[jboss-user] [JBoss Seam] - Re: EntityHome.persist fails with @GeneratedValue
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Fri Dec 21 10:10:15 EST 2007
well I determined the root cause of the exception I was getting (org.hibernate.PersistentObjectException: detached entity passed to persist: com.cox.beans.entity.TblSecurityAuditNote). It was that I had a loop that was trying to persist an already perstisted/inserted JPA entity into the DB and Hibernate notices this and throws the exception before you get a primary key violation SQLException from DB.
So in my case it was a programmer's error. The fix was to set the already persisted entity to null in the array so in the code it will not exec the em.persiste(note) again.
I think that the wording of the hibernate exception could be more clear. I still don't understand exactly what it's trying to indicate literally (I now know it's saying you're trying to insert a record in the table which has an existing primary key value).
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