/usr/share/maven-repo/org/libreoffice/unoloader/5.1.2/unoloader-5.1.2.jar is in ure 5.1.2-0ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/org/libreoffice/unoloader/5.1.2/../../../../../java/unoloader-5.1.2.jar