Java报错net.dean.jraw.http.NetworkException异常的原因及解决方法

import net.dean.jraw.http.NetworkException;
import net.dean.jraw.http.HttpRequest;
import net.dean.jraw.http.HttpResponse;

public class RedditClient {
    public static void main(String[] args) {
        try {
            HttpRequest request = new HttpRequest.Builder()
                .url("https://oauth.reddit.com/api/v1/me")
                .build();
            
            HttpResponse response = request.send();
            System.out.println(response.body());
        } catch (NetworkException e) {
            e.printStackTrace();
        }
    }
}

net.dean.jraw.http.NetworkException: java.io.IOException: Connection timed out

// 检查网络连接是否正常
boolean isConnected = checkNetworkConnection();
if (!isConnected) {
    System.out.println("Network connection error");
    return;
}

HttpRequest request = new HttpRequest.Builder()
    .url("https://oauth.reddit.com/api/v1/me")
    .connectTimeout(10000) // 设置连接超时为10秒
    .readTimeout(10000)    // 设置读取超时为10秒
    .build();

HttpRequest request = new HttpRequest.Builder()
    .url("https://oauth.reddit.com/api/v1/me")
    .addHeader("Authorization", "bearer YOUR_ACCESS_TOKEN")
    .build();

System.setProperty("http.proxyHost", "proxy.example.com");
System.setProperty("http.proxyPort", "8080");