Problem solved: One of the webapps deployed on that JBoss installation was doing something insane to the logging system and stopped it from logging anything. It would be ideal if there were some mechanism that would block webapps from misbehaving like that. Anyway, that was the problem. The offending app was the Claros email system. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4002585#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...