/usr/ is in libcommons-validator-java 1:1.4.0-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/maven-repo/
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/usr/share/maven-repo/commons-validator/commons-validator/
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/usr/share/java/
/usr/share/java/commons-validator.jar
/usr/share/maven-repo/commons-validator/commons-validator/1.4.0/commons-validator-1.4.0.jar
/usr/share/maven-repo/commons-validator/commons-validator/debian/commons-validator-debian.jar
/usr/share/java/commons-validator-1.4.0.jar