/usr/ is in libcommons-discovery-java 0.5-2ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/maven-repo/
/usr/share/maven-repo/commons-discovery/
/usr/share/maven-repo/commons-discovery/commons-discovery/
/usr/share/maven-repo/commons-discovery/commons-discovery/0.5/
/usr/share/maven-repo/commons-discovery/commons-discovery/0.5/commons-discovery-0.5.pom
/usr/share/maven-repo/commons-discovery/commons-discovery/debian/
/usr/share/maven-repo/commons-discovery/commons-discovery/debian/commons-discovery-debian.pom
/usr/share/java/
/usr/share/java/commons-discovery-0.5.jar
/usr/share/doc/
/usr/share/doc/libcommons-discovery-java/
/usr/share/doc/libcommons-discovery-java/TODO
/usr/share/doc/libcommons-discovery-java/copyright
/usr/share/doc/libcommons-discovery-java/changelog.Debian.gz
/usr/share/maven-repo/commons-discovery/commons-discovery/0.5/commons-discovery-0.5.jar
/usr/share/maven-repo/commons-discovery/commons-discovery/debian/commons-discovery-debian.jar
/usr/share/java/commons-discovery.jar