/usr/share/java/osgi.compendium.jar is in libosgi-compendium-java 5.0.0-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/java/osgi.compendium-5.0.0.jar
/usr/share/java/osgi.compendium-5.0.0.jar