5 | Drop in Client/server mode not working.persistence.EntityManagerFactory; import javax.persistence.Persistence; public class T627 { public static void main(String[] args) { EntityManagerFactory emf = Persistence |
5 | Storing objects problem to the problem that you have described. support Support Main class: EntityManagerFactory emf ... ().add(switch1); router.getChildren().add(switch2); EntityManagerFactory emf |
5 | Schema-Update: Rename superclass and remove one subclass Database public static void main(String[] args) { EntityManagerFactory emf = Persistence ... (String[] args) { // no drop - reuse the existing file EntityManagerFactory emf = Persistence |
5 | Object DB vs EclipseLink/TopLink: Unloaded relationships in detached entities get the connection need to traverse the LAZY relationship from the EntityManagerFactory and will able able to use it as long as the EntityManagerFactory is open. The connection used in not |
5 | javax.persistence.PersistenceException: No Persistence provider for EntityManager named in Karaf 4.0.7 and OSGi DS test.currentThread().setContextClassLoader(EntityManagerFactory.class.getClassLoader()); then it works. Regards ... to support e.g. Declarative Services and possibly provide EntityManagerFactory as a service |
5 | Is there an update on running ObjectDB purely in-memory?.: EntityManagerFactory emf = Persistence.createEntityManagerFactory("objectdb:test.mem ... the explorer and server. EntityManagerFactory emf = Persistence.createEntityManagerFactory("objectdb:test.mem |
5 | object creation during pmf.getPersistenceManager() - when a database is opened and a PersistenceManagerFactory / EntityManagerFactory is created ... / EntityManagerFactory is a heavy one time operation (followed by many PersistenceManager / EntityManager |
5 | Wrong data stored in time only fields.EntityManagerFactory; import javax.persistence.GeneratedValue; import javax.persistence.GenerationType ... "); EntityManagerFactory emf = Persistence.createEntityManagerFactory |
5 | persisting object with long[][] arrays of array) { EntityManagerFactory EMF = Persistence.createEntityManagerFactory("TESTDB.odb ... ; } public static void main(String[] args) { EntityManagerFactory EMF |
1 | NullPointerException when using multithreading commits. The client application has a single instance of the EntityManagerFactory and each thread ... ); factory.close(); After 3 minutes the EntityManagerFactory is closed with all its EntityManager instances |
