Попробуй явно указывать версию HTTP как в примере:
Цитата:
String url = "http://www.marchal.com/",
proxy = "proxy.mydomain.com",
port = "8080",
authentication = "usr wd";
URL server = new URL(url);
Socket socket = new Socket(proxy,port);
Writer writer = new OutputStreamWriter(socket.getOutputStream(),
"US-ASCII");
writer.write("GET " + server.toExternalForm() + " HTTP/1.0\r\n");
writer.write("Host: " + server.getHost() + "\r\n");
writer.write("Proxy-Authorization: Basic "
+ new sun.misc.BASE64Encoder().encode(
authentication.getBytes())
+ "\r\n\r\n");
writer.flush();
BufferedReader reader = new BufferedReader(new InputStreamReader(
socket.getInputStream(),"US-ASCII"));
String line = reader.readLine();
if(line != null && line.startsWith("HTTP/"))
{
int sp = line.indexOf(' ');
String status = line.substring(sp + 1,sp + 4);
if(status.equals("200"))
{
while(line.length() != 0)
line = reader.readLine();
readResponse(reader);
}
else
throw new FileNotFoundException("Host reports error " +
status);
}
else
throw new IOException("Bad protocol");
reader.close();
writer.close();
socket.close();
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