<Resource name="jdbc/hibernate" auth="Container" type="javax.sql.DataSource"
        maxActive="20" maxIdel="10" maxWait="1000" username="root" password="root"
        driverClassName="com.mysql.jdbc.Driver" url="jdbc:mysql://localhost:3306/hibernate_jndi">
    </Resource>

        <property name="connection.datasource">java:comp/env/jdbc/hibernate</property>

Configuration cfg = new Configuration();
cfg.configure();
SessionFactory factory = cfg.buildSessionFactory();
Session session = factory.openSession();