[hibernate-issues] [Hibernate-JIRA] Commented: (EJB-215) EntityManager fails during transaction commit after it has been closed

[Emmanuel Bernard (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/EJB-215?page=comments#action_24007 ] 

Emmanuel Bernard commented on EJB-215:
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Can you reduce the test to a minimal failing test, I'm interested, open a new bug. This is something I changed recently to help on @ManyToOne in composite-id

> EntityManager fails during transaction commit after it has been closed
> ----------------------------------------------------------------------
>
>          Key: EJB-215
>          URL: http://opensource.atlassian.com/projects/hibernate/browse/EJB-215
>      Project: Hibernate Entity Manager
>         Type: Bug

>   Components: EntityManager
>     Versions: 3.2.0.cr1
>     Reporter: Barry Kaplan
>     Assignee: Emmanuel Bernard
>      Fix For: 3.2.0

>
>
> As per the JPA spec, an EntityManager should be closable prior to the end of the transaction. At least in the scenario where an exception is thrown during commit, AbstractEntityManagerImpl will attempt to mark the transaction rollback only, but in doing so it will access the Session. The session checks if it is closed, and if so throws an exception. There may be other scenarios where closing the EM prior to transaction end cause incorrect failures.
> For some background, there are two threads of discussion for this problem:
>  - http://forum.hibernate.org/viewtopic.php?t=963262
>  - http://opensource.atlassian.com/projects/spring/browse/SPR-2412

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