/usr/share/maven-repo/jfree/jfreechart/1.0.13/jfreechart-1.0.13.jar is in libjfreechart-java 1.0.13-7.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/jfree/jfreechart/1.0.13/../../../../java/jfreechart-1.0.13.jar