> Please, provide a test case with Hibernate to reproduce this problem

(java

> code, .hbm.xml or XDoclet mapping in the code). I suspect the issue

is

> related to the auto-commit mode, but I need to be sure.

I tried to isolate the problem in a separate test case, but didn't
succeed (no errors).
When I have more time I will try to reproduce it again.

Bye,
Ramon