/usr/share/maven-repo/com/igormaznitsa/jcp/6.0.1/jcp-6.0.1.jar is in libcomment-preprocessor-java 6.0.1-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/com/igormaznitsa/jcp/6.0.1/../../../../../java/jcp.jar