/usr/share/java/pmaven-groovy.jar is in libpolyglot-maven-java 0.8~tobrien+git20120905-9.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/java/pmaven-groovy-0.8-tobrien-SNAPSHOT.jar
/usr/share/java/pmaven-groovy-0.8-tobrien-SNAPSHOT.jar