Martin Pradny [http://community.jboss.org/people/mpradny] replied to the discussion "Empty string process variable on Oracle 9i" To view the discussion, visit: http://community.jboss.org/message/539390#539390 -------------------------------------------------------------- Thanks, I solved the issue by adding null check in org.jbpm.pvm.internal.type.variable.StringVariable. Now I can't have null String variables, but I don't use them anyway. M. -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/539390#539390] Start a new discussion in jBPM at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&...]