Esteban Aliverti [http://community.jboss.org/people/eaa] created the discussion "Re: Getting an IOException when trying to use Persistence" To view the discussion, visit: http://community.jboss.org/message/625081#625081 -------------------------------------------------------------- Exactly! Try to make all model Classes Serializable. -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/625081#625081] Start a new discussion in jBPM at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&...]