It is a long shot but do you have a logging service in your jbpm.cfg.xml if not then nothing gets written in the JBPM_LOG (example below). Regards, Johan <jbpm-context> | <service name="persistence" factory="org.jbpm.persistence.db.DbPersistenceServiceFactory" /> | <service name="message" factory="org.jbpm.msg.db.DbMessageServiceFactory" /> | <service name="scheduler" factory="org.jbpm.scheduler.db.DbSchedulerServiceFactory" /> | <service name="logging" factory="org.jbpm.logging.db.DbLoggingServiceFactory" /> | <service name="authentication" factory="org.jbpm.security.authentication.DefaultAuthenticationServiceFactory" /> | </jbpm-context> View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4067719#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...