Davide - Can't see any differences between my code and the branch you created. I can't get it to retrieve the string values from my array of qtyContent objects. It just returns an empty array/list:

16:36:45,893 INFO [com.notifywell.controller.NOTiFYwellController] (default task-2) >>>>> NOTiFYwellController getAllFoodsCosmeticsMedicinesJSON .....
16:36:45,895 INFO [com.notifywell.ejb.FoodsCosmeticsMedicinesEJB] (default task-2) >>>>> getAllFoodsCosmeticsMedicinesJSON .....
16:36:45,905 INFO [com.notifywell.ejb.FoodsCosmeticsMedicinesEJB] (default task-2) >>>>> getAllFoodsCosmeticsMedicinesJSON foodsCosmeticsMedicinesList size = 1
16:36:45,905 INFO [com.notifywell.ejb.FoodsCosmeticsMedicinesEJB] (default task-2) >>>>> getAllFoodsCosmeticsMedicinesJSON id = 5aaa9d4097493b9d98fd7925
16:36:45,905 INFO [com.notifywell.ejb.FoodsCosmeticsMedicinesEJB] (default task-2) >>>>> getAllFoodsCosmeticsMedicinesJSON ean = 05052319711639
16:36:45,905 INFO [com.notifywell.ejb.FoodsCosmeticsMedicinesEJB] (default task-2) >>>>> getAllFoodsCosmeticsMedicinesJSON description = This is what it is .....
16:36:45,906 INFO [com.notifywell.ejb.FoodsCosmeticsMedicinesEJB] (default task-2) >>>>> getAllFoodsCosmeticsMedicinesJSON getQtyContentsList = []
16:36:45,906 INFO [com.notifywell.ejb.FoodsCosmeticsMedicinesEJB] (default task-2) >>>>> getAllFoodsCosmeticsMedicinesJSON getQtyContentsList size = 0
16:36:45,907 INFO [com.notifywell.ejb.FoodsCosmeticsMedicinesEJB] (default task-2) >>>>> getAllFoodsCosmeticsMedicinesJSON getProductCharacteristics getProductCharacteristics = yes
16:36:45,907 INFO [com.notifywell.ejb.FoodsCosmeticsMedicinesEJB] (default task-2) >>>>> getAllFoodsCosmeticsMedicinesJSON getLifestyleList = Lifestyle

Is there any debugging statemnets I can turn on like in JPA showSQL etc?