/usr/share/maven-repo/io/netty/ is in libnetty-tcnative-java 1.1.33.Fork26-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/maven-repo/io/netty/netty-tcnative/
/usr/share/maven-repo/io/netty/netty-tcnative-parent/
/usr/share/maven-repo/io/netty/netty-tcnative-parent/1.1.33.Fork26/
/usr/share/maven-repo/io/netty/netty-tcnative-parent/1.1.33.Fork26/netty-tcnative-parent-1.1.33.Fork26.pom
/usr/share/maven-repo/io/netty/netty-tcnative-parent/debian/
/usr/share/maven-repo/io/netty/netty-tcnative-parent/debian/netty-tcnative-parent-debian.pom
/usr/share/maven-repo/io/netty/netty-tcnative/1.1.33.Fork26/
/usr/share/maven-repo/io/netty/netty-tcnative/1.1.33.Fork26/netty-tcnative-1.1.33.Fork26.jar
/usr/share/maven-repo/io/netty/netty-tcnative/1.1.33.Fork26/netty-tcnative-1.1.33.Fork26.pom
/usr/share/maven-repo/io/netty/netty-tcnative/debian/
/usr/share/maven-repo/io/netty/netty-tcnative/debian/netty-tcnative-debian.jar
/usr/share/maven-repo/io/netty/netty-tcnative/debian/netty-tcnative-debian.pom