/usr/share/java/plexus-interpolation-1.11.jar is in libplexus-interpolation-java 1.11-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/java/../maven-repo/org/codehaus/plexus/plexus-interpolation/1.11/plexus-interpolation-1.11.jar