update to Grails-3.0.3, to test if it works when deployed at Heroku (with 3.0.1 it works and with 3.0.4 not)
update to Grails-3.0.3, to test if it works when deployed at Heroku (with 3.0.1 it works and with 3.0.4 not)

smartiniOnGitHub/grails3-example