Jetty 11.0.1: Servlet 5.0, JSP 3.0 対応コンテナ
https://github.com/eclipse/jetty.project/releases/tag/jetty-11.0.1
Jetty 10 and 11 Have Arrived!
https://webtide.com/jetty-10-and-11-have-arrived/
http://www.eclipse.org/jetty/