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  1. OpenJPA
  2. OPENJPA-1644

Null field values after calling EntityManager.remove()

    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 1.2.2, 2.0.0
    • Fix Version/s: 1.2.3, 2.1.0
    • Component/s: None
    • Labels:
      None

      Description

      Fields of an entity instance are nulled after calling EntityManager.remove() on an instance.

      For example, I have an entity class named User. I persist and then remove an instance of User.

      //
      // EntityManager em is initialized before the following code
      //

      em.getTransaction().begin();
      User user = new User();
      user.setName("name1");
      em.persist(user);
      em.getTransaction().commit();
      System.out.println(user.getName); // will print out name1
      em.getTransaction().begin();
      em.remove(user);
      em.getTransaction().commit();
      System.out.println(user.getName); // will print out null (oh no!)

      After I persist and remove the same instance of User, it's fields became null. I believe this shouldn't be the case as Section "3.2.3 Removal" of the 2.0 spec states:

      "After an entity has been removed, its state (except for generated state) will be that of the entity at the point at which the remove operation was called."

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            • Assignee:
              curtisr7 Rick Curtis
              Reporter:
              leoisiah Leo Isiah Sambayan
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              • Created:
                Updated:
                Resolved: