Spring AnnotationException - Illegal attempt to map a non collection as a @OneToMany, @ManyToMany or @CollectionOfElements
[에러 메시지] AnnotationException: Illegal attempt to map a non collection as a @OneToMany, @ManyToMany or @CollectionOfElements 해결 방법 에러나는 코드 @OneToMany(fetch = FetchType.LAZY) @JoinColumn(na...