我试图通过简单的休息服务调用消费rss feed . 但我得到连接超时 . 示例rss feed:https://www.yahoo.com/news/rss/
我的代码:
公共课测试{
// http://localhost:8080/RESTfulExample/json/product/get
public static void main(String a[]){
try {
URL url = new URL("https://www.yahoo.com/news/rss/");
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setRequestMethod("GET");
conn.setRequestProperty("Accept", "application/json");
//conn.setConnectTimeout(999999);
/*
if (conn.getResponseCode() != 200) {
throw new RuntimeException("Failed : HTTP error code : "
+ conn.getResponseCode());
}*/
BufferedReader br = new BufferedReader(new InputStreamReader(
(conn.getInputStream())));
String output;
System.out.println("Output from Server .... \n");
while ((output = br.readLine()) != null) {
System.out.println(output);
}
conn.disconnect();
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
}
例外:
java.net.ConnectException:连接超时:连接java.net.DualStackPlainSocketImpl.connect0(本机方法)java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79)at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java :java.com.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200)java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182)at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)at java .net.SocksSocketImpl.connect(SocksSocketImpl.java:392)at java..Socket.connect(Socket.java:579)at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:625)at sun.security . 位于sun.net.www.http.HttpClient.openServer(HttpClient.java:432)sun.net.NetworkClient.doConnect(NetworkClient.java:180)的ssl.BaseSSLSocketImpl.connect(BaseSSLSocketImpl.java:160) .http.HttpClient.openServer(HttpClient.java:527)at sun.net.www.protocol.https.HttpsClient . (HttpsClient.java) :275)at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:371)at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191)at sun.net . www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:933)at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177)at sun.net.www.protocol.http.HttpURLConnection . testInmain上的sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:254)中的getInputStream(HttpURLConnection.java:1301)
这是错误的方法/代码吗?如果你可以建议更好的方法/代码 .
1 回答
最后能够通过设置代理来解决问题 . 这是适合我的代码 .
公共课测试{
}