未定義的方法`拆分'爲零：NilClass發送郵件時，在分期上

Question

未定義的方法`拆分'爲零：NilClass發送郵件時，在分段上。

NoMethodError：未定義的方法`分裂」的零：NilClass

有沒有人經歷過這樣的錯誤？在開發環境中，字母完美

21 File "/var/www/vectoring-staging/releases/20140505020949/app/models/feedback.rb" line 11 in deliver 
22 File "/var/www/vectoring-staging/releases/20140505020949/app/controllers/feedbacks_controller.rb" line 4 in "createp/controllers/feedbacks_controller.rb" line 4 in create 

class FeedbacksController < ApplicationController 
    def create 
    @feedback = Feedback.new(params[:feedback]) 
    @feedback.deliver if @feedback.valid? 
    end 
end 

class Feedback 
    include ActiveModel::Model 

    attr_accessor :email, :message 
    attr_writer :subject 

    validates :message, presence: true, allow_blank: false 
    validates_format_of :email, with: /\A([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})\Z/i, allow_blank: true 

    def deliver 
    FeedbackMailer.new_feedback(self).deliver 
    end 

    def subject 
    @subject = 'A new feedback' if @subject.blank? 
    @subject 
    end 
end 

class FeedbackMailer < ActionMailer::Base 
    layout 'email' 

    def new_feedback(feedback) 
    @message = feedback.message 
    mail(to: APP_CONFIG.feedback['to_send'], subject: feedback.subject, reply_to: feedback.email) 
    end 
end 

Answer 1

檢查電子郵件中資產（即CSS）的路徑是否正確（和存在）。