[Hibernate-issues] [Hibernate-JIRA] Commented: (HHH-511) reattach object from same session

[Henrique S. (JIRA) <no...@at...>]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-511?page=comments#action_23339 ] 

Henrique Sousa commented on HHH-511:
------------------------------------

For EJB 3.0 this is failing due to a listener and and clear() is not called for the EntityManager. We must track changes to an entity, so in the pre-update callback we store a copy of the current entity and refresh it to get the old values. When I restore the updated state and let the flush() process continue this exception is raised. I cannot evict() the parent object because it still has to be saved and there is no such method in EntityManager.

> reattach object from same session
> ---------------------------------
>
>          Key: HHH-511
>          URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-511
>      Project: Hibernate3
>         Type: Bug

>   Components: core
>     Reporter: Gavin King
>     Priority: Minor

>
>
> http://forum.hibernate.org/viewtopic.php?p=2231400#2231400
> There is a problem when you reattach a collection to the same session that it was previously attached to, after calling clear(). Hibernate checks the collections session reference, at reattach and concludes it is  already attached.

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