/usr/ is in libcommons-pool2-java 2.4.2-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/java/
/usr/share/java/commons-pool2.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-pool2/
/usr/share/maven-repo/org/apache/commons/commons-pool2/debian/
/usr/share/maven-repo/org/apache/commons/commons-pool2/debian/commons-pool2-debian.pom
/usr/share/maven-repo/org/apache/commons/commons-pool2/2.4.2/
/usr/share/maven-repo/org/apache/commons/commons-pool2/2.4.2/commons-pool2-2.4.2.pom
/usr/share/doc/
/usr/share/doc/libcommons-pool2-java/
/usr/share/doc/libcommons-pool2-java/copyright
/usr/share/doc/libcommons-pool2-java/changelog.Debian.gz
/usr/share/java/commons-pool2-2.4.2.jar
/usr/share/maven-repo/org/apache/commons/commons-pool2/debian/commons-pool2-debian.jar
/usr/share/maven-repo/org/apache/commons/commons-pool2/2.4.2/commons-pool2-2.4.2.jar