I 17:46:35.936 org.hibernate.cfg.Configuration doConfigure: HHH000041: Configured SessionFactory: null
   W 17:46:36.209 org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl configure: HHH000402: Using Hibernate built-in connection pool (not for production use!)
   I 17:46:36.243 org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl configure: HHH000115: Hibernate connection pool size: 0
   I 17:46:36.244 org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl configure: HHH000006: Autocommit mode: false
   I 17:46:36.244 org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl configure: HHH000401: using driver [com.mysql.jdbc.GoogleDriver] at URL [jdbc:google:mysql://database?user=someUser]
   I 17:46:36.245 org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl configure: HHH000046: Connection properties: {}
   I 17:46:45.356 org.hibernate.dialect.Dialect <init>: HHH000400: Using dialect: org.hibernate.dialect.MySQL5InnoDBDialect

properties.put("hibernate.connection.driver_class", "com.mysql.jdbc.GoogleDriver");
properties.put("hibernate.connection.url", "jdbc:google:mysql://" + SQL_INSTANCE + "/" + DATABASE + "?user=someUser");

// disable schema check
properties.put("hibernate.hbm2ddl.auto", ""); // disable
properties.put("hibernate.show_sql", false);

// single session per request/thread
properties.put("hibernate.connection.pool_size", 0);
properties.put("hibernate.current_session_context_class", "thread");

Configuration cfg = new Configuration();
cfg.configure("/META-INF/hibernate.cfg.xml");
cfg.addProperties(properties);

sessionFactory = cfg.buildSessionFactory(new ServiceRegistryBuilder().applySettings(cfg.getProperties()).buildServiceRegistry());

public Session getSession() {

        Session session;
        try {
            session = sessionFactory.getCurrentSession();
        }
        catch (org.hibernate.HibernateException he) {
            log.info("Opening new hibernate session.");
            session = sessionFactory.openSession();
        }

        return session;
    }