[hibernate-issues] [Hibernate-JIRA] Created: (EJB-350) EJB3 delete problem with detached entities

[Balwinder Sodhi (JIRA)]

EJB3 delete problem with detached entities
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                 Key: EJB-350
                 URL: http://opensource.atlassian.com/projects/hibernate/browse/EJB-350
             Project: Hibernate Entity Manager
          Issue Type: Bug
          Components: EntityManager
    Affects Versions: 3.3.1.GA
         Environment: hibernate-3.2.5.ga, hibernate-entitymanager-3.3.1.GA, MS SQL Server, Windows XP Profesisonal
            Reporter: Balwinder Sodhi


Trying to remove a detached entity fails with the exception given below. Looking into the source code at EJB3DeleteEventListener.java:45 I find that the method (pasted below) *always* throws the exception at line#45 regardless of the event contents.

	@Override
	protected void performDetachedEntityDeletionCheck(DeleteEvent event) {
		EventSource source = event.getSession();
		String entityName = event.getEntityName();
		EntityPersister persister = source.getEntityPersister( entityName, event.getObject() );
		Serializable id =  persister.getIdentifier( event.getObject(), source.getEntityMode() );
		entityName = entityName == null ? source.guessEntityName( event.getObject() ) : entityName; 
		throw new IllegalArgumentException("Removing a detached instance "+ entityName + "#" + id);
	}

java.lang.IllegalArgumentException: Removing a detached instance com.xxx.em.Edition#282
        at org.hibernate.ejb.event.EJB3DeleteEventListener.performDetachedEntityDeletionCheck(EJB3DeleteEventListener.java:45)
        at org.hibernate.event.def.DefaultDeleteEventListener.onDelete(DefaultDeleteEventListener.java:86)
        at org.hibernate.event.def.DefaultDeleteEventListener.onDelete(DefaultDeleteEventListener.java:52)
        at org.hibernate.impl.SessionImpl.fireDelete(SessionImpl.java:766)
        at org.hibernate.impl.SessionImpl.delete(SessionImpl.java:744)
        at org.hibernate.ejb.AbstractEntityManagerImpl.remove(AbstractEntityManagerImpl.java:246)


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