Alejandro Guizar [http://community.jboss.org/people/alex.guizar%40jboss.com] replied to the discussion "Optimistic Locking at Join" To view the discussion, visit: http://community.jboss.org/message/547444#547444 -------------------------------------------------------------- Yes. We have to "foreport" the join solution from jBPM 3.2.9 (see https://jira.jboss.org/browse/JBPM-2790 JBPM-2790) to jBPM 4.4. For the time being, try setting the http://docs.jboss.com/jbpm/v4/userguide/html_single/#asynchronouscontinua... continue attribute to async or exclusive in the join activity in order to reduce the window of opportunity for a locking conflict. -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/547444#547444] Start a new discussion in jBPM at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&...]