/usr/ is in libcommons-dbcp-java 1.4-5ubuntu2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/java/
/usr/share/java/commons-dbcp-1.4.jar
/usr/share/doc/
/usr/share/doc/libcommons-dbcp-java/
/usr/share/doc/libcommons-dbcp-java/copyright
/usr/share/doc/libcommons-dbcp-java/changelog.Debian.gz
/usr/share/maven-repo/
/usr/share/maven-repo/commons-dbcp/
/usr/share/maven-repo/commons-dbcp/commons-dbcp/
/usr/share/maven-repo/commons-dbcp/commons-dbcp/1.4/
/usr/share/maven-repo/commons-dbcp/commons-dbcp/1.4/commons-dbcp-1.4.pom
/usr/share/maven-repo/commons-dbcp/commons-dbcp/debian/
/usr/share/maven-repo/commons-dbcp/commons-dbcp/debian/commons-dbcp-debian.pom
/usr/share/java/commons-dbcp.jar
/usr/share/maven-repo/commons-dbcp/commons-dbcp/1.4/commons-dbcp-1.4.jar
/usr/share/maven-repo/commons-dbcp/commons-dbcp/debian/commons-dbcp-debian.jar