in isis.properties you'll find: isis.reflector.validator.allowDeprecated=false
change that to true. Or, replace the deprecated @ObjectType annotation with @DomainObject(objectType=...) HTH Dan On 11 March 2016 at 17:22, Angel Manuel Barrera Lugo < angel.barr...@sisorg.com.mx> wrote: > Hello > > Again with some troubles with the Petclinic tutorial (simple) > i have done everything in the tutorial and everything runs perfect but at > the very end "2.14. Add pet’s Owner" after i made the changes and adds > (owner) when running the app i got this message: > > > The application failed to start due to a number of metamodel validation > errors. > dom.owners.Owner: annotation 'ObjectType' is deprecated > > first i try to include > @SuppressWarnings("deprecation") > in both: Owner.java and Pet.java (where i can see the use of ObjectType) > but that makes no difference. > > After that i simply delete/comment those lines: > > @ObjectType("OWNER") > And > @ObjectType("PET") > > And then i get another message error: > > 11:15:49,957 [FixturesInstallerDelegate main ERROR] installing > fixture fixture.pets.scenario.PetsFixture failed; > aborting > java.lang.NullPointerException > at fixture.pets.objects.PetAbstract.findOwner(PetAbstract.java:45) > at fixture.pets.objects.PetForSkye.execute(PetForSkye.java:32) >