/usr/share/java/freehep-xml.jar is in libfreehep-xml-java 2.1.2+dfsg1-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/java/../maven-repo/org/freehep/freehep-xml/2.1.2/freehep-xml-2.1.2.jar