我想用做一个POST请求 HttpsURLConnection ，并获得

I am trying to do a POST request using HttpsURLConnection, and get

java.net.ProtocolException: Connection already established

在 setRequestMethod 古怪， conn.connected 返回假之前。

我在想什么？

URL url = new URL("https://ws.audioscrobbler.com/2.0/");
HttpsURLConnection conn = (HttpsURLConnection) url.openConnection();
conn.setReadTimeout(15000);
conn.setConnectTimeout(15000);
// here conn.connected is false
conn.setRequestMethod("POST"); // here I get java.net.ProtocolException: Connection already established
conn.setDoInput(true);

修改

我想DefaultHttpClient和它的作品，所以我会用它来代替。

I tried DefaultHttpClient and it works, so I'll use it instead.

推荐答案

我试过 DefaultHttpClient 和它的作品，所以我会用它来代替。

I tried DefaultHttpClient and it works, so I'll use it instead.