I have no idea how I missed that in the documentation. Going back to look at it now, it's obvious. Thank you for your help. I downgraded Tornado, and now everything works properly. For the benefit of anyone else having this problem, the latest version of Tornado 3.X is Tornado 3.2.2 and can be insta...

I am trying to run my own WebTiles server. Currently, I have the server up and running. However, there are no tile images. The UI loads properly. I can navigate to the URL for the images and access them properly. I am using an Ubuntu 16.04 LTS 64-bit server. Python version is 2.7 and Tornado version...