try {
			Connection conn = null;
			conn = DriverManager.getConnection("jdbc:mysql://192.168.0.151/" + mysql_db, mysql_usr, mysql_pwd);
		} catch (SQLException ex) {
			System.out.println("SQLException: " + ex.getMessage());
			System.out.println("SQLState: " + ex.getSQLState());
			System.out.println("VendorError: " + ex.getErrorCode());
		}

		conn.close();