Details

    • Type: Bug
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 2.0.1
    • Fix Version/s: 2.1.0
    • Component/s: jdbc
    • Labels:
      None

      Description

      I have an entity with a map element collection where the map value is an Embeddable.

      @Embeddable
      public class LocalizedString {

      private String language;
      private String string;

      // getters and setters omitted
      }

      @Entity
      public class MultilingualString {

      @Id
      private long id;

      @ElementCollection(fetch=FetchType.EAGER)
      private Map<String, LocalizedString> map = new HashMap<String, LocalizedString>();
      }

      Given a persistent instance m of my entity, I update a member of a given map value and then merge the modified entity:

      EntityManager em = ...;
      em.getTransaction().begin();
      m.getMap().get("en").setString("foo");
      em.merge(m)
      em.getTransaction().commit();

      The problem is, the state change of the map does not get saved to the database. With DEBUG logging on, I can see that the flush on commit does not trigger any SQL UPDATE.

      To force the update, I have to put a new value into the map instead of just changing the existing one.

      EntityManager em = ...;
      em.getTransaction().begin();
      m.getMap().put("en"), new LocalizedString("en", "foo"));
      em.merge(m)
      em.getTransaction().commit();

      After this change, I do see the expected UPDATE.

      My Embeddable does have hashCode() and equals() implemented such that the changed map is not equal() to the former version in either case.

      This looks like a bug in the dirty-checking logic in OpenJPA.

        Attachments

        1. OPENJPA-1784.patch
          12 kB
          Fay Wang
        2. MapUpdate.patch
          9 kB
          Harald Wellmann

          Activity

            People

            • Assignee:
              faywang Fay Wang
              Reporter:
              hwellmann Harald Wellmann
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              Dates

              • Created:
                Updated:
                Resolved: