/usr/ is in libplexus-classworlds2-java 2.4-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/libplexus-classworlds2-java/
/usr/share/
/usr/share/doc/
/usr/share/doc/libplexus-classworlds2-java/copyright
/usr/share/doc/libplexus-classworlds2-java/changelog.Debian.gz
/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/2.4/
/usr/share/maven-repo/org/codehaus/plexus/plexus-classworlds/2.4/plexus-classworlds-2.4.pom
/usr/share/maven-repo/org/codehaus/plexus/plexus-classworlds/2.x/
/usr/share/maven-repo/org/codehaus/plexus/plexus-classworlds/2.x/plexus-classworlds-2.x.pom
/usr/share/java/
/usr/share/java/plexus-classworlds2-2.4.jar
/usr/share/maven-repo/org/codehaus/plexus/plexus-classworlds/2.4/plexus-classworlds-2.4.jar
/usr/share/maven-repo/org/codehaus/plexus/plexus-classworlds/2.x/plexus-classworlds-2.x.jar
/usr/share/java/plexus-classworlds2.jar