I saw this with older version of Log4j 2 as well, but now I'm using 2.4.1 on Java 7.
We are including all the log4j libraries in the Weblogic server startup classpath. Commons-logging 1.2 is included as well. All works fine using JndiRepositorySelector when log4j-jcl is not included. When that jar is included with the others, however, nothing gets logged. There are no errors. Any ideas what might be going on here? Thank you.