5 | Multi-thread access to single EM's entities javax.persistence.EntityManager; import javax.persistence.EntityManagerFactory; import javax ... ) throws InterruptedException { EntityManagerFactory emf = Persistence |
5 | use of Singleton into tomcathi all. i would write a class singleton that encapsulate the entitymanagerFACTORY into it.(the entitymanagerFactory IS A property of the only instance of class singleton. (the class singleton is not a Ejb!!!!!!!!!). into tomcat it not possible use ejbs............. i have to manage the concurrency |
5 | Bug: ClassCastException by retrieval.EntityManager; import javax.persistence.EntityManagerFactory; import javax.persistence.EntityTransaction ... args */ public static void main(String[] args) { EntityManagerFactory emf = Persistence |
5 | Empty query results after JAR creation. The main class of the test case looks like this: EntityManagerFactory emf = Persistence ... to access the database: EntityManagerFactory emf = Persistence.createEntityManagerFactory |
5 | Does ObjectDB support lazy loading?"; EntityManagerFactory emf = Persistence.createEntityManagerFactory(path); EntityManager em = emf ... ? public static void main(String[] args) { String path = "test.odb"; EntityManagerFactory |
5 | com.objectdb.o.InternalException; import javax.persistence.EntityManager; import javax.persistence.EntityManagerFactory; import javax ... aqui...."); String ruta = "objectdb:BBDD/GestionDeServicios.odb;drop"; EntityManagerFactory emf |
5 | Remove a modified entity cause an optimistic lock exception) { EntityManagerFactory emf = Persistence.createEntityManagerFactory ... ) { EntityManagerFactory emf = Persistence.createEntityManagerFactory( "objectdb:$objectdb/db/test.tmp;drop |
1 | Close() Method of EMF throwing "PersistenceException: Connection is closed" on first attempt to close. the EntityManagerFactory associated with these ODBs by calling the EMF’s close() method. The exception / stack trace ... The exception indicates that the EntityManagerFactory was already closed when an attempt to close it happened |
1 | ObjectDB can't be activated EntityManagerFactory emf = Persistence.createEntityManagerFactory("objectdb://localhost:6136/test ... a ssh-tunel over port 1234 to local port 6136): EntityManagerFactory emf = Persistence |
1 | Strange Error with Criteria API and Sorting.EntityManagerFactory; import javax.persistence.Persistence; import javax.persistence.criteria ... Test_OrderBy { public static void main(String[] args) { EntityManagerFactory emf = Persistence |
