/usr/share/maven-repo/org/codehaus/plexus/plexus-io/1.0-alpha-5/plexus-io-1.0-alpha-5.jar is in libplexus-io-java 1.0~alpha5-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/org/codehaus/plexus/plexus-io/1.0-alpha-5/../../../../../../java/plexus-io-1.0-alpha-5.jar