Hello!

I have created UserType with multiple columns (a multilingual string property).
Everything is OK, except that when I set property to "not-null" nothing changes - I can still save null values without exception.
How can this be solved?

Thanks!

Try to set property
hibernate.check_nullability
to true in your configuration file.
Which version of Hiberante are you using? (I noticed that with Hiberante 3.5, the default for this property has suddenly become false)
Please let me know, thanks.

hibernate.check_nullability=true doesn't help.
I am using hibrnate 3.3.2 and nullability check works for ordinary properties but not for the multi-column UserType.

As I now see this is because not-null="true" doesn't mean that hibernate should check nullability itself but it should create a NOT NULL constraint which is useless in case of multiple columns.