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I have a Person object with a lastName field. The lastName field cannot be blank. When the user submits a form blank value in the lastName field, the error message that the user sees is:
Property [lastName] of class [com.example.Person] cannot be blank
This error message is lame. I want to customize it to something more user friendly, like “The Last Name field cannot be blank”
How do I do that?
See Chapter 7 of the docs: http://grails.org/doc/latest/
You would change
grails-app/i18n/messages.propertiesand add