I encountered some errors while following the Official guide.
Lucky, I fixed all the errors and make it work finally.
Notes my workaround here, hope it work for you if you have the same problem.
gpg: keyserver receive failed: keyserver error
sudo apt-key adv --keyserver
hkp://keys.gnupg.net:80 --recv-keys 5AFA7A83
WebSocket connection to 'wss://<local_ip>:8433/kurento' failed: Error in connection establishment: net::ERR_CONNECTION_REFUSED
the application server is started with https if you follow the guide:
http-server -p 8443 -S -C keys/server.crt -K keys/server.key
but kurento media server start without ssl by default config.
You can get from the config and the default port is
modify kurento media server config to enable ssl and use the same cert that used for your application server. it is a little complex.
but we have a easy solution, just start your application without ssl and test with firefox(if use chrome, you will got a dom exception, then you have to enable ssl for kms).
ws_uri: 'ws://' + location.hostname + ':
start application server with
http-server -p 8443
record callback not triggered
if you use kurento-hello-world-recorder-generator as the example, then everything works well.
but if you use kurento-tutorial-js/kurento-recorder, you might found record not work.
Below patch is work solution for it, but it was not accepted, strange thing.