/usr/share/maven-repo/org/bitlet/weupnp/debian/weupnp-debian.jar is in libweupnp-java 0.1.2-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/org/bitlet/weupnp/debian/../../../../../java/weupnp.jar