返回org.hibernate.MappingException: Unknown entity:
Users类的代码是hibernate tool生成的应该没什么问题才对,不知道怎么回事。
代码如下:import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.Table;import org.hibernate.Session;
import org.hibernate.Transaction;/**
* Users generated by hbm2java
*/
@Entity
@Table(name="users"
,catalog="ITCareer"
)
public class Users implements java.io.Serializable {
/**
*
*/
private static final long serialVersionUID = -6259367736073647248L;
private int id;
private String name;
private String nickname;
private int age; public Users() {
} public Users(int id, String name, String nickname, int age) {
this.id = id;
this.name = name;
this.nickname = nickname;
this.age = age;
}
@Id
@Column(name="id", unique=true, nullable=false)
public int getId() {
return this.id;
}
public void setId(int id) {
this.id = id;
}
@Column(name="name", nullable=false, length=50)
public String getName() {
return this.name;
}
public void setName(String name) {
this.name = name;
}
@Column(name="nickname", nullable=false, length=50)
public String getNickname() {
return this.nickname;
}
public void setNickname(String nickname) {
this.nickname = nickname;
}
@Column(name="age", nullable=false)
public int getAge() {
return this.age;
}
public void setAge(int age) {
this.age = age;
}
public static void main(String[] args) {
Users user = new Users();
user.setName("caterpillar");
user.setAge(10);
user.setNickname("sdf");
user.setId(10);
Session session = HibernateUtil.getSessionFactory().openSession();
Transaction tx= session.beginTransaction();
session.save(user);
tx.commit();
session.close();
HibernateUtil.shutdown();
}}
Users类的代码是hibernate tool生成的应该没什么问题才对,不知道怎么回事。
代码如下:import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.Table;import org.hibernate.Session;
import org.hibernate.Transaction;/**
* Users generated by hbm2java
*/
@Entity
@Table(name="users"
,catalog="ITCareer"
)
public class Users implements java.io.Serializable {
/**
*
*/
private static final long serialVersionUID = -6259367736073647248L;
private int id;
private String name;
private String nickname;
private int age; public Users() {
} public Users(int id, String name, String nickname, int age) {
this.id = id;
this.name = name;
this.nickname = nickname;
this.age = age;
}
@Id
@Column(name="id", unique=true, nullable=false)
public int getId() {
return this.id;
}
public void setId(int id) {
this.id = id;
}
@Column(name="name", nullable=false, length=50)
public String getName() {
return this.name;
}
public void setName(String name) {
this.name = name;
}
@Column(name="nickname", nullable=false, length=50)
public String getNickname() {
return this.nickname;
}
public void setNickname(String nickname) {
this.nickname = nickname;
}
@Column(name="age", nullable=false)
public int getAge() {
return this.age;
}
public void setAge(int age) {
this.age = age;
}
public static void main(String[] args) {
Users user = new Users();
user.setName("caterpillar");
user.setAge(10);
user.setNickname("sdf");
user.setId(10);
Session session = HibernateUtil.getSessionFactory().openSession();
Transaction tx= session.beginTransaction();
session.save(user);
tx.commit();
session.close();
HibernateUtil.shutdown();
}}
第二,HibernateUtil中获取session是不是通过AnnotationConfiguration获得的