/usr/share/maven-repo/xml-apis/xml-apis-ext/debian/xml-apis-ext-debian.jar is in libxml-commons-external-java 1.4.01-2build1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/xml-apis/xml-apis-ext/debian/../../../../java/xml-apis-ext-1.4.01.jar