> I'm not sure if these issues are related or not, but I'm getting an error
> message when I want to access the root of the ODB via the webserver:
> [mhttpd,ERROR] [mhttpd.cxx:563:rread,ERROR] Cannot read file '/root', read of
> 4096 returned -1, errno 21 (Is a directory)

This is an old bug. It was part of the "custom path" confusion. Fixed (I think) in all midas-2019 
releases.

To confirm, which version are you using (run "odbedit ver" or look on the mhttpd "help" page)?

If you have an older version, I recommend that you update to midas-2019-03 (cd midas; git pull; 
git checkout midas-2019-03; make clean; make).

If you feel adventurous, you can also update to the head of the development version
and see all the new features (cmake, c++11, new history pages).

If you do not feel adventurous, wait until we have midas-2019-09 ready, use midas-2019-03 
until then.

K.O.