/usr/ is in libcommons-lang-java 2.6-3ubuntu2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/java/
/usr/share/java/commons-lang-2.6.jar
/usr/share/doc/
/usr/share/doc/libcommons-lang-java/
/usr/share/doc/libcommons-lang-java/README.Debian
/usr/share/doc/libcommons-lang-java/changelog.Debian.gz
/usr/share/doc/libcommons-lang-java/copyright
/usr/share/maven-repo/
/usr/share/maven-repo/commons-lang/
/usr/share/maven-repo/commons-lang/commons-lang/
/usr/share/maven-repo/commons-lang/commons-lang/2.6/
/usr/share/maven-repo/commons-lang/commons-lang/2.6/commons-lang-2.6.pom
/usr/share/maven-repo/commons-lang/commons-lang/debian/
/usr/share/maven-repo/commons-lang/commons-lang/debian/commons-lang-debian.pom
/usr/share/java/commons-lang.jar
/usr/share/maven-repo/commons-lang/commons-lang/2.6/commons-lang-2.6.jar
/usr/share/maven-repo/commons-lang/commons-lang/debian/commons-lang-debian.jar