/usr/share/maven-repo/org/osgi/org.osgi.compendium/debian/org.osgi.compendium-debian.jar is in libosgi-compendium-java 4.3.0-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/org/osgi/org.osgi.compendium/debian/../../../../../java/osgi.compendium.jar