Good to know! I followed the tutorial and they were using it there, and didn't see the docs after that. I see that the Matt's blog handles the problem with requ

Good to know! I followed the tutorial and they were using it there, and didn't see the docs after that. I see that the Matt's blog handles the problem with request-binding himself, by doing ensuring encoding conversions, and gets over the file uploading problem. So I would replace my code with the way he does. For your boilerplate, you may want to add bunch of options to serve/servlet such static files path, stateless? (to not use continuations) etc...