It's supposed to be post-commit, but it gets invoked even for a failed commit. Sadly, this looks to be an open issue even in Hibernate:
https://hibernate.onjira.com/browse/HHH-1582 -- You received this message because you are subscribed to the Google Groups "nhusers" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/nhusers?hl=en.
