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Posted to dev@openjpa.apache.org by "Rick Curtis (JIRA)" <ji...@apache.org> on 2010/10/11 18:07:34 UTC
[jira] Resolved: (OPENJPA-1644) Null field values after calling
EntityManager.remove()
[ https://issues.apache.org/jira/browse/OPENJPA-1644?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Rick Curtis resolved OPENJPA-1644.
----------------------------------
Resolution: Fixed
Fix Version/s: 2.1.0
> Null field values after calling EntityManager.remove()
> ------------------------------------------------------
>
> Key: OPENJPA-1644
> URL: https://issues.apache.org/jira/browse/OPENJPA-1644
> Project: OpenJPA
> Issue Type: Bug
> Affects Versions: 1.2.2, 2.0.0
> Reporter: Leo Isiah Sambayan
> Assignee: Rick Curtis
> Fix For: 2.1.0
>
> Attachments: OPENJPA-1644.patch
>
>
> 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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