[hibernate-issues] [Hibernate-JIRA] Resolved: (EJB-273) refresh() throws entity not managed exception

[Emmanuel Bernard (JIRA)]

     [ http://opensource.atlassian.com/projects/hibernate/browse/EJB-273?page=all ]
     
Emmanuel Bernard resolved EJB-273:
----------------------------------

    Resolution: Won't Fix

Sorry the spec mandate that.

> refresh() throws entity not managed exception
> ---------------------------------------------
>
>          Key: EJB-273
>          URL: http://opensource.atlassian.com/projects/hibernate/browse/EJB-273
>      Project: Hibernate Entity Manager
>         Type: Bug

>   Components: EntityManager
>     Versions: 3.2.1
>     Reporter: Charles Canning
>     Priority: Critical

>
>
> When you call EntityManager.refresh() to reattach an entity to the entitymanager, it throws:
> java.lang.IllegalArgumentException: Entity not managed 
>    at org.hibernate.ejb.AbstractEntityManagerImpl.refresh(AbstractEntityManagerImpl.java:260) 
> The code is:
> public void refresh(Object entity) { 
>     checkTransactionNeeded(); 
>     //adjustFlushMode(); 
>     try {
>         if ( ! getSession().contains( entity ) ) { 
>             throw new IllegalArgumentException( "Entity not managed" ); 
>         } 
>         getSession().refresh( entity ); 
>     } 
>     catch (MappingException e) { 
>         throw new IllegalArgumentException( e.getMessage(), e ); 
>     } 
>     catch (HibernateException he) { 
>         throwPersistenceException( he ); 
>     } 
> } 
> It is checking if the object is already in the session - this will not allow me to reattach. If I "cast" the EM to the session delegate, refresh works fine because it doesn't contain this check.
> For more info, you can look at this forum topic :
> http://forum.hibernate.org/viewtopic.php?t=971661&start=0&postdays=0&postorder=asc&highlight=

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