ids for this class must be manually assigned before calling save()

Question

I\'ve got some problem with hibernate @OneToMany mapping. It goes like here

@Entity
@Table(name = \"albums\")
@SequenceGenerator(name = \"ALBUMS         


        

Answer 1

You are using two primary keys in one table and one of the keys is also a primary key in another table. The simple solution is to remove the one of the primary keys which is also the foreign key