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

EJB3 delete problem with detached entities ------------------------------------------ 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)