/usr/share/maven-repo/org/codehaus/plexus/plexus-classworlds/2.x/plexus-classworlds-2.x.jar is in libplexus-classworlds2-java 2.5.2-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/org/codehaus/plexus/plexus-classworlds/2.x/../../../../../../java/plexus-classworlds.jar