log4j.xml in ur <JBOSS_DIST>/server//conf directory. Set the THrESHOLD to INFO .
I've put all Threshold on INFO in my log4j.xml, but it doesn't resolve my problem :
server/default/conf$ grep -i Threshold log4j.xml
<!-- Decrease the priority threshold for the org.jboss.varia category
I've used the log4j.xml of the jboss3.0.6 instead of the log4j.xml of the jboss3.2.1 and it's ok now.