我试图从GAE服务器压缩响应,但在Content-Encoding中得到null。
我有以下代码:
connection = (HttpURLConnection)url.openConnection();
connection.setRequestMethod("POST");
connection.setRequestProperty("Content-Type",
"application/json; charset=utf-8"); //"application/json; charset=utf-8"
connection.setRequestProperty("Accept-Encoding", "gzip");
connection.setRequestProperty("User-Agent", "gzip");
connection.setUseCaches (false);
connection.setDoInput(true);
connection.setDoOutput(true);
//write
//read
System.out.println("Content-Encoding " + connection.getContentEncoding());
我了解到,在GAE服务器上会自动压缩。那么问题可能出在哪里?