/usr/share/java/gluegen2-rt.jar is in libgluegen2-rt-java 2.3.2-5.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/java/gluegen2-rt-2.3.2.jar
/usr/share/java/gluegen2-rt-2.3.2.jar