common.impl.EntityManagerWrapper ... /SynchronizationType;Ljava/util/Map;)Ljavax/persistence/EntityManager; at com.sun.ejb.containers |
7 | How to Remove records from many to many relationship tables in JPA.getId()); public void removeConclusions(Long id) { entityManager = dbConn.getConnection(); Conclusion conclusion = entityManager.find(Conclusion.class, id); entityManager.getTransaction().begin(); entityManager.remove(conclusion); entityManager |
7 | Left join fetch behaviour doesn't retrieve children?.CascadeType; import javax.persistence.Entity; import javax.persistence.EntityManager; import javax ... "); EntityManager em = null ; // Merge parent1 em = emf.createEntityManager ... to the database was required to access the data, if done before closing the EntityManager) but not |
7 | Unexpected behaviour upon update. Bug?.createEntityManagerFactory("ODB.odb"); EntityManager em = emf.createEntityManager ... is cached in the EntityManager as a managed entity object and it is returned with the update from the query. Changes in one EntityManager instance are invisible in other EntityManager instances until commit |
7 | Large (and growing) numbers of ODB-StoreHandler Threads between EntityManagerFactories or EntityManagers in the application? Thanks, Clinton Moore CAPdev CAP ... clients. Every client connection (represented by EntityManager) is served by a separate StoreHandler on the server. Please check that every created EntityManager is properly closed when not in use anymore |
7 | EntityTransaction.commit() does not release a pessimistic lock.createEntityManagerFactory("accounts.odb"); EntityManager em = emf.createEntityManager(); em ... (); // update EntityManager em1 = emf.createEntityManager(); em1.getTransaction().begin ... // try to retrieve again EntityManager em2 = emf.createEntityManager(); em2 |
