Java Hibernate问题-实体映射中的重复列

每当运行单元测试时，我总是面对实体映射中的重复列：com.ts.user.entity.tutrptlocyear column:locid（应使用insert=“false”update=“false”）映射“问题。 我正在寻求帮助和建议，以解决我的问题，因为我试图解决这个问题，但这个错误不断发生

下面是我的情况

我创建了两个表，TUT_LOCATION（主键：LocID）和TUT_RPT_LOC_Year（主键：LocID+Year，外键：LocID）。通过使用eclipse JPA工具，它为我生成了3个类：tutLocation.java、tutRptLocYearly和tutRptLocYearlyPK

TutLocation.java

    @Entity
@Table(name="tut_location")
@NamedQuery(name="TutLocation.findAll", query="SELECT t FROM TutLocation t")
public class TutLocation extends InitEntity implements Serializable {
    private static final long serialVersionUID = 1L;

    @Id
    private Integer locid;

    private String name;

    //bi-directional many-to-one association to TutRptLocYearly
    @OneToMany(mappedBy="tutLocation", cascade={CascadeType.ALL})
    private List<TutRptLocYearly> tutRptLocYearlies;

    public TutLocation() {
    }

    public Integer getLocid() {
        return this.locid;
    }

    public void setLocid(Integer locid) {
        this.locid = locid;
    }

    public String getName() {
        return this.name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public List<TutRptLocYearly> getTutRptLocYearlies() {
        return this.tutRptLocYearlies;
    }

    public void setTutRptLocYearlies(List<TutRptLocYearly> tutRptLocYearlies) {
        this.tutRptLocYearlies = tutRptLocYearlies;
    }

    public TutRptLocYearly addTutRptLocYearly(TutRptLocYearly tutRptLocYearly) {
        getTutRptLocYearlies().add(tutRptLocYearly);
        tutRptLocYearly.setTutLocation(this);

        return tutRptLocYearly;
    }

    public TutRptLocYearly removeTutRptLocYearly(TutRptLocYearly tutRptLocYearly) {
        getTutRptLocYearlies().remove(tutRptLocYearly);
        tutRptLocYearly.setTutLocation(null);

        return tutRptLocYearly;
    }
}

TutRptLocYearlyPK.java

@Embeddable
public class TutRptLocYearlyPK implements Serializable {
    //default serial version id, required for serializable classes.
    private static final long serialVersionUID = 1L;

    @Column(insertable=false, updatable=false)
    private Integer locid;

    private Integer year;

    public TutRptLocYearlyPK() {
    }
    public Integer getLocid() {
        return this.locid;
    }
    public void setLocid(Integer locid) {
        this.locid = locid;
    }
    public Integer getYear() {
        return this.year;
    }
    public void setYear(Integer year) {
        this.year = year;
    }

    public boolean equals(Object other) {
        if (this == other) {
            return true;
        }
        if (!(other instanceof TutRptLocYearlyPK)) {
            return false;
        }
        TutRptLocYearlyPK castOther = (TutRptLocYearlyPK)other;
        return 
            this.locid.equals(castOther.locid)
            && this.year.equals(castOther.year);
    }

    public int hashCode() {
        final int prime = 31;
        int hash = 17;
        hash = hash * prime + this.locid.hashCode();
        hash = hash * prime + this.year.hashCode();

        return hash;
    }
}

错误消息：

原因：org.hibernate.MappingException:映射中重复列 对于实体：com.ts.user.entity.tutrptlocyear列：locid（应该 在中使用insert=“false”update=“false”）进行映射 org.hibernate.mapping.PersistentClass.checkColumnReplication（PersistentClass.java:830） 在 org.hibernate.mapping.PersistentClass.checkPropertyColumnDuplication（PersistentClass.java:848） 在 org.hibernate.mapping.PersistentClass.checkColumnReplication（PersistentClass.java:870） 在 org.hibernate.mapping.PersistentClass.validate（PersistentClass.java:605） 位于org.hibernate.mapping.RootClass.validate（RootClass.java:265） org.hibernate.boot.internal.MetadataImpl.validate（MetadataImpl.java:329） 在 org.hibernate.boot.internal.SessionFactoryBuilderImpl.build（SessionFactoryBuilderImpl.java:443） 在 org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build（EntityManagerFactoryBuilderImpl.java:879） ... 省略46个公共框架

---

据我所见，您有两个名为“locid”的列，一个是由ManyTone Relationship和您的注释

@JoinColumn（name=“locid”）

生成的，另一个是嵌入以locid为主键的TutrpLocYearlyPK生成的。您必须重命名其中一个。TutRptLocYearlyPK中的locid是TutLocation的外键。参考ERD，只创建了2个表，并且自动生成TutRptLocYearlyPK类，因为TutRptLocYearly将使用外键（locid）+年份作为其主键。

@Embeddable
public class TutRptLocYearlyPK implements Serializable {
    //default serial version id, required for serializable classes.
    private static final long serialVersionUID = 1L;

    @Column(insertable=false, updatable=false)
    private Integer locid;

    private Integer year;

    public TutRptLocYearlyPK() {
    }
    public Integer getLocid() {
        return this.locid;
    }
    public void setLocid(Integer locid) {
        this.locid = locid;
    }
    public Integer getYear() {
        return this.year;
    }
    public void setYear(Integer year) {
        this.year = year;
    }

    public boolean equals(Object other) {
        if (this == other) {
            return true;
        }
        if (!(other instanceof TutRptLocYearlyPK)) {
            return false;
        }
        TutRptLocYearlyPK castOther = (TutRptLocYearlyPK)other;
        return 
            this.locid.equals(castOther.locid)
            && this.year.equals(castOther.year);
    }

    public int hashCode() {
        final int prime = 31;
        int hash = 17;
        hash = hash * prime + this.locid.hashCode();
        hash = hash * prime + this.year.hashCode();

        return hash;
    }
}