Similar to templating or workflow logging for which we change the log4j under
/opt/iw/iw-home/TeamSite/local/config/lib/content_center/customer_src/etc/conf/customer/log4j.xml
I wanted to configure the OOTB logging for the java files that we call in our externals in components.
which log4j, I need to configure so that my external java file logging can be logged in to /opt/iw/iw-logs/sitepublisher_custom.log