**This is student pojo class**
@Entity
@Table(name="student")
public class Student {
@Id
private int studentId;
private String StudentName;
@Embedded
private Adress add;
@Embedded
private Adress temp;
public void setTemp(Adress temp) {
this.temp = temp;
}
public void setAdd(Adress add) {
this.add = add;
}
public void setStudentId(int studentId) {
this.studentId = studentId;
}
public void setStudentName(String studentName) {
StudentName = studentName;
}}
** this is Address pojo class**
@Embeddable
public class Adress {
@Column(name="village")
private String village;
@Column(name="pin")
private int pin;
public void setVillage(String village) {
this.village = village;
}
public void setPin(int pin) {
this.pin = pin;
}}
** Main class **
public class Test {
public static void main(String[] args) {
SessionFactory factory=Sessionfactory.getfactory();
Session session=factory.openSession();
Adress a=new Adress();
a.setPin(123);
a.setVillage("kanipakam");
Adress a2=new Adress();
a2.setVillage("kanchi");
a2.setPin(1234);
Student s=new Student();
s.setAdd(a);
s.setTemp(a2);
s.setStudentId(101);
s.setStudentName("uday");
Transaction tx=session.beginTransaction();
session.save(s);
tx.commit();
System.out.println("object saved");
session.close();
factory.close();
}}
** showing error**
插入临时地址和永久地址由学生组成的关系船在运行这段代码的下面显示错误,请帮我 异常线程“main” org.hibernate.MappingException:实体映射中的重复列:com.sathya.pojo.Student列:pin(应映射为insert =“false”update =“false”) at org.hibernate.mapping.PersistentClass.checkColumnDuplication(PersistentClass.java:709 ) at org.hibernate.mapping.PersistentClass.checkPropertyColumnDuplication(PersistentClass.java:731) at org.hibernate.mapping.PersistentClass.checkPropertyColumnDuplication(Persisten tClass.java:727) 在org.hibernate.mapping.PersistentClass.checkColumnDuplication(PersistentClass.java:753) 在org.hibernate.mapping.PersistentClass.validate(PersistentClass.java:506) 在org.hibernate.mapping。在org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1849) at com上的RootClass.validate(RootClass.java:270) at org.hibernate.cfg.Configuration.validate(Configuration.java:1358) 。 sathya.singleton.Sessionfactory.getfactory(Sessionfactory.java:21) 在com.sathya.Test.Test.main(Test.java:16)我有错误,而在休眠