When doing
or
and you get the error
then you might forgotten to put a messages.properties file in i18n directory (even if you do not use grails i18n)
grails war
or
grails run-war
and you get the error
WAR packaging error: \foo\bar\resources\grails-app does not exist
then you might forgotten to put a messages.properties file in i18n directory (even if you do not use grails i18n)