/usr/share/pki/ca/webapps/ca/WEB-INF/lib/slf4j-jdk14.jar is in pki-ca 10.6.0-1ubuntu2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/pki/ca/webapps/ca/WEB-INF/lib/../../../../../../java/slf4j-jdk14.jar