/usr/share/maven-repo/com/goldmansachs/gs-collections-forkjoin/debian/gs-collections-forkjoin-debian.jar is in libgs-collections-java 5.1.0-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/com/goldmansachs/gs-collections-forkjoin/debian/../../../../../java/gs-collections-forkjoin.jar