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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
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@Transient

(Agency agency) {     odb.getTransaction().begin();     odb.persist(agency);     odb.getTransaction
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[ObjectDB 2.4.1] Unexpected exception (Error 990)

.createEntityManager();         em.getTransaction().begin();         em.createQuery("DELETE o
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Access entity version before commit transaction

: transactional.execute() just creates a transaction (entityManager.getTransaction().begin();) and commits
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Activated ObjectDB still throws "Too many persistable types"

at the beginning of the file, which lead to an error). Yet I still get the error thrown. Nothing in
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Activation Issue

> at the beginning of the file) and try restarting the server. If the server starts with no errors
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ArrayIndexOutOfBoundsException on flush

().begin(); try { Query query = em.createQuery("DELETE FROM ExecutionGraph g"); query
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Bug with unique constraint exception not resulting in transaction roll back

be the application, sometimes it is difficult to see when one transaction is ended and another one begins
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Bug: ClassCastException by retrieval

  trans.begin();   tNode tn = new tNode();   tn.setsData("HelloWorld2");   em.persist(tn