/usr/share/maven-repo/org/codehaus/plexus/plexus-resources/1.0-alpha-7/plexus-resources-1.0-alpha-7.jar is in libplexus-resources-java 1.0~alpha7-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/org/codehaus/plexus/plexus-resources/1.0-alpha-7/../../../../../../java/plexus-resources.jar