sessionFactory = new Configuration()
            .configure() // configures settings from hibernate.cfg.xml
            .buildSessionFactory();
        } catch (Throwable ex) {

public class HibernateUtil {

    private static final SessionFactory sessionFactory;
    private static ServiceRegistry serviceRegistry;
   
    static {
        Configuration configuration = new Configuration();
        try {
            serviceRegistry = new StandardServiceRegistryBuilder().applySettings(
            configuration.getProperties()).build();
            // Create the SessionFactory from standard (hibernate.cfg.xml)
            // config file.
                sessionFactory = new Configuration()
            .configure() // configures settings from hibernate.cfg.xml
            .buildSessionFactory(serviceRegistry);
        } catch (Throwable ex) {
            // Log the exception.
            System.err.println("Initial SessionFactory creation failed." + ex);
            throw new ExceptionInInitializerError(ex);
        }
    }
   
    public static SessionFactory getSessionFactory() {
        return sessionFactory;
    }
}