Socket.io - failed: Connection closed before receiving a handshake response

Question

Socket.io for NodeJS doesn\'t seem to work as a websocket server

For some reason, socket.io ALWAYS fallback to the long polling and if I force the w

Answer 1

In my case the problem was that I am proxying the server through browser-sync

browserSync({
    //server: {
    //  // src is included for use with sass source maps
    //  baseDir: ['public', 'src']
    //},
    proxy: "localhost:4045",
    port: 4046

So this will fail, however in production it works fine.