/usr/share/maven-repo/args4j/args4j-tools/debian/args4j-tools-debian.jar is in libargs4j-java 2.0.16-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/args4j/args4j-tools/debian/../2.0.16/args4j-tools-2.0.16.jar