/usr/ is in libgnujaf-java 1.1.1-8build1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/java/
/usr/share/java/activation-1.1.1.jar
/usr/share/doc/
/usr/share/doc/libgnujaf-java/
/usr/share/doc/libgnujaf-java/copyright
/usr/share/doc/libgnujaf-java/AUTHORS
/usr/share/doc/libgnujaf-java/README.Debian
/usr/share/doc/libgnujaf-java/changelog.Debian.gz
/usr/share/maven-repo/
/usr/share/maven-repo/javax/
/usr/share/maven-repo/javax/activation/
/usr/share/maven-repo/javax/activation/gnujaf/
/usr/share/maven-repo/javax/activation/gnujaf/1.1.1/
/usr/share/maven-repo/javax/activation/gnujaf/1.1.1/gnujaf-1.1.1.pom
/usr/share/maven-repo/javax/activation/gnujaf/debian/
/usr/share/maven-repo/javax/activation/gnujaf/debian/gnujaf-debian.pom
/usr/share/java/activation.jar
/usr/share/maven-repo/javax/activation/gnujaf/1.1.1/gnujaf-1.1.1.jar
/usr/share/maven-repo/javax/activation/gnujaf/debian/gnujaf-debian.jar