Galera, eu to precisando de uma ajuda. Estou tentando rodar um exemplo simples do JPA, so que ta rolando a seguinte exception :
[color=red]Exception in thread "main" javax.persistence.PersistenceException: No Persistence provider for EntityManager named pul: No META-INF/persistence.xml was found in classpath.
at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:154)
at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:83)
at bar.client.BaseDao.
at bar.client.Client.main(Client.java:12)[/color]
<?xml version="1.0" encoding="UTF-8"?>
<persistence version="1.0" xmlns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema">
<persistence-unit name="pul">
<provider>oracle.toplink.essentials.ejb.cmp3.EntityManagerFactoryProvider</provider>
<class>bar.model.Sushi</class>
<properties>
<property name="toplink.jdbc.driver" value="org.h2.Driver" />
<property name="toplink.jdbc.url" value="jdbc:h2:tcp://localhost/C/database/sushi" />
<property name="toplink.jdbc.password" value="" />
<property name="toplink.jdbc.user" value="sa" />
<property name="toplink.logging.level" value="INFO" />
</properties>
</persistence-unit>
</persistence>
package bar.model;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Id;
@Entity
public class Sushi {
@Id
@Column(insertable = false)
private int id;
private String name;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
package bar.client;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.Persistence;
public class BaseDao<T> {
private static EntityManagerFactory emf;
private EntityManager em;
public BaseDao(){
emf = Persistence.createEntityManagerFactory("pul");
em = emf.createEntityManager();
}
public boolean create(T obj){
em.getTransaction().begin();
try{
em.persist(obj);
em.getTransaction().commit();
return true;
}catch(Exception e ){
e.printStackTrace();
em.getTransaction().rollback();
return false;
}
}
}
package bar.client;
import bar.model.Sushi;
public class Client {
/**
* @param args
*/
public static void main(String[] args) {
BaseDao<Sushi> dao = new BaseDao<Sushi>();
Sushi hot = new Sushi();
hot.setName("HOT FILADELFIA");
Sushi fil = new Sushi();
fil.setName("FILADELFIA");
dao.create(hot);
dao.create(fil);
}
}
