Did you update to FreeNAS 9.2.0?
I upgraded to 9.2 yesterday. Then I
Stopped the plex plugin
Copied my
usr/pbi/plexmediaserver-amd64/plexdata/Plex Media Server folder to a folder outside of the jail as a backup.
Updated the plugin using the plugin "update" feature. - this took a very long time, and the WebGUI stays at 50% as if it was stuck, but eventually it finished.
**Here is where I started to have problems.
I started the Plex plugin and could not open the Web Interface
I ssh'd into the plex jail and saw only a single plexmediaserver process running, which I knew was not right
I stopping Plex, restoring the library from backup , and starting to no avail.
At this point, I gave up, deleted and reinstalled the plugin.
I restored the library again, including changing file ownership from root:plex to plex:plex
I recreated the media link that points from the Plex jail to my Media folder.
I started Plex up and everything was there.
The upgrade did not go as smoothly as I had hoped. I may have been able to get Plex working after the upgrade, but I just wanted to get it working so I took the brute force approach.
If someone else does the update, has the same issue I did but identified and fixed the issue, I hope that they post it here so that others can have a better experience than I did.
At least it works. I'll try to be more patient when the next Plex plugin update is release.