/usr/share/maven-repo/com/sun/ is in libtxw2-java 0.1+20110809-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/maven-repo/com/sun/xml/
/usr/share/maven-repo/com/sun/xml/txw2/
/usr/share/maven-repo/com/sun/xml/txw2/txw2/
/usr/share/maven-repo/com/sun/xml/txw2/txw2-project/
/usr/share/maven-repo/com/sun/xml/txw2/txw2-project/20110809/
/usr/share/maven-repo/com/sun/xml/txw2/txw2-project/20110809/txw2-project-20110809.pom
/usr/share/maven-repo/com/sun/xml/txw2/txw2-project/debian/
/usr/share/maven-repo/com/sun/xml/txw2/txw2-project/debian/txw2-project-debian.pom
/usr/share/maven-repo/com/sun/xml/txw2/txw2/20110809/
/usr/share/maven-repo/com/sun/xml/txw2/txw2/20110809/txw2-20110809.jar
/usr/share/maven-repo/com/sun/xml/txw2/txw2/20110809/txw2-20110809.pom
/usr/share/maven-repo/com/sun/xml/txw2/txw2/debian/
/usr/share/maven-repo/com/sun/xml/txw2/txw2/debian/txw2-debian.jar
/usr/share/maven-repo/com/sun/xml/txw2/txw2/debian/txw2-debian.pom
/usr/share/maven-repo/com/sun/xml/txw2/txwc2/
/usr/share/maven-repo/com/sun/xml/txw2/txwc2/20110809/
/usr/share/maven-repo/com/sun/xml/txw2/txwc2/20110809/txwc2-20110809.jar
/usr/share/maven-repo/com/sun/xml/txw2/txwc2/20110809/txwc2-20110809.pom
/usr/share/maven-repo/com/sun/xml/txw2/txwc2/debian/
/usr/share/maven-repo/com/sun/xml/txw2/txwc2/debian/txwc2-debian.jar
/usr/share/maven-repo/com/sun/xml/txw2/txwc2/debian/txwc2-debian.pom