Nenad Popovic [http://community.jboss.org/people/neshap] replied to the discussion "ClassCastException" To view the discussion, visit: http://community.jboss.org/message/536507#536507 -------------------------------------------------------------- Hi ricardo, Huisheng Xu is right, check for classloading. Can you provide more information about how do you load ProcessEngine or scenario in which error occurs? -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/536507#536507] Start a new discussion in jBPM at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&...]