/usr/share/maven-repo/org/apache/maven/plugin-tools/maven-plugin-tools-javadoc/debian/maven-plugin-tools-javadoc-debian.jar is in libmaven-plugin-tools-java 3.5-6.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/org/apache/maven/plugin-tools/maven-plugin-tools-javadoc/debian/../../../../../../../java/maven-plugin-tools-javadoc.jar