Hi,
I'm trying to debug/fix Hibernate messages like
"org.hibernate.NonUniqueObjectException: a different object with the same
identifier value was already associated with the session: "... and I find the
default exception logging in AbstractSaveEventListener#performSave not
sufficient. I've added some System.err.printlns() with the information I
typically need. It would be great if this debug info would make it somehow into
the latest SVN.
Rgds
Holger
/**
* Ppepares the save call by checking the session caches for a
pre-existing
* entity and performing any lifecycle callbacks.
* @param entity The entity to be saved.
* @param id The id by which to save the entity.
* @param persister The entity's persister instance.
* @param useIdentityColumn Is an identity column in use?
* @param source The session from which the event originated.
* @param requiresImmediateIdAccess does the event context require
* access to the identifier immediately after execution of this method
(if
* not, post-insert style id generators may be postponed if we are
outside
* a transaction).
* @return The id used to save the entity; may be null depending on the
* type of id generator used and the requiresImmediateIdAccess value
* @throws HibernateException
*/
protected Serializable performSave(
Object entity,
Serializable id,
EntityPersister persister,
boolean useIdentityColumn,
Object anything,
EventSource source,
boolean requiresImmediateIdAccess)
throws HibernateException {
if ( log.isTraceEnabled() ) {
log.trace(
"saving " +
MessageHelper.infoString( persister,
id, source.getFactory() )
);
}
EntityKey key;
if ( !useIdentityColumn ) {
key = new EntityKey( id, persister,
source.getEntityMode() );
Object old =
source.getPersistenceContext().getEntity(key);
if (old != null) {
if (
source.getPersistenceContext().getEntry(old).getStatus() == Status.DELETED ) {
source.forceFlush(
source.getPersistenceContext().getEntry(old) );
}
else {
System.err.println("old: " + old);
System.err.println("old.class: " +
old.getClass());
System.err.println("entity: " + entity);
System.err.println("entity.class: " +
entity.getClass());
System.err.println("id: " + id);
throw new NonUniqueObjectException( id,
persister.getEntityName() );
}
}
persister.setIdentifier(entity, id,
source.getEntityMode());
}
else {
key = null;
}
if ( invokeSaveLifecycle(entity, persister, source) ) {
return id; //EARLY EXIT
}
return performSaveOrReplicate(
entity,
key,
persister,
useIdentityColumn,
anything,
source,
requiresImmediateIdAccess
);
}
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