Mark Roy [http://community.jboss.org/people/markroy] replied to the discussion "NPE in Payload2XML.convert for console "instance data"" To view the discussion, visit: http://community.jboss.org/message/548513#548513 -------------------------------------------------------------- Does your process instance include a process variable that is a Hibernate object? I experienced this same problem when my Hibernate object included lazy-loaded references to other objects. -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/548513#548513] Start a new discussion in jBPM at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&...]