In what kind of situations would it make sense to use uuid.string as the generator-class?

When I use uuid.string as generation class I manage to add only 14 objects/lines to my Oracle table and the I get:

net.sf.hibernate.NonUniqueObjectException: a different object with the same identifier value was already associated with the session:

uuid.string had some bugs recently, I am not sure they have been worked out and in which version - stick to uuid.hex if you are fine with that

Vielen Danke!

What's the right address to make a feature request for dropping uuid.string from the distribution?