/usr/share/maven-repo/org/codehaus/plexus/plexus-component-metadata/1.5.5/plexus-component-metadata-1.5.5.jar is in libplexus-component-metadata-java 1.6-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/org/codehaus/plexus/plexus-component-metadata/1.5.5/../../../../../../java/plexus-component-metadata.jar