/usr/ is in libplexus-classworlds-java 1.5.0-5.
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/codehaus/
/usr/share/maven-repo/org/codehaus/plexus/
/usr/share/maven-repo/org/codehaus/plexus/plexus-classworlds/
/usr/share/maven-repo/org/codehaus/plexus/plexus-classworlds/debian/
/usr/share/maven-repo/org/codehaus/plexus/plexus-classworlds/debian/plexus-classworlds-debian.pom
/usr/share/maven-repo/org/codehaus/plexus/plexus-classworlds/1.5.0/
/usr/share/maven-repo/org/codehaus/plexus/plexus-classworlds/1.5.0/plexus-classworlds-1.5.0.pom
/usr/share/java/
/usr/share/java/plexus-classworlds.jar
/usr/share/doc/
/usr/share/doc/libplexus-classworlds-java/
/usr/share/doc/libplexus-classworlds-java/TODO.Debian
/usr/share/doc/libplexus-classworlds-java/copyright
/usr/share/doc/libplexus-classworlds-java/changelog.Debian.gz
/usr/share/maven-repo/org/codehaus/plexus/plexus-classworlds/debian/plexus-classworlds-debian.jar
/usr/share/maven-repo/org/codehaus/plexus/plexus-classworlds/1.5.0/plexus-classworlds-1.5.0.jar
/usr/share/java/plexus-classworlds-1.5.0.jar