/usr/share/maven-repo/org/codehaus/plexus/plexus-container-default/1.0-beta-3.0.7/plexus-container-default-1.0-beta-3.0.7.jar is in libplexus-containers-java 1.0~beta3.0.7-7.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/org/codehaus/plexus/plexus-container-default/1.0-beta-3.0.7/../../../../../../java/plexus-container-default-1.0-beta-3.0.7.jar