Diagnosing Problems related to WebSockets
-
Check status of websocket daemon:
sudo systemctl status submitty_websocket_server
-
If necessary, try to restart the websocket daemon:
sudo systemctl restart submitty_websocket_server
-
Look at the more detailed, recent stdout & stderr from the websocket daemon:
sudo journalctl -u submitty_websocket_server
-
Look for errors about sockets in:
/var/log/syslog
-
Look in the site_errors log:
tail -n 50 site_errors/<TODAYS_DATE>.log
-
Look for errors in the the apache log:
/var/log/apache2/submitty.log