2017-01-24 16:43:50,509 WARN grails.util.GrailsUtil - [WARNING] Property [markDeleteAttachments] of domain class grails.plugin.asyncmail.AsynchronousMailMessage has type [boolean] and doesn't support constraint [nullable]. This constraint will not be checked during validation.
2017-01-24 16:43:50,509 WARN grails.util.GrailsUtil - [WARNING] Property [markDeleteAttachments] of domain class grails.plugin.asyncmail.AsynchronousMailMessage has type [boolean] and doesn't support constraint [nullable]. This constraint will not be checked during validation.