@Entity
@Table(name = "J_Entity")
public class JEntity<ID extends Serializable> {
    @Id
    @GeneratedValue
//Integer instead of ID - bug HHH-10428
    protected Integer id;
...
}

CREATE TABLE `J_Entity` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
...
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8