/usr/share/java/maven-war-plugin-2.1.1.jar is in libmaven-war-plugin-java 2.1.1-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/java/../maven-repo/org/apache/maven/plugins/maven-war-plugin/2.1.1/maven-war-plugin-2.1.1.jar