grails no me ama

/** BOOTSTRAP **/
import org.lazycoders.tuingular.User
import org.lazycoders.tuingular.Message

class BootStrap {
   def init = { servletContext ->
      User u = new User(login:'laparca', passwd:'laparca', name:'I am Laparca', email:'samrs65@gmail.com')
      u.addToMessages(new Message(text: "ola k ase", wrote_in: new Date()))
      u.addToMessages(new Message(text: "perrea perrea", wrote_in: new Date()))
      u.addToMessages(new Message(text: "grasias de antebraso", wrote_in: new Date()))
      u.addToMessages(new Message(text: "ains", wrote_in: new Date()))
      u.save(failOnError: true)
   }

   def destroy = {
   }
}


/** El cabrón que me está jodiendo **/
package org.lazycoders.tuingular

class MessageController {
        def list() {
        if (session.user) {
            User u = User.get(session.user.id)
            render(contentType: "text/json") {
                result = 'OK'
                messages = [
                {
                    for(def m in u.messages) {
                        id = m.id
                        text = m.text
                    }
                }
                ]
            }

        }
        else {
            render(contentType: "text/json") {
                result = 'FAIL'
                reason = 'No user'
            }
        }
    }
}