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我有一个运行 Ruby 2.0 的本地机器上的开发模式下完美运行的 rails 4 应用程序。

我最近部署到 Heroku（我对此知之甚少），但我相信这是相同的环境 - 尽管我不知道如何检查。

在任何情况下——它在 Heroku 上也几乎完美地运行，除了一个失败的重定向。（这是 Agile Web Development with Rails 4 中描述的 depot 应用程序）

用户在 example.com/orders/new 下订单后？- 他们被带到 example.com/orders 上的 rails“出了点问题”页面，而不是被重定向到商店主页 url

订单仍然被保存并且可以从管理面板中查看 - 但用户永远不会像在我的本地机器上那样被带回家。有任何想法吗？

订单控制器

class OrdersController < ApplicationController
  skip_before_action :authorize, only: [:new, :create]

  include CurrentCart
  before_action :set_cart, only: [:new, :create]
  before_action :set_order, only: [:show, :edit, :update, :destroy]

  # GET /orders
  # GET /orders.json
  def index
    @orders = Order.all
  end

  # GET /orders/1
  # GET /orders/1.json
  def show
  end

  # GET /orders/new
  def new
    if @cart.line_items.empty?
      redirect_to store_url, notice: "Your cart is empty"
      return
    end

    @order = Order.new
  end

  # GET /orders/1/edit
  def edit
  end

  # POST /orders
  # POST /orders.json
  def create
    @order = Order.new(order_params)
    @order.add_line_items_from_cart(@cart)

    respond_to do |format|
      if @order.save
        Cart.destroy(session[:cart_id])
        session[:cart_id] = nil
        OrderNotifier.received(@order).deliver
        format.html { redirect_to store_url, notice:
          'Thank you for your order.' }
        format.json { render action: 'show', status: :created, location: @order }
      else
        format.html { render action: 'new' }
        format.json { render json: @order.errors, status: :unprocessable_entity }
      end
    end
  end

  # PATCH/PUT /orders/1
  # PATCH/PUT /orders/1.json
  def update
    respond_to do |format|
      if @order.update(order_params)
        format.html { redirect_to @order, notice: 'Order was successfully updated.' }
        format.json { head :no_content }
      else
        format.html { render action: 'edit' }
        format.json { render json: @order.errors, status: :unprocessable_entity }
      end
    end
  end

  # DELETE /orders/1
  # DELETE /orders/1.json
  def destroy
    @order.destroy
    respond_to do |format|
      format.html { redirect_to orders_url }
      format.json { head :no_content }
    end
  end

  private
    # Use callbacks to share common setup or constraints between actions.
    def set_order
      @order = Order.find(params[:id])
    end

    # Never trust parameters from the scary internet, only allow the white list through.
    def order_params
      params.require(:order).permit(:name, :notes, :email, :location)
    end
end

编辑 2 （为生产添加邮件配置解决了我的问题 - 但邮件仍未送达） production.rb

config.action_mailer.raise_delivery_errors = false
  config.action_mailer.delivery_method       = :smtp
  config.action_mailer.smtp_settings         = {
    address:        "smtp.gmail.com",
    port:           587,
    domain:         "gmail.com",
    authentication: "plain",
    user_name:      "my_email_address@gmail.com",
    password:       "my_password",
    enable_starttls_auto: true
  }
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