/usr/ is in libcommons-exec-java 1.3-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/java/
/usr/share/java/commons-exec.jar
/usr/share/maven-repo/
/usr/share/maven-repo/org/
/usr/share/maven-repo/org/apache/
/usr/share/maven-repo/org/apache/commons/
/usr/share/maven-repo/org/apache/commons/commons-exec/
/usr/share/maven-repo/org/apache/commons/commons-exec/1.3/
/usr/share/maven-repo/org/apache/commons/commons-exec/1.3/commons-exec-1.3.pom
/usr/share/maven-repo/org/apache/commons/commons-exec/debian/
/usr/share/maven-repo/org/apache/commons/commons-exec/debian/commons-exec-debian.pom
/usr/share/doc/
/usr/share/doc/libcommons-exec-java/
/usr/share/doc/libcommons-exec-java/changelog.Debian.gz
/usr/share/doc/libcommons-exec-java/copyright
/usr/share/java/commons-exec-1.3.jar
/usr/share/maven-repo/org/apache/commons/commons-exec/1.3/commons-exec-1.3.jar
/usr/share/maven-repo/org/apache/commons/commons-exec/debian/commons-exec-debian.jar