socket.io: Failed to load resource

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The Issues

  • First of all you need to be looking at the server port that the server is bound on (app.listen(3001);) on the client side in order to reach the server at all.

  • As for socket.io, adding http://localhost:3001 before the rest of the source in the link tag solves this problem. This is apparently due to the way the network binds ports to localhost, however I will try to find some more information on the cause;

What to change:

The port binding for the server:

var socket = io.connect('http://localhost');

should be change to

var socket = io.connect('http://localhost:3001');

Making socket.io behave:

<script src="https://stackoverflow.com/socket.io/socket.io.js"></script>

should be change to

<script src="http://localhost:3001/socket.io/socket.io.js"></script>

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