標識符映射的列數有誤：

Question

任何人都可以幫我 我有這個錯誤 引起的：org.hibernate.MappingException：標識符映射列數錯誤：com.twins.FootFans.model.MemberAllTeam類型：組件[allTeam，構件]

@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之前刪除@Id。更多的是指波紋管連接

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

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