Python, Connectin Refused 10061

Question

I keep getting this error

[Errno 10061] No connection could be made because the target machine actively refused it.

I'm running Windows 7 64 bit, no virus or protection software, and python is allowed through my firewall (I've also tried turning my firewall completely off but same result). When I run the server and use telnet it connects just fine. When I try to connect to the server with the client it fails. Any suggestions as to what I could try to fix this? If you need more information just ask and I'll provide.

Client Code

import socket import sys def main(): host = "" port = 8934 message = "Hello World!" host = raw_input("Enter IP: ") #Create Socket try: s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) except socket.error, msg: print "Failed to create socket. Error code: %s Error Message: %s"%(str(msg[0]),msg[1]) sys.exit() print "Socket created" #Connec to Server print host print port s.connect((host,port)) print "You are connected to %s with IP adress of %s"%(host,host) #Send Data try: s.sendall(message) except socket.error: print "Failed to send." #Receive Data reply = s.recv(4096) if __name__ == "__main__": main()

Server Code

# !usr/bin/python import socket import sys HOST = "" PORT = 8934 def main(): #Setup socket try: s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) except socket.error,msg: print "Unable to create socket" sys.exit() print "Socket created." #Bind to adress try: s.bind((HOST,PORT)) except socket.error,msg: print "Bind failed. Closing..." sys.exit() print "Socket bound." #Start listening s.listen(10) print "Socket Listening" #Accept connection conn, addr = s.accept() print "Connected to %s:%s"%(addr[0],addr[1]) if __name__ == "__main__": main()

You realize this server will quit as soon as it accepts the first connection, right? So there's no way your code that tries to receive data from it or send to it will work, once you get past this problem? — abarnert
– abarnert, Commented Dec 8, 2012 at 0:20
Also, please fix your indentation, so we can copy and paste your code to run it, or just read it, without having to guess. — abarnert
– abarnert, Commented Dec 8, 2012 at 0:20
@abarnert I realize it will quit yes. All I'm worried about is getting it to connect at all then I will work from there. Sorry about the indention, I didn't realize it goofed it up. — cgasser
– cgasser, Commented Dec 8, 2012 at 0:24
As far as I can tell, the fact that the server quits is the only actual problem here. You can only run the client one time, then the server quits, and if you run the client again, you get a 10061 error (or, on Unix, a 61 error). If you run another server, you can run one client again. — abarnert
– abarnert, Commented Dec 8, 2012 at 0:27

abarnert · Accepted Answer · 2012-12-08 00:28:55Z

Taking a guess at your indentation, and running your code… it works just fine.* (As long as I type in 127.0.0.1 when it asks me for the IP.)

Of course the second time I run the client (if I haven't restarted the server) I get a connection-refused error. But that's just because you've coded a server that immediately quits as soon as it gets the first connection. So the second time you run the client, there is no server, so the OS rejects the connection.

You can always run the server again, which lets you run the client one more time. (Except that the server may get a 10048 error when it tries to bind the socket, because the OS is keeping it around for the previous owner. If you see that, look at SO_REUSEADDR in the docs.)

* By "works just fine" I mean that it connects, and prints out the following before quitting:

Socket created 127.0.0.1 8934 You are connected to 127.0.0.1 with IP adress of 127.0.0.1

Obviously it never sends anything to the server or receives anything back, because the server has no send or recv calls, or anything else.

Alright, I was making a stupid mistake. I was trying to connect through the wrong IP. Wow I feel dumb now. Thanks for insight abarnet!

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