/usr/ is in libdtd-parser-java 1.2~svn20110404-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/java/dtd-parser.jar
/usr/share/doc/
/usr/share/doc/libdtd-parser-java/
/usr/share/
/usr/share/maven-repo/
/usr/share/maven-repo/com/
/usr/share/maven-repo/com/sun/
/usr/share/maven-repo/com/sun/xml/
/usr/share/maven-repo/com/sun/xml/dtd-parser/
/usr/share/maven-repo/com/sun/xml/dtd-parser/dtd-parser/
/usr/share/maven-repo/com/sun/xml/dtd-parser/dtd-parser/1.2-SNAPSHOT/
/usr/share/maven-repo/com/sun/xml/dtd-parser/dtd-parser/1.2-SNAPSHOT/dtd-parser-1.2-SNAPSHOT.pom
/usr/share/maven-repo/com/sun/xml/dtd-parser/dtd-parser/debian/
/usr/share/maven-repo/com/sun/xml/dtd-parser/dtd-parser/debian/dtd-parser-debian.pom
/usr/share/java/
/usr/share/doc/libdtd-parser-java/copyright
/usr/share/doc/libdtd-parser-java/changelog.Debian.gz
/usr/share/maven-repo/com/sun/xml/dtd-parser/dtd-parser/1.2-SNAPSHOT/dtd-parser-1.2-SNAPSHOT.jar
/usr/share/maven-repo/com/sun/xml/dtd-parser/dtd-parser/debian/dtd-parser-debian.jar
/usr/share/java/dtd-parser-1.2-SNAPSHOT.jar