小编Ali*_*tah的帖子

我需要进行onetomany关系,但是这个错误出现了mappedBy引用了一个未知的目标实体属性,这是父 Caused by: org.hibernate.AnnotationException: mappedBy reference an unknown target entity property

package com.dating.model;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType; 
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.OneToMany;
import javax.persistence.Table;
import org.hibernate.annotations.GenericGenerator;
@Entity
@Table(name="question")
public class PsyQuestions {

    @Id
    @GenericGenerator(name="autoGen" ,strategy="increment")
    @GeneratedValue(generator="autoGen")
    @Column(name="questionid")
    private long psyQuestionId;
    @Column(name="questiontext")
    private String question;

    @OneToMany(fetch = FetchType.LAZY,mappedBy="question")
    private List<PsyOptions> productlist=new ArrayList<PsyOptions>();


    public PsyQuestions() {
        super();
    }

    public List<PsyOptions> getProductlist() {
        return productlist;
    }

    public void …