Methoden zur Lösung der Java-Netzwerkverbindungs-Timeout-Ausnahme (SocketTimeoutException)

import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;

class ConnectionTimeoutExample {
    public static void main(String[] args) {
        try {
            // 创建URL对象并设置连接地址
            URL url = new URL("http://www.example.com");
            
            // 打开连接
            URLConnection connection = url.openConnection();
            
            // 设置连接超时时间为5秒
            connection.setConnectTimeout(5000);
            
            // 发送请求并等待响应
            connection.connect();
            
            // 进行其他操作...
        } catch (MalformedURLException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

<dependencies>
    <dependency>
        <groupId>org.apache.httpcomponents</groupId>
        <artifactId>httpclient</artifactId>
        <version>4.5</version>
    </dependency>
</dependencies>

import org.apache.http.client.config.RequestConfig;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;

class HttpClientTimeoutExample {
    public static void main(String[] args) {
        // 创建HttpClient对象
        CloseableHttpClient httpClient = HttpClients.createDefault();
        
        // 设置连接超时时间为5秒
        RequestConfig requestConfig = RequestConfig.custom()
            .setConnectTimeout(5000)
            .build();
            
        // 创建HttpGet对象并设置请求地址
        HttpGet httpGet = new HttpGet("http://www.example.com");
        
        // 将连接超时配置应用于HttpGet对象
        httpGet.setConfig(requestConfig);
        
        try {
            // 发送请求并等待响应
            CloseableHttpResponse response = httpClient.execute(httpGet);
            
            // 进行其他操作...
            
            // 关闭连接
            response.close();
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            try {
                // 关闭HttpClient对象
                httpClient.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}