Can you plz provide more information how you are using your logger and appenders for yr case.
Plese print yr full stack trace.
ALso show how you are refrencinyg yr appenders with logger in log4j.xml.
ALso set debug=true in the line blow in log4j.xml file under conf rea. And restart tha app server and se what you get in log files.
<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/" debug="false">