"grdzeli_kaci" wrote : | how log4j do it ? | | You mean how are the changes to log4j.xml (or jboss-log4j.xml) in the conf folder of JBoss being noticed when the server is running? It's actually not Log4j which does that. JBoss creates a java.util.TimerTask which periodically checks the lastUpdateTime of the file and invokes the appropriate APIs in case of any changes to that file. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4152085#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...