/usr/share/java/gluegen2.jar is in libgluegen2-build-java 2.0-rc3-6.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/java/gluegen2-2.0-rc3.jar
/usr/share/java/gluegen2-2.0-rc3.jar