/usr/share/maven-repo/org/apache/maven/plugin-tools/maven-plugin-tools-generators/ is in libmaven-plugin-tools-java 3.5-6.
This file is owned by root:root, with mode 0o755.
..
/usr/share/maven-repo/org/apache/maven/plugin-tools/maven-plugin-tools-generators/3.5/
/usr/share/maven-repo/org/apache/maven/plugin-tools/maven-plugin-tools-generators/3.5/maven-plugin-tools-generators-3.5.jar
/usr/share/maven-repo/org/apache/maven/plugin-tools/maven-plugin-tools-generators/3.5/maven-plugin-tools-generators-3.5.pom
/usr/share/maven-repo/org/apache/maven/plugin-tools/maven-plugin-tools-generators/debian/
/usr/share/maven-repo/org/apache/maven/plugin-tools/maven-plugin-tools-generators/debian/maven-plugin-tools-generators-debian.jar
/usr/share/maven-repo/org/apache/maven/plugin-tools/maven-plugin-tools-generators/debian/maven-plugin-tools-generators-debian.pom