here is the issue open in git
please request to check cluster support before launching update.mysterydata created this issue in NodeBB/NodeBB closed Upgrade from version 1.15.x to 1.16.x got error #9125
I've tried apache as well as nginx on a digital ocean server running Ubuntu 16.10. Using the default configuration for SSL listed on the nodebb site, the forums load properly but the sockets are never able to connect the user.
GET https://forum.serversite.com/socket.io/?EIO=3&transport=polling&t=Lfzci_0 400 ()
@Async0x42 I see the same issue with HTTP as well on a subdomain400 (Bad Request). Will report here if i find a fix