7 | Cannot save or update entity on Spring App().begin(); em.persist(guest); em.getTransaction().commit(); em ... ()) em.getTransaction().begin(); em.merge(guest); em.getTransaction ... .getTransaction().isActive()) em.getTransaction().begin(); Query q = em |
7 | Extra uninitialised entities spawned on merge().createEntityManager(); em.getTransaction().begin(); Element root = new Element(null ... ); if (DO_PERSIST_BEFORE_MERGE) { em.getTransaction().begin(); em.persist(e); em.getTransaction().commit(); } em.getTransaction().begin |
7 | Visibility of changes in Transaction is not visible to a JPA QL Query .lookup("java:comp/UserTransaction"); tx.begin(); SLSBObjDbRemote bean ... "); tx.begin(); SLSBObjDbRemote bean = (SLSBObjDbRemote) context .lookup("SLSBObjDb ... . what was there at the beginning of the transaction as then operated on by the subsequent transactional |
7 | Optimistic Locking: PersistenceManager pm = pmf.getPersistenceManager(); pm.currentTransaction().begin(); pm ... (); Counter c1 = pm1.getExtent(Counter.class).iterator().next(); pm1.currentTransaction().begin ... ().next(); pm2.currentTransaction().begin(); c2.increase(); // First user commits - succeeds |
7 | Empty temporary dat files in the temp folder, begin a transaction, do some stuff (find, persist, remove …) and then commit or in the case of errors ... ().begin(); MyEntity myEntity = new MyEntity(); myEntity.name = "DBFILE: " + db; em.persist ... .getTransaction().begin(); // do anything - access an entity MyEntity myEntity = em.find(MyEntity |
7 | Left join fetch behaviour doesn't retrieve children?(); if (! em.getTransaction().isActive()) { em.getTransaction().begin ... .getTransaction().begin(); } MyEntity e1 = new MyEntity("parent1"); e1.addChild(String.valueOf ... ()) { em.getTransaction().begin(); } // Write 100 000 entities with 1 child for each for (int |
1 | [ObjectDB 2.2.6_02] Unexpected exception (Error 990) at com.objectdb.o.OBC.aJ(OBC.java:961) = getEntityManager(); em.getTransaction().begin(); em.persist(moment); em ... { em = getEntityManager(); em.getTransaction().begin(); em.persist(chart ... { em = getEntityManager(); em.getTransaction().begin(); chart = em |
1 | Sometimes cascade persist does not work during commit.setFlushMode(FlushModeType.AUTO); em.getTransaction().begin(); em.createQuery ... (FlushModeType.AUTO); em.getTransaction().begin(); Query query = em.createQuery ... with complete begin-commit transactions, then this indeed should work. support Support |
1 | ObjectDB-2.6.9: Failed to commit transaction: Failed to set numeric value of field property Element.id using reflection it will report: Java/JVM version: 1.8 Java/JVM detail version: 1.8.0_74 ObjectDB enhancer: begin ... (); format().out("Persist project.."); em.getTransaction().begin(); em ... /JVM detail version: 1.8.0_74 ObjectDB enhancer: begin: (all classes within entity packages): javac |
1 | Unexpected exception (Error 990) - Merge with no Transaction); EntityManager em = emf.createEntityManager(); em.getTransaction().begin ... (); em.close(); em = emf.createEntityManager(); em.getTransaction().begin ... always fails for this use case. I can make the code work by beginning a transaction in the last step |
