/usr/share/maven-repo/de/javakaffee/kryo-serializers/0.22/kryo-serializers-0.22.jar is in libkryo-serializers-java 0.22-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/de/javakaffee/kryo-serializers/0.22/../../../../../java/kryo-serializers.jar