public void deleteRequestHandler(String userName, String accountnumber) {

    try {
      sql.getConnection();
    } catch (ClassNotFoundException e) {
      e.printStackTrace();
    } catch (SQLException e) {
      e.printStackTrace();
    }

    try {

      sql.deleteUserDetails(userName, accountnumber);
      sql.close();
    } catch (Exception e) {
      e.printStackTrace();
    }
  }