I'm assuming this is due to the fact that I'm running it behind a reverse proxy, but Mylar has started to throw a big red error telling me that I can't manually post-process right now, however the client continues to chug along and post-process the comics that I drop into my blackhole directory just fine. It's just a visual thing, as it doesn't actually throw anything in the logs other than the usual "Found comic, doesn't match what I already have". The other thing I've noticed is that I can't check for an update either, as it does the exact same thing in terms of throwing a red error which doesn't show up in the logs.
I'm running Ubuntu 15.10, with Mylar version Version: efe447f5170dfcea873b5da735c2fd66d2fe9936 (development).
This is probably related to the root option available within the Mylar configuration - abeit I haven't a clue really at this point in time, as I haven't looked at that portion of code in awhile and most of it (from what I recall) was taken from a myriad of places in order to get things to work (headphones being the template again).
I'll look into this abit more, but I have a feeling I"ll have to setup mine to use a reverse proxy which might take a bit of time in itself to do
I wound up killing the reverse proxy for Mylar specifically because of this error, the update check error and something else I don't remember exactly, but it wouldn't take much for me to set it back up if you ever get the time to set it up and check it out.
Once I get caught up on some of the holiday backlog of mylar issues, I can look more into this - as it should be working regardless of a reverse proxy or not. I'll throw a pm back in here once I have looked into it more (if some time passes, and I haven't responded back - just post a msg in here and I should see it)