根据Michael Hartl的帐户激活教程（第11章），在部署到Heroku并创建新用户时，我得到“我们很抱歉，但出了点问题。”消息。用户在数据库中创建，但电子邮件不会被发送，因此无法激活帐户。
我不知道为什么，但在收到“我们很抱歉......”错误时，浏览器会向我显示“ herokuapp.com/users ”地址，当控制器说重定向到root。
这里是用户控制器：
class UsersController < ApplicationController
before_action :logged_in_user, only: [:index, :edit, :update, :destroy]
before_action :correct_user, only: [:edit, :update]
before_action :admin_user, only: :destroy
def index
@users = User.where(activated: true).paginate(page: params[:page])
end
def show
@user = User.find(params[:id])
redirect_to root_url and return unless @user.activated?
end
def new
@user = User.new
end
def create
@user = User.new(user_params)
if @user.save
@user.send_activation_email
flash[:info] = "Please check your email to activate your account."
redirect_to root_url
else
render 'new'
end
end
def edit
@user = User.find(params[:id])
end
def update
@user = User.find(params[:id])
if @user.update_attributes(user_params)
flash[:success] = "Profile updated!"
redirect_to @user
else
render 'edit'
end
end
def destroy
User.find(params[:id]).destroy
flash[:success] = "User deleted!"
redirect_to users_url
end
private
def user_params
params.require(:user).permit(:name, :email, :password,
:password_confirmation)
end
# Before filters
# Confirms a logged-in user.
def logged_in_user
unless logged_in?
store_location
flash[:danger] = "Please log in"
redirect_to login_url
end
end
# Confirms the correct user.
def correct_user
@user = User.find(params[:id])
redirect_to(root_url) unless current_user?(@user)
end
# Confirms an admin user.
def admin_user
redirect_to(root_url) unless current_user.admin?
end
end
和型号：
class User < ActiveRecord::Base
attr_accessor :remember_token, :activation_token
before_save :downcase_email
before_create :create_activation_digest
# Validates presence and lenght for the user name
validates :name, presence: true,
length: { maximum: 50 }
# Validates presence, length, format and uniqueness for user email
VALID_EMAIL_REGEX = /\A[\w+\-.]+@[a-z\d\-.]+\.[a-z]+\z/i
validates :email, presence: true,
length: { maximum: 255 },
format: { with: VALID_EMAIL_REGEX },
uniqueness: { case_sensitive: false }
# User has a secure password (password_digest), length and presence
has_secure_password
validates :password, presence: true,
length: { minimum: 6 },
allow_nil: true
# VALID_PASSWORD_REGEX = "((?=.*\\d)(?=.*[a-z]).{6,20})"
# validates :password, format: { with: VALID_PASSWORD_REGEX }
# Returns the hash digest of the given string. (only for tests)
def User.digest(string)
cost = ActiveModel::SecurePassword.min_cost ? BCrypt::Engine::MIN_COST :
BCrypt::Engine.cost
BCrypt::Password.create(string, cost: cost)
end
# FOR REMEMBER ME
# Returns a random token for safe "remember me".
def User.new_token
SecureRandom.urlsafe_base64
end
# Remembers a user in the database for use in persistent sessions.
def remember
self.remember_token = User.new_token
update_attribute(:remember_digest, User.digest(remember_token))
end
# Returns true if the given token matches the digest.
def authenticated?(attribute, token)
digest = send("#{attribute}_digest")
return false if digest.nil?
BCrypt::Password.new(digest).is_password?(token)
end
# Forgets a user.
def forget
update_attribute(:remember_digest, nil)
end
# Activates an account.
def activate
update_columns(activated: true, activated_at: Time.zone.now)
end
# Sends activation email.
def send_activation_email
UserMailer.account_activation(self).deliver_now
end
private
# Converts email to all lower-case.
def downcase_email
self.email = email.downcase
end
# Creates and assigns the activation token and digest.
def create_activation_digest
self.activation_token = User.new_token
self.activation_digest = User.digest(activation_token)
end
end
应用程序和用户邮件：
class ApplicationMailer < ActionMailer::Base
default from: "noreply@example.com"
layout 'mailer'
end
-
class UserMailer < ApplicationMailer
def account_activation(user)
@user = user
mail to: @user.email, subject: "Account activation"
end
end
Production.rb
Rails.application.configure do
config.cache_classes = true
config.eager_load = true
config.consider_all_requests_local = false
config.action_controller.perform_caching = true
config.public_file_server.enabled = true
config.assets.js_compressor = :uglifier
config.assets.compile = false
config.assets.digest = true
config.force_ssl = true
config.log_level = :debug
config.action_mailer.raise_delivery_errors = true
config.action_mailer.delivery_method = :smtp
host = 'whispering-spire-86793.herokuapp.com'
config.action_mailer.default_url_options = { host: host }
ActionMailer::Base.smtp_settings = {
:address => 'smtp.sendgrid.net',
:port => '587',
:authentication => :plain,
:user_name => ENV['SENDGRID_USERNAME'],
:password => ENV['SENDGRID_PASSWORD'],
:domain => 'heroku.com',
:enable_starttls_auto => true
}
config.i18n.fallbacks = true
config.active_support.deprecation = :notify
config.log_formatter = ::Logger::Formatter.new
config.active_record.dump_schema_after_migration = false
end
和heroku记录
2016-07-14T12:22:19.113508+00:00 app[web.1]: [3] Puma starting in cluster mode...
2016-07-14T12:22:19.113539+00:00 app[web.1]: [3] * Version 3.4.0 (ruby 2.2.4-p230), codename: Owl Bowl Brawl
2016-07-14T12:22:20.539342+00:00 app[web.1]: [3] * Listening on tcp://0.0.0.0:9375
2016-07-14T12:22:21.039497+00:00 heroku[web.1]: State changed from starting to up
2016-07-14T12:22:22.459846+00:00 heroku[router]: at=info method=POST path="/users" host=whispering-spire-86793.herokuapp.com request_id=7bff9a3c- 3151-48a4-87bc-ba207b1fa10e fwd="88.12.236.151" dyno=web.1 connect=0ms service=390ms status=500 bytes=1714
2016-07-14T12:22:22.684571+00:00 heroku[router]: at=info method=GET path="/favicon.ico" host=whispering-spire-86793.herokuapp.com request_id=afd1130c-9864-4650-a5c7-fccd8446039b fwd="88.12.236.151" dyno=web.1 connect=2ms service=2ms status=200 bytes=188
2016-07-14T12:22:23.912741+00:00 heroku[router]: at=info method=GET path="/favicon.ico" host=whispering-spire-86793.herokuapp.com request_id=62a47e7f-33c3-42b6-b700-2219cfa8ada1 fwd="88.12.236.151" dyno=web.1 connect=0ms service=3ms status=200 bytes=188
答案 0 :(得分：0)
我有同样的问题。由于一切都在开发中，我认为它一定是开发环境的一个问题。
所以我从Hartl的教程中复制并粘贴了文件config / environments / production.rb，从第11章列出了11.41。我第一次尝试时必须在该文件中输入错字，因为我的实时应用程序现在正在运行。
另外，请注意该行
config.action_mailer.raise_delivery_errors = false
已包含在文件中。但Hartl的代码包括
config.action_mailer.raise_delivery_errors = true
所以你需要删除“假”行。
为方便起见，完整代码为：
config.action_mailer.raise_delivery_errors = true
config.action_mailer.delivery_method = :smtp
host = '<your heroku app>.herokuapp.com'
config.action_mailer.default_url_options = { host: host }
ActionMailer::Base.smtp_settings = {
:address => 'smtp.sendgrid.net',
:port => '587',
:authentication => :plain,
:user_name => ENV['SENDGRID_USERNAME'],
:password => ENV['SENDGRID_PASSWORD'],
:domain => 'heroku.com',
:enable_starttls_auto => true
}