connection = (HttpURLConnection) new URL(resolved).openConnection();
connection.setRequestProperty("Cache-Control", "no-transform");
int response = connection.getResponseCode();
if (response == 200) {
scanner = new Scanner(connection.getInputStream());
scanner.useDelimiter("\\Z");
content = scanner.next();
}
if (response != 200 || (content == null || content.isEmpty())) {
for (String server : backupServers.values()) {
resolved = "http://" + server + "/md5/FTB2/" + url;