Mauricio Salatino [http://community.jboss.org/people/salaboy21] created the discussion "Re: jBPM 5.2 setup on Jboss7.1b error" To view the discussion, visit: http://community.jboss.org/message/643956#643956 -------------------------------------------------------------- It's using the org.hibernate.annotations.CollectionOfElements; annotation. + @JoinTable(name = "EventTypes", joinColumns = @JoinColumn(name = "InstanceId")) You should read how that annotation gets mapped into oracle.. probably that's where the solution is.. I'm pretty sure that someone else already write about that. Cheers -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/643956#643956] Start a new discussion in jBPM at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&...]