Failed: Error in connection establishment: net::ERR_CONNECTION_REFUSED

I try to connect with socket to my server. My server is running server socket with Rachet on port 8080. I try to run this code:

<script>   

    try{
    conn = new WebSocket('wss://localhost:8080');


conn.onclose = function (e)
{
        //checkUser();
}

conn.onopen = function(e) 
{
    console.log("test");
};

    }catch (error)
{
    console.log(error);
}

  </script>

But I get this error:

WebSocket connection to 'wss://localhost:8080/' failed: Error in connection establishment: net::ERR_CONNECTION_REFUSED

When I try to connect from my linux shell I get this:

root@(none):~# telnet localhost 8080
Trying ::1...
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.