/usr/share/java/jmagick6.jar is in libjmagick6-java 6.2.6-0-8build1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/java/jmagick6-6.2.6-0.jar
/usr/share/java/jmagick6-6.2.6-0.jar