/usr/share/maven-repo/net/sf/squirrel-sql/thirdparty-non-maven/java-cup/debian/java-cup-debian.jar is in cup 0.11a+20060608-6.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/net/sf/squirrel-sql/thirdparty-non-maven/java-cup/debian/../0.11a/java-cup-0.11a.jar