/usr/share/groovy/lib/jsp-api-2.3.jar is in groovy 2.4.8-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/groovy/lib/../../java/jsp-api-2.3.jar
/usr/share/groovy/lib/../../java/jsp-api-2.3.jar