WebSocket Server started! Listening on port 8081...
<br />
<b>Fatal error</b>:  Uncaught RuntimeException: Failed to listen on &quot;tcp://0.0.0.0:8080&quot;: Address already in use (EADDRINUSE) in /home/krsinfotech/public_html/php/vendor/react/socket/src/TcpServer.php:188
Stack trace:
#0 /home/krsinfotech/public_html/php/vendor/react/socket/src/Server.php(81): React\Socket\TcpServer-&gt;__construct('tcp://0.0.0.0:8...', Object(React\EventLoop\StreamSelectLoop), Array)
#1 /home/krsinfotech/public_html/php/vendor/cboden/ratchet/src/Ratchet/Server/IoServer.php(59): React\Socket\Server-&gt;__construct('0.0.0.0:8080', Object(React\EventLoop\StreamSelectLoop))
#2 /home/krsinfotech/public_html/php/test_websocket.php(53): Ratchet\Server\IoServer::factory(Object(Ratchet\Http\HttpServer), 8080)
#3 {main}
  thrown in <b>/home/krsinfotech/public_html/php/vendor/react/socket/src/TcpServer.php</b> on line <b>188</b><br />