/usr/share/java/upnp.jar is in libupnp-java 1.0.4+triplea-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/java/upnp-1.0.4+triplea.jar
/usr/share/java/upnp-1.0.4+triplea.jar