Tag: connectexception

HttpsURLConnection：连接超时错误

我有一个简单的代码，用于设置与谷歌的https连接并打印获得的响应。 import java.io.OutputStreamWriter; import java.net.URL; import javax.net.ssl.HttpsURLConnection; public class SendCertReq { public static void main(String[] args) throws Exception { URL url = new URL(“https://www.google.co.in/”); HttpsURLConnection conn = (HttpsURLConnection)url.openConnection(); conn.setRequestMethod(“GET”); conn.setDoOutput(true); OutputStreamWriter wr = new OutputStreamWriter(conn.getOutputStream()); wr.close(); System.out.println(conn.getResponseMessage()); } } 我尝试运行它时出现以下错误。 Exception in thread “main” java.net.ConnectException: Connection timed out: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) at java.net.DualStackPlainSocketImpl.socketConnect(Unknown Source) […]