/usr/share/java/ring-jetty-adapter.jar is in libring-jetty-adapter-clojure 1.6.2-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/java/ring-jetty-adapter-1.6.2.jar
/usr/share/java/ring-jetty-adapter-1.6.2.jar