/usr/share/java/jul-to-slf4j.jar is in libslf4j-java 1.6.4-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/java/jul-to-slf4j-1.6.4.jar
/usr/share/java/jul-to-slf4j-1.6.4.jar