I\'m running an example of SockJS.
Ran npm install (everything okay)
Start server with no problem.
When I first load the test page, I see that ther
Your server is listening on 9999 port! So you have to put the port too.
This will work http://127.0.0.1:9999/echo/info
http://127.0.0.1:9999/echo/info