Hi everyone,
I'm trying to send a UDP packet using DatagramSocket in my GAE app in Java.
But I always get a timeout error during the send operation. I try different
IPs and ports, even 8.8.8.8 port 53 doesn't work. Though the code works
fine from my local machine.
And the code is very simple:
private void sendUdp(String server, int port, String msg) throws IOException
{
InetAddress addr= InetAddress.getByName(server);
DatagramSocket socket= new DatagramSocket();
socket.connect(addr, port);
byte[] queryBuf = msg.getBytes();
DatagramPacket queryPacket = new DatagramPacket(queryBuf, queryBuf.length,
addr, port);
socket.send(queryPacket); // HERE'S A TIMEOUT ERROR
socket.close();
}
My application is paid, quotas are ok (and I can successfully use sockets
for TCP)
Has anybody a clue if UDP sockets are working at all? Because it seems they
don't.
Thanks,
Max
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