Mark T. B. Carroll

Thank you, much appreciated, especially that I can at least ask questions about the existing implementation. Happy to keep this issue as a record of what we try when but,...

Note that this is also sought on [[image.sc] Bfconvert specify JPEG quality](https://forum.image.sc/t/27176).

Confirmed: Using Bio-Formats 6.0.1 and one of our own sample files: ``` $ bfconvert -version Version: 6.0.1 Build date: 14 March 2019 VCS revision: f47f5e3a611a76d52548b9e22b696498fcf0e1b1 $ bfconvert -compression JPEG Image_01_V76\...

> non-trivial static analysis when initialized This *could* also spot opportunities to reorder rules to reduce number of passes in cases where outcome would remain unchanged. However, there are probably...

I routinely run local testing without `/OMERO/` existing. Perhaps there's some issue with one of the directories immediately below `omero.data.dir`?

Could you paste the whole stack trace? I wonder if there's some clue in the call path to confirm which of the abstract FS instances is complaining.

Could there be something odd about the permissions on the directory itself? `ls -dl /nfs/omero/idr-repo/omero-server` Is the server running as the `omero` user or at least something in that group?

I'd expect any fairly recent virtualenv to work -- personally I often happen to use 15.1.0 instead of 16.7.0 -- so you could probably go ahead and try the installation...

It's also worth noting that at the leading edge of OMERO development there is expected to be a fair bit of movement on Python 3 compatibility so that may have...

Thanks! Thinking of more than just workflows, could be Gemfile, etc. too (what else?): though, also, to avoid maintenance headache, could simply be a note of where to look for...