/usr/share/apacheds/lib/apacheds-protocol-ntp.jar is in apacheds 2.0.0~M15-4.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/apacheds/lib/../../java/apacheds-protocol-ntp.jar
/usr/share/apacheds/lib/../../java/apacheds-protocol-ntp.jar