<property name="connection.provider_class">org.jasypt.hibernate4.connectionprovider.EncryptedPasswordDriverManagerConnectionProvider</property>

<property name="connection.encryptor_registered_name">configurationHibernateEncryptor</property>
    <property name="dialect">org.hibernate.dialect.MySQLDialect</property>
    <property name="connection.driver_class">com.mysql.jdbc.Driver</property>
    <property name="connection.url">jdbc:mysql://localhost:3306/aprendiendojsf?autoReconnect=true</property>
    <property name="connection.username">root</property>
    <property name="connection.password">ENC(lhFCMXdRkAw7Cz5JU17lvg==)</property>
    <property name="show_sql">true</property>
    <property name="current_session_context_class">thread</property>

public class HibernateUtil {

private static SessionFactory sessionFactory = null;

static {
    try {
        // Create the SessionFactory from standard (hibernate.cfg.xml)
        // config file.
        sessionFactory = new AnnotationConfiguration().configure().buildSessionFactory();

        StandardPBEStringEncryptor encryptor = new StandardPBEStringEncryptor();
        encryptor.setAlgorithm("PBEWithMD5AndDES");
        encryptor.setPassword("clave");
        HibernatePBEEncryptorRegistry registry = HibernatePBEEncryptorRegistry.getInstance();
        registry.registerPBEStringEncryptor("configurationHibernateEncryptor", encryptor);
        } catch (Throwable ex) {
        // Log the exception.
        System.err.println("Initial SessionFactory creation failed." + ex);
        ex.printStackTrace();
    }
}

public static SessionFactory getSessionFactory() {
    return sessionFactory;
}

INFO: HHH000046: Connection properties: {user=root, encryptor_registered_name=configurationHibernateEncryptor, password=****}

WARN: HHH000342: Could not obtain connection to query metadata : Could not create connection to database server. Attempted reconnect 3 times. Giving up.