NC + Collabora - Unable to get working - document loading failed

hi @brianv

the log looks like there is an issue with reverse proxy:

Firefox can't establish connection to server wss://docserver1.xxx.eu/cool/https%3A%2F%2Fapp.xxx.eu%2Findex.php%2Fapps%2Frichdocuments%2Fwopi%2Ffiles%2F1047_ocj09au06x6t%3Faccess_token%3DqwSalpjD4ekeGSVQHMMlJTdQ0bacKaSB%26access_token_ttl%3D0%26permission%3Dedit/ws?WOPISrc=https%3A%2F%2Fapp.xxx.eu%2Findex.php%2Fapps%2Frichdocuments%2Fwopi%2Ffiles%2F1047_ocj09au06x6t&compat=/ws. cool.html:254:12275

please carefully work through discussions on this forum - you find useful troubleshooting hints