/usr/share/maven-repo/org/slf4j/jul-to-slf4j/debian/jul-to-slf4j-debian.jar is in libslf4j-java 1.7.14-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/org/slf4j/jul-to-slf4j/debian/../../../../../java/jul-to-slf4j.jar