/usr/share/maven-repo/io/netty/netty-resolver/ is in libnetty-java 1:4.1.7-4.
This file is owned by root:root, with mode 0o755.
..
/usr/share/maven-repo/io/netty/netty-resolver-dns/4.1.7.Final/
/usr/share/maven-repo/io/netty/netty-resolver-dns/4.1.7.Final/netty-resolver-dns-4.1.7.Final.jar
/usr/share/maven-repo/io/netty/netty-resolver-dns/4.1.7.Final/netty-resolver-dns-4.1.7.Final.pom
/usr/share/maven-repo/io/netty/netty-resolver-dns/debian/
/usr/share/maven-repo/io/netty/netty-resolver-dns/debian/netty-resolver-dns-debian.jar
/usr/share/maven-repo/io/netty/netty-resolver-dns/debian/netty-resolver-dns-debian.pom
/usr/share/maven-repo/io/netty/netty-resolver/4.1.7.Final/
/usr/share/maven-repo/io/netty/netty-resolver/4.1.7.Final/netty-resolver-4.1.7.Final.jar
/usr/share/maven-repo/io/netty/netty-resolver/4.1.7.Final/netty-resolver-4.1.7.Final.pom
/usr/share/maven-repo/io/netty/netty-resolver/debian/
/usr/share/maven-repo/io/netty/netty-resolver/debian/netty-resolver-debian.jar
/usr/share/maven-repo/io/netty/netty-resolver/debian/netty-resolver-debian.pom