How to call Oracle Function or Procedure using Hibernate (EntityManager) or JPA

Question

I have an Oracle function which return sys-refcursor and when I call this function using Hibernate, I am getting the following exception.

Hibernate: { ? = ca         


        

Answer 1

The previous solution doesn´t seem to work with eclipselink. I got this running with native queries under JPA with

            List result = em.createNativeQuery("select YOURFUNCTION(?) from dual ")
                      .setParameter(1, ONEPARAMETER)
                      .getResultList();