This marketplace package can be installed on Nuxeo 10.10 or LTS2021 (just relax the constraint). It brings nothing else, just replaces the existing log4j jars in your $Nuxeo/lib with the ones in 2.17.0
To build:
mvn package
To install
./nuxeoctl mp-install $YOUR_PATH_HERE/upgrade-log4j/upgrade-log4j-package/target/upgrade-log4j-package-1.0-SNAPSHOT.zip