jpa #proxy #ClassCastException (1) 썸네일형 리스트형 상속 관계 Entity에서 자식 Entity 조회하기 with HibernateProxy @Entity @Inheritance(strategy=InheritanceType.JOINED) @Table(name="setting") @NoArgsConstructor(access = AccessLevel.PROTECTED) @Getter public class Setting { @Id @GeneratedValue(strategy = GenerationType.IDENTITY) @Column(name="id") private Long id; ... } @Entity @Table(name = "item_setting") @NoArgsConstructor(access = AccessLevel.PROTECTED) @Getter public class ItemSetting extends Setting { @.. 이전 1 다음