/usr/share/maven-repo/org/apache/avalon/avalon-framework/debian/avalon-framework-debian.jar is in libavalon-framework-java 4.2.0-9.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/org/apache/avalon/avalon-framework/debian/../../../../../../java/avalon-framework-4.2.0.jar