Found the solution for Tomcat stand-alone on
http://www.ftponline.com/javapro/2003_03/online/perl_teden_03_18_03/default_pf.aspx# -- Thx to Timothy Eden
For JBoss : apply the same stuff into the jbossweb-tomcat41.sar
Same problem faced by Me.
Did u find the solution,share to me also .
(i.e Log Format is not supported in AWSTAT for jboss log file )
please guide me if u know .