相关疑难解决方法(0)

我正在尝试按照Railscast#360中的描述实现omniauth-facebook,并遇到了相当大的障碍.当我点击登录链接时,我得到了所需的弹出窗口,要求我输入我的facebook凭据,但是当我提交时,我得到一个OmniAuth :: Strategies :: OAuth2 :: CallbackError错误.在apache日志中,打印出来:(facebook)身份验证失败!invalid_credentials:OmniAuth :: Strategies :: OAuth2 :: CallbackError,OmniAuth :: Strategies :: OAuth2 :: CallbackError

这是相关代码:

omn​​iauth.rb

OmniAuth.config.logger = Rails.logger

Rails.application.config.middleware.use OmniAuth::Builder do
  provider :facebook, ENV['FACEBOOK_APP_ID'], ENV['FACEBOOK_SECRET']
end

sessions_controller.rb

class SessionsController < ApplicationController
  def create
    user = User.from_omniauth(env["omniauth.auth"])
    session[:user_id] = user.id
    redirect_to root_url
  end

  def destroy
    session[:user_id] = nil
    redirect_to root_url
  end
end

application.html.erb

<div id="fb-root"></div>
<script>        
window.fbAsyncInit = function() {
    FB.init({
        appId      : '(**my app id**)', // App ID
        status     : true, // check login …