/usr/share/maven-repo/org/jruby/extras/jaffl/debian/jaffl-debian.jar is in libjaffl-java 0.5.9-5.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/org/jruby/extras/jaffl/debian/../../../../../../java/jaffl-0.5.9.jar