/usr/share/java/plexus-sec-dispatcher.jar is in libplexus-sec-dispatcher-java 1.3.1-5.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/java/../maven-repo/org/sonatype/plexus/plexus-sec-dispatcher/1.3.1/plexus-sec-dispatcher-1.3.1.jar