标识符映射的列数有误：

Question

任何人都可以帮我 我有这个错误 引起的：org.hibernate.MappingException：标识符映射列数错误：com.twins.FootFans.model.MemberAllTeam类型：组件[allTeam，构件]

@Id 
@ManyToOne 
@JoinColumn(name = "team_id", referencedColumnName = "teamId") 
private Team allTeam; 

@Id 
@ManyToOne 
@JoinColumns({ 
    @JoinColumn(name = "identifier_AllTeam" ,referencedColumnName ="identifier"), 
    @JoinColumn(name = "connectionType_AllTeam" ,referencedColumnName ="connectionType") 
}) 

private Member member; 

Answer 1

@ManyToOne之前删除@Id。更多的是指波纹管连接

http://www.java2s.com/Code/Java/JPA/UseTwoJoinedColumnsforManytooneMapping.htm

http://www.java2s.com/Tutorial/Java/0355__JPA/ManyToOneSetJoinColumnName.htm