Enable trace debugging for Lucee

I’m trying to enable trace level debugging for the lucee.runtime.osgi.EnvClassLoader class, but I’m not sure how I need to do this now that Lucee migrated to log4j v2.

Setting the log levels in the Server context admin do not appear to have any affect.

How can I enable logging so I can see what’s happening in the lucee.runtime.osgi.EnvClassLoader class?

Thanks!