我正在尝试使用smack 4.2.4发送图像和文件，而我的服务器是jabb3r.org但是没有任何进程，它会向我发送此错误：
从fattaneh123@jabb3r.org/Xabber_egtxJrjU收到的XMPP错误回复：XMPPError：service-unavailable - wait
我测试了xabber中的文件发送功能并且安全聊天，它们与jabb3r一起正常工作，但是他们在proxy.hot-chilli.net:5281/upload上传文件 我怎么能访问这个网址并发送我的文件
public void send(String id, String path) throws XmppStringprepException{
ServiceDiscoveryManager sdm = ServiceDiscoveryManager.getInstanceFor(connection);
if (sdm == null) {
sdm = ServiceDiscoveryManager.getInstanceFor(connection);
sdm.addFeature("http://jabber.org/protocol/disco#info");
sdm.addFeature("jabber:iq:privacy");
}
FileTransferManager manager = FileTransferManager.getInstanceFor(connection);
final OutgoingFileTransfer transfer = manager.createOutgoingFileTransfer(JidCreate.entityFullFrom("fattaneh123@jabb3r.org/Xabber_egtxJrjU"));
FileTransferNegotiator.IBB_ONLY = true;
final File file = new File(path);
try {
FileTransferNegotiator.getInstanceFor(connection).negotiateOutgoingTransfer(JidCreate.entityFullFrom("fattaneh123@jabb3r.org/Xabber_egtxJrjU"), transfer.getStreamID(), file.getName(), file.length(), "ali", 10000);
} catch (XMPPException.XMPPErrorException e) {
e.printStackTrace();
} catch (SmackException.NotConnectedException e) {
e.printStackTrace();
} catch (SmackException.NoResponseException e) {
e.printStackTrace();
} catch (FileTransferException.NoAcceptableTransferMechanisms noAcceptableTransferMechanisms) {
noAcceptableTransferMechanisms.printStackTrace();
} catch (InterruptedException e) {
e.printStackTrace();
}
new AsyncTask<Void, Void, Void>() {
protected void onPreExecute() {
}
@Override
protected Void doInBackground(Void... params) {
try {
transfer.sendFile(file,file.getName());
} catch (SmackException e) {
e.printStackTrace();
}
while (!transfer.isDone()) {
if (transfer.getStatus().equals("Error")) {
Log.d("file transfer",
"ERROR!!! " + transfer.getError());
} else if (transfer.getStatus().equals("Cancelled")
|| transfer.getStatus().equals("Refused")) {
Log.d("file transfer",
"Cancelled!!! " + transfer.getError());
}
try {
Thread.sleep(1000L);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
return null;
}
protected void onPostExecute(Void result) {
if (transfer.getStatus().equals("Refused")
|| transfer.getStatus().equals("Error")
|| transfer.getStatus().equals("Cancelled")) {
Log.i("file transfer", "refused cancelled error "
+ transfer.getError());
} else {
Log.i("file transfer", "Success: " + transfer.getException().getMessage());
}
}
;
}.execute();
}