Hi,
are you looking for this: JBossWS - Log4j? Btw. as of AS 4.x and 5.x, you can find jboss-log4j.xml in
<jboss-dir>/server/<config-dir>/conf
directory. As of AS 6, the file
<jboss-dir>/server/<config-dir>/deploy/jboss-logging.xml
can be used similarly.
I hope it helped.