/usr/ is in libmaven-site-plugin-java 2.1-4.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/maven-repo/
/usr/share/maven-repo/org/
/usr/share/maven-repo/org/apache/
/usr/share/maven-repo/org/apache/maven/
/usr/share/maven-repo/org/apache/maven/plugins/
/usr/share/maven-repo/org/apache/maven/plugins/maven-site-plugin/
/usr/share/maven-repo/org/apache/maven/plugins/maven-site-plugin/2.1/
/usr/share/maven-repo/org/apache/maven/plugins/maven-site-plugin/2.1/maven-site-plugin-2.1.jar
/usr/share/maven-repo/org/apache/maven/plugins/maven-site-plugin/2.1/maven-site-plugin-2.1.pom
/usr/share/doc/
/usr/share/doc/libmaven-site-plugin-java/
/usr/share/doc/libmaven-site-plugin-java/changelog.Debian.gz
/usr/share/doc/libmaven-site-plugin-java/TODO.Debian
/usr/share/doc/libmaven-site-plugin-java/copyright