/usr/share/maven-repo/org/codehaus/plexus/plexus-utils/debian/plexus-utils-debian.jar is in libplexus-utils-java 1:1.5.15-4.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/org/codehaus/plexus/plexus-utils/debian/../../../../../../java/plexus-utils-1.5.15.jar