当使用 @MappedSuperclass,@Entity,@ManyToMany 报:Could not determine type for

哦 这写的不对,但是不管是manytomany 还是manytoone 都是报这个错误。。有高手...这两个你都没指定targetEntity 能对么?...话说回来@MappedSuperclass用的很多么...

Exception: Could not determine type for: java....的属性必须标记为@ManyToMany,并相互指定targetEntity...@MappedSuperclass可以将超类的JPA注解传递给子类,使...

@Entity 继承策略。另一个类继承本类,那么本类里的属性应用到另一个类中@Inheritance(strategy = InheritanceType JOINED ) @Table(name= "INFOM_TESTRESULT ")...

在用注解的方式(@ManyToMany @JoinTable)实现多对多....MappedSuperclass; /** * 统一定义id的entity基类...()); for (Course c : list) { Assert.assert...

类作为映射实体,这时候需要 @MappedSuperclass ...  @ManyToMany(    targetEntity=org....hibernate3中出现 could not initialize proxy - no...

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要将 Java 类指定为 JPA 实体,请使用 @Entity ...@OneToOne @ManyToOne @OneToMany @ManyToMany @MapKey...@MappedSuperclass 或@Embeddable 继承的 @OneToOne ...

ExcludeSuperclassListeners IdClass MappedSuperclass Field...TemporalType MapKeyTemporal Relationships ManyToMany ...the entity manager factory for the persistence ...

No identifier specified for entity: net.viralpatel...(or at least I) can make which could produce ...and one @MappedSuperClass was missing thanks al ...

(父类不映射表实体,为@MappedSuperclass),然后继承...注解中@ManyToMany一般都不用的。 可以用@OneToMany代替...尝试下targetEntity这个属性。我跟你相反,是在子类中...