I am trying to create a Windows service which listens on a particular port for an incoming serialized object and then performs some action, however every time I start I get the following error:
System.Net.Sockets.SocketException (0x80004005): Only one usage of each socket address (protocol/network address/port) is normally permitted
Here is the code that's running:
protected override void OnStart(string[] args)
{
Thread t = new Thread(Server.StartServer);
t.Start();
}
The StartServer method looks like this:
public static void StartServer()
{
TcpListener server = null;
try
{
server = new TcpListener(IPAddress.Loopback, 8889);
server.Start();
}
catch(Exception e)
{
//write to a log file and close
}
for (; ; )
//Some more code that handles the serialization etc
The message seems to state that something else is already listening on that socket however when I take a look using CMD and netstat -a I see nothing on that port, and it seems to occur regardless of what I change the listening port to. The exception occurs on the line "server = new TcpListener(IPAddress.Loopback, 8889);".
Why does this error occur and how am I able to make this work properly?
*Edited to note that I have also tried this as a console app and it seems to work, it only fails when running as a Windows Service
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