7 | Memory Leak? indicates that there are too many EntityManager instances (PMImpl). The other instances are probably hold by the EntityManager instances, so the question is why the EntityManager instances are not ... an EntityManager (line 115). My bad. After I fixed it, no more memory explosion. I attached Device.java |
7 | Transaction isolation support? when the fetch start? Martin mt Martin Every EntityManager manages its own memory objects (which represent database objects). Therefore, if an entity object is retrieved by one EntityManager and then updated in the database by another EntityManager, the first EntityManager may still have an old version |
7 | NullPointerException while setting a new property value saveCollection(Collection<? extends Identifiable> entityCollection) { final EntityManager em ... with multi threads each thread should have its own EntityManager and entities. According to the JPA ... EntityManager and persistence context in ObjectDB, but since this is not the usual way of working with JPA |
7 | Can't get arraylist/vector type attributes get the object. But when I call the close method to close the EntityManager the information from ... the entitymanager I write something like vector.size() or I print it's size or I do anything with the vector ... , and only when the containing entity objects are managed. i.e. when the EntityManager is open. When you close |
7 | Type xxx is not found (error 301) your EntityManager: em.unwrap(PersistenceManager.class).getExtent(User.class) support Support OK ... Moshal oddly, I don't have an unwrap() method on my EntityManager?? also, I don't have a query (String, Class) method on my EntityManager dmoshal David Moshal > 3) use jdo from jpa |
7 | Update more than 10000 entities by an update query fails"); EntityManager emOne = emf.createEntityManager(); emOne.getTransaction().begin ... ); } emOne.getTransaction().commit(); emOne.close(); EntityManager ... (); emTwo.close(); EntityManager emThree = emf.createEntityManager(); emThree |
7 | NoSuchFieldError: __odbTracker on NetBeans 7.3 + JBoss 7.1.1); entityManager.persist(city); entityManager.persist(person); The exception: java.lang ... ); entityManager.persist(person); City city = new City(); city.setName("Москва"); person.setCity(city); entityManager.persist(city |
1 | spuriously objectdb objects have null references entityManager per thread and have a central point where we encapsulated all the needed entitymanager ... Object(); public static void begin(EntityManager threadEntityManager){ synchronized(lockBegin ... >(); ... hgzwicker Hans-Georg Zwicker When an entity object is detached (e.g. when the EntityManager |
1 | Feature suggestion: auto-detection of entities via persistence.xml extensionI am encountering problems (complexities) with EntityManager registration of entities ... system: hibernate.archive.autodetection https://docs.jboss.org/hibernate/entitymanager/3.6/reference/en/html ... to the EntityManager whether one performs compile-time enhancement or runtime enhancement ? That is, does |
1 | JQL-Update Queries fails with activated L2-CacheWhen using JQL-Update Queries it is basically not working without calling entityManager.clear() after a transaction commit. When the clear() method isn't called the entityManager will never return ... the EntityManager may break its synchronization with the database. For example, the EntityManager |
