Java url.openConnetion не работает

package com.weather;
 
import javafx.fxml.FXML;
import javafx.scene.control.Button;
import javafx.scene.control.TextField;
import javafx.scene.text.Text;
 
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.MalformedURLException;
import java.net.*;
import java.net.URLConnection;
 
 
public class Controller {
 
    @FXML
    private TextField city;
 
    @FXML
    private Button getCityData;
 
    @FXML
    private Text pressure;
 
    @FXML
    private Text temp;
 
    @FXML
    private Text temp_f;
 
    @FXML
    private Text temp_max;
 
    @FXML
    private Text temp_min;
 
    @FXML
    void initialize(){
        getCityData.setOnAction(actionEvent -> {
            String cityName = city.getText();
            String output = getUrl("https://history.openweathermap.org/data/2.5/aggregated/day?q=" + cityName + "GB&month=2&day=1&appid={3ee6007ff8f587ed9b06710408cea215}");
            System.out.println("Всё окей!");
        });
    }
 
    private static String getUrl(String urlAdres) {
        StringBuffer content = new StringBuffer();
 
        try {
            URL url = new URL(urlAdres);
            URLConnection urlConn = new url.openConnection(urlAdres);
 
            BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(urlConn.getInputStream()));
            String line;
 
            while ((line = bufferedReader.readLine()) != null) {
                content.append(line + "\n");
            }
            bufferedReader.close();
        } catch (MalformedURLException e) {
            throw new RuntimeException(e);
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
        return content.toString();
    }
}