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to begin a new transaction when a transaction is active. In principal The SF doesn't need to begin any transaction since it only get called by the SL which can control it So I tried ... > Caused by: com.objectdb.o._PersistenceException: Attempt to begin a new transaction

.getTransaction().begin();         }        ... ()) {             em.getTransaction().begin ... ();         em.getTransaction().begin();     

().begin();   entityManager.persist(parentEntity);   parentEntity.addChild(new ... ; entityManager.getTransaction().begin();   entityManager.remove(parentEntity.getChildren ... ().begin();   ChildEntity childEntity2 = parentEntity.getChildren().get("childEntity2");  

.getTransaction().begin();         for (int i = 1; i <= count; i ... ;   em.getTransaction().begin();           ... .getTransaction().begin();   for (int i=0, j=0; i<deviceCount; i++) {    if (i

Hi, I tried objectdb in following steps: 1, for 1 to 30 {trans.begin ... , again, are similar to these: 1. trans = em.getTransaction(); trans.begin(); create typeC o ... ++) {             em.getTransaction().begin();  

;  em.getTransaction().begin();         for (int i = 0; i < ... ;              em.getTransaction().begin ... ; System.out.println("Adding objects");         em.getTransaction().begin

.getTransaction().begin();         em.persist(new MyEntity());   ... ();         em.getTransaction().begin();      ... ().begin();         MyEntity entity = new MyEntity();   

"); EntityManager emOne = emf.createEntityManager(); emOne.getTransaction().begin(); emOne ... .createEntityManager(); emTwo.getTransaction().begin(); emTwo.setFlushMode ... .getTransaction().begin(); emThree.setFlushMode(FlushModeType.AUTO); { assertTrue

;           em.getTransaction().begin();      ... .createEntityManager(); em.setFlushMode(FlushModeType.AUTO); em.getTransaction().begin ... .createEntityManager(); em.setFlushMode(FlushModeType.AUTO); em.getTransaction().begin

with an embeddable:         em.getTransaction().begin();    ... ().begin();         embeddable.update();      ... .getTransaction().begin();         em.persist(new MyEntity());