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Unable to persist TreeMap

.getTransaction().begin();         em.persist(p);         em.getTransaction().commit ... .getKey() +       " value: " + entry.getValue()); } //for em.getTransaction().begin(); em
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Unexpected behaviour upon update. Bug?

(); em.getTransaction().begin(); Update simple = new Update(); simple.i = 0 ... (); simple.v = 4; em.getTransaction().begin(); simple = em.createQuery("SELECT s FROM
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Unique contraint with 2 members

");         EntityManager em = emf.createEntityManager();                 em.getTransaction().begin();         em.persist(new MyEntity());         em.getTransaction().commit();         em.getTransaction().begin
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1

Using the wrong class to access a database

(); } static void create(EntityManager em) { em.getTransaction().begin(); for (int i = 0; i < 1000 ... = query.getResultList(); em.getTransaction().begin(); for (Point p : results) { if (p
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Updating existing persistence entries

within an active transaction the changes are identified automatically. Of course, you have to begin and commit ... you very much, for the explanation. I managed to get it working with beginning a transaction
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1

Memory Leaks after COMMIT operation (checked on versions 2.6.5 & 2.6.6.b01)

.COMMIT ); if ( m_EntityManager.isOpen() ) { m_EntityManager.getTransaction().begin ... () && !m_DataKeysCache.isEmpty() ) { m_EntityManager.getTransaction().begin
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objectdb-2.6.9_02 (with "objectdb.temp.no-enhancement-crc-check") vs. generic classes with interfaces: detailed investigation

.getTransaction().begin();         em.persist(new BooleanValue());         em.persist(new EnumValue ... .createEntityManager(); log_info("Persist project.."); em.getTransaction().begin(); em.persist
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1

IN expression in a Criteria Query

();         em.getTransaction().begin();         em.persist(new MyEntity("a"));         em.persist(new ... ();         em.getTransaction().begin();         em.persist(new MyEntity("a"));         em.persist
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1

EntityManager getMetamodel() causes crash

: : // Store 1000 Point objects in the database: em.getTransaction().begin ... ;drop" EntityManager em = emf.createEntityManager(); em.getTransaction().begin(); MyEntity e1
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client server mod of communication

("objectdb:testmemory.mem");   EntityManager em = emf.createEntityManager();     em.getTransaction().begin();   gtr ... .getTransaction().begin();             strc = new SetterClass(1, "john"); em.persist(strc