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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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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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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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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
Issue
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I can't get cascading delete to work in JDO

.currentTransaction().begin();         persist(pm);         pm.currentTransaction().commit();         pm.currentTransaction().begin();         delete(pm);         pm.currentTransaction().commit
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remove & persist in same transaction => Attempt to reuse an existing primary key value

"); em.getTransaction().begin(); EntityA entity = new EntityA(1); em.persist(entity); em.getTransaction().commit(); System.out.println("load and remove"); em.getTransaction().begin
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@ElementCollection of type enum

();         em.getTransaction().begin();         MyEntity entity = new MyEntity();         entity.list
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@MappedSuperclass and @Transient not working as I expected

().begin();   DataObject merged = em.merge(this);   em.getTransaction().commit();   em.close