OpenEntityManagerInViewFilter Problems

Question

I have scoured this site among others for answers in getting OpenEntityManagerInViewFilter to work. I have a standard User object that references a roles object with a many

Answer 1

You DAOs look normal, only the Annotation '@Dao' is a bit suprising. In normal case one would use '@Repository' -- That is a special form of '@Component' but (and that is not very well documented) it adds some special features.

One of that special features is an exception translation, and when I remember right there, was one other feature that enhance the Entity Manager annotated bz @PersistenceContext with some extra feature that somehow deals with threads and assigning the right entity manager to the right thread.

So I would recommend to try to replace @Dao by @Repository.