I'm not sure about validations, but entity conversion should work. We have had a few issues recognizing entities without annotations, but those were just bugs. I thought all those issues were fixed now, but if they still exist then please open JIRA issues.
Guillaume Jeudy wrote on Mar 27, 2008 04:45 PM:
The problem that we encounter now is that as far as I understand one cannot use
This works in Seam 2.
There is currently no facility in Hibernate Validator for specifying validation constraints in XML AFAIK. If there are, then it should work anyway.