/usr/share/maven-repo/org/codehaus/modello/modello-plugin-xsd/debian/modello-plugin-xsd-debian.jar is in libmodello-java 1.1-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/org/codehaus/modello/modello-plugin-xsd/debian/../../../../../../java/modello-plugin-xsd-1.1.jar