jbpm uses commonslogging (so log4j or jdk logging, depends on that is configured). So look at that somewhere View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4057290#4057290 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4057290