Java server socket: Connection refused

Asked Dec 12 '18 at 13:09

Active Dec 12 '18 at 13:58

Viewed 105 times

I have a Windows server on which I have a server socket that listens on port 18451:

D:>netstat -a | findstr 18451
  TCP    0.0.0.0:18451          XW10LSCP0030:0         LISTENING
  TCP    [::]:18451             XW10LSCP0030:0         LISTENING

On the same server I have a client program that tries to connect to this server socket:

Socket socket = new Socket(inetSocketAddress.getAddress(), inetSocketAddress.getPort());

However I get a connection refused connection:

localhost/127.0.0.1:18451: Connection refused: connect

The windows firewall is not running. How can this be explained ?

edited Dec 12 '18 at 13:35

asked Dec 12 '18 at 13:09

frederikdebacker

1

how are you doing the connection? It sounds to me it should be or localhost:18451 or 127.0.0.1:18451, but not both together localhost/127.0.0.1:18451 – Juan Dec 12 '18 at 13:13
the connection is done to localhost – frederikdebacker Dec 12 '18 at 13:23
Can you and the code? – Juan Dec 12 '18 at 13:28
added to the question – frederikdebacker Dec 12 '18 at 13:35
can you telnet on that port ?? – AntJavaDev Dec 12 '18 at 14:12
no, same issue, connection refused – frederikdebacker Dec 12 '18 at 15:04
1

The server is clearly in a listening state, but it is likely not accepting new clients in a timely manner, if at all. Its backlog has likely filled up. – Remy Lebeau Dec 12 '18 at 21:16

Java server socket: Connection refused

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