1. aspect folder should be placed in c:\Java directory 2. Due to memory problem, please upload all advices and specification fo case studies to prevent getting out of memory error 3. The Aspect Service is developed under the apache-tomcat-7.0.37 version, so please update the hibernate jar files if you use default YAWL in lower apache-tomcat versions. 4. add a new service in yawl for aspectService. Write 'Proceed' as description. (read YAWL Manual to see how you can add a service to yawl)