/usr/share/maven-repo/io/projectreactor/reactor-core/2.0.8.RELEASE/reactor-core-2.0.8.RELEASE.jar is in libreactor-core-java 2.0.8-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/io/projectreactor/reactor-core/2.0.8.RELEASE/../../../../../java/reactor-core-2.0.8.RELEASE.jar