/usr/share/maven-repo/javax/activation/gnujaf/1.1.1/gnujaf-1.1.1.jar is in libgnujaf-java 1.1.1-8build1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/javax/activation/gnujaf/1.1.1/../../../../../java/activation-1.1.1.jar