trydc.add(Expression.eq("user",user));
dc.setFetchMode("expoPersonSet",FetchMode.JOIN);
dc.setFetchMode("expoPersonSet.expo",FetchMode.JOIN);
dc.add(Expression.eq("expoPersonSet.expo",expo));
dc.setFetchMode("expoPersonSet",FetchMode.JOIN);
dc.setFetchMode("expoPersonSet.expo",FetchMode.JOIN);
dc.add(Expression.eq("expoPersonSet.expo",expo));
Error, message = could not resolve property: expoPersonSet.expo of: org.caexpo.expo.model.TPerson