7 | First query takes 4+ minutes to complete fromExtension; Operation We use two EntityManagers in our code, each running in a different thread: 1. The first EntityManager only adds records to the DB at a rate of 5 records per second. Each add is a single new object and is wrapped in a transaction. 2. The 2nd EntityManager runs the queries |
6 | find() delay trans is not a transaction of em. Maybe different EntityManager instances are used and the L2 cache ... "); EntityManager em = emf.createEntityManager(); for (int i = 0; i < 30; i ... = Persistence.createEntityManagerFactory("$objectdb/db/test.odb"); EntityManager em = emf |
6 | Spring MVC Errors EntityManager although I use that @Autowired and @PersistenceContext automatic one like in the Spring ... DBconn { private static String dbName = "mces_database.odb"; private EntityManager em ... (); } protected void finalize() { em.close(); } public EntityManager |
6 | multiple LEFT JOINs do not work as expected.createEntityManagerFactory( "objectdb:test.tmp;drop"); EntityManager em = emf ... (); emf.close(); } private static Node persistTree(EntityManager em, Node parent, int ... "); EntityManager em = emf.createEntityManager(); em.getTransaction().begin |
6 | Field not persisted in abstract class with two level of nesting.Entity; import javax.persistence.EntityManager; import javax.persistence.Persistence; @Entity ... main(String[] args){ EntityManager em = Persistence.createEntityManagerFactory("$objectdb/db ... .EntityManager; import javax.persistence.Persistence; @Entity public class MHD2 implements Serializable |
6 | Entity has be persistended,but query not fetched?("$objectdb/flush.odb"); EntityManager em = emf.createEntityManager(); em.getTransaction ... User {} } Maybe you are using a different EntityManager for the query? Updates can only be visible before commit in the EntityManager that was used to apply the updates. support Support Thanks! I |
6 | Possible issue with LAZY Loading EntityManager, but it is fetched lazily when needed. You do see a difference (in addition to performance differences) when the EntityManager is closed or results are detached. In this case, LAZY data will not ... is broken, cause if I close the entityManager without calling "getLocationList" which is marked as LAZY |
6 | Schema Update: class hierarchy change.persistence.Entity; import javax.persistence.EntityManager; import javax.persistence ... .createEntityManagerFactory("objectdb:$objectdb/db/test.tmp;drop"); EntityManager em = emf ... .EntityManager; import javax.persistence.EntityManagerFactory; import javax.persistence.Persistence |
1 | combined index not used.createEntityManagerFactory("my.odb"); EntityManager em = emf.createEntityManager(); Thread ... , added: entityManager = entityManagerFactory.createEntityManager(); Thread thread = entityManager ... = Persistence.createEntityManagerFactory("D:\\odb-files\\coreSystemDb3.odb"); EntityManager em |
1 | Issues with JDO Casting & Full Qualified Names.persistence.Embeddable; import javax.persistence.Entity; import javax.persistence.EntityManager ... .createEntityManagerFactory("objectdb:$objectdb/db/test4.tmp;drop"); EntityManager em = emf ... .Entity; import javax.persistence.EntityManager; import javax.persistence.EntityManagerFactory; import |
