**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**
插入臨時地址和永久地址由學生組成的關係船在運行這段代碼的下面顯示錯誤,請幫我 異常線程「main」 org.hibernate.MappingException:實體映射中的重複列:com.sathya.pojo.Student列:pin(應映射爲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)我有錯誤,而在休眠