/usr/share/maven-repo/xalan/ is in libxalan2-java 2.7.1-7ubuntu0.1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/maven-repo/xalan/serializer/
/usr/share/maven-repo/xalan/serializer/2.7.1/
/usr/share/maven-repo/xalan/serializer/2.7.1/serializer-2.7.1.jar
/usr/share/maven-repo/xalan/serializer/2.7.1/serializer-2.7.1.pom
/usr/share/maven-repo/xalan/serializer/debian/
/usr/share/maven-repo/xalan/serializer/debian/serializer-debian.jar
/usr/share/maven-repo/xalan/serializer/debian/serializer-debian.pom
/usr/share/maven-repo/xalan/xalan/
/usr/share/maven-repo/xalan/xalan/2.7.1/
/usr/share/maven-repo/xalan/xalan/2.7.1/xalan-2.7.1.jar
/usr/share/maven-repo/xalan/xalan/2.7.1/xalan-2.7.1.pom
/usr/share/maven-repo/xalan/xalan/debian/
/usr/share/maven-repo/xalan/xalan/debian/xalan-debian.jar
/usr/share/maven-repo/xalan/xalan/debian/xalan-debian.pom