Hibernate подключение к базе

package test;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
 
import java.io.Serializable;
import javax.persistence.*;
 
 
@Entity
@Table(name="human")
public class Human implements Serializable {
    @Override
    public String toString() {
        return "Human{" +
                "id=" + id +
                ", name='" + name + '\'' +
                ", age=" + age +
                ", humanItems=" + item +
                '}';
    }
 
    private long id;
    private String name;
    private int age; //age in full years
    private String item;
 
    public Human(){};
 
    public Human(String name, int age, String item) {
        this.name = name;
        this.age = age;
        this.item = item;
    }
 
    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    @Column
    public long getId() {
        return id;
    }
 
    @Column(name="fullname")
    public String getName() {
        return name;
    }
 
    @Column(name="years")
    public int getAge() {
        return age;
    }
 
 
    public void setId(long id) {
 
        this.id = id;
    }
 
    public static void main(String[] args) {
 
        Human human2 = new Human("KHarlamich",23,null);
 
        SessionFactory session = HibernateUtil.getSessionFactory();
        try {
            Session cr = session.getCurrentSession();
            Transaction tr = cr.beginTransaction();
 
            cr.saveOrUpdate(human2);
 
            //cr.flush();
 
            /*Следующая задача - извлечение из бд */
 
            tr.commit();
            System.out.println("over");
            }
        catch(Exception ex)
        {
            System.out.println("error "+ex);
        }
        finally {
            session.close();
        }
    }
}

package test;
/**
 * Created by yusufcakmak on 8/3/15.
 */
 
import java.util.Properties;
 
import org.hibernate.SessionFactory;
import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
import org.hibernate.cfg.Configuration;
import org.hibernate.service.ServiceRegistry;
 
public class HibernateUtil {
 
    //XML based configuration
    private static SessionFactory sessionFactory;
 
    //Annotation based configuration
    private static SessionFactory sessionAnnotationFactory;
 
    //Property based configuration
    private static SessionFactory sessionJavaConfigFactory;
 
    /**
     * @return SessionFactory
     */
    private static SessionFactory buildSessionFactory() {
        try {
            // Create the SessionFactory from hibernate.cfg.xml
            Configuration configuration = new Configuration();
            configuration.configure("hibernate.cfg.xml");
            System.out.println("Hibernate Configuration loaded");
            StandardServiceRegistryBuilder standardServiceRegistryBuilder = new StandardServiceRegistryBuilder();
            standardServiceRegistryBuilder.applySettings(configuration.getProperties());
            ServiceRegistry serviceRegistry = standardServiceRegistryBuilder.build();
            System.out.println("Hibernate serviceRegistry created");
 
/** ТУТ ДОЛЖНО БЫТЬ БОЛЬШЕ КЛАССЛВ*/
            Configuration configuration1 = configuration;
            configuration1.addAnnotatedClass(Human.class);
            SessionFactory sessionFactory = configuration1.buildSessionFactory(serviceRegistry);
            System.out.println("hibernate got annotated classes");
 
            return sessionFactory;
        }
        catch (Throwable ex) {
            // Make sure you log the exception, as it might be swallowed
            System.err.println("Initial SessionFactory creation failed." + ex);
            throw new ExceptionInInitializerError(ex);
        }
    }
 
    private static SessionFactory buildSessionAnnotationFactory() {
        try {
            // Create the SessionFactory from hibernate.cfg.xml
            Configuration configuration = new Configuration();
            configuration.configure("hibernate.cfg.xml");
            System.out.println("Hibernate Annotation Configuration loaded");
 
            ServiceRegistry serviceRegistry = new StandardServiceRegistryBuilder().applySettings(configuration.getProperties()).build();
            System.out.println("Hibernate Annotation serviceRegistry created");
 
            SessionFactory sessionFactory = configuration.buildSessionFactory(serviceRegistry);
 
            return sessionFactory;
        }
        catch (Throwable ex) {
            // Make sure you log the exception, as it might be swallowed
            System.err.println("Initial SessionFactory creation failed." + ex);
            throw new ExceptionInInitializerError(ex);
        }
    }
 
    private static SessionFactory buildSessionJavaConfigFactory() {
        try {
            Configuration configuration = new Configuration();
 
            configuration.addResource("hibernate.cfg.xml").configure();
            ServiceRegistry serviceRegistry = new StandardServiceRegistryBuilder().applySettings(configuration.getProperties()).build();
            System.out.println("Hibernate Java Config serviceRegistry created");
            
            SessionFactory sessionFactory = configuration.buildSessionFactory(serviceRegistry);
 
            return sessionFactory;
        }
        catch (Throwable ex) {
            System.err.println("Initial SessionFactory creation failed." + ex);
            throw new ExceptionInInitializerError(ex);
        }
    }
 
    public static SessionFactory getSessionFactory() {
        if(sessionFactory == null) sessionFactory = buildSessionFactory();
        return sessionFactory;
    }
 
    public static SessionFactory getSessionAnnotationFactory() {
        if(sessionAnnotationFactory == null) sessionAnnotationFactory = buildSessionAnnotationFactory();
        return sessionAnnotationFactory;
    }
 
    public static SessionFactory getSessionJavaConfigFactory() {
        if(sessionJavaConfigFactory == null) sessionJavaConfigFactory = buildSessionJavaConfigFactory();
        return sessionJavaConfigFactory;
    }
 
}