conn = new Mysqli(env, "localhost", "", "", "", 1521, "", driver, url);
conn = new Mysqli(env, "localhost", "", "", "", 1521, "", 0, driver, url);
  private Mysqli getConnection(Env env)  {    Mysqli conn = null;    Object connectionInfo[] = (Object[])env.getSpecialValue("caucho.oracle");    if (connectionInfo != null) {      // Reuse the cached connection      conn = (Mysqli)connectionInfo[1];      return conn;    }    String driver = "oracle.jdbc.driver.OracleDriver";    String url = "jdbc:oracle:thin:@localhost:1521";    conn = new Mysqli(env, "localhost", "", "", "", 1521, "", driver, url);    env.setSpecialValue("caucho.oracle", conn);    return conn;  }