delayed_job_active_record不會執行延遲代碼

我正在使用delayed_job_active_record寶石。我想延遲對外部API的請求。即使我的作業被添加到數據庫中，並且rake jobs:work將其運行並將其從數據庫中刪除，但從我的messages_controller.rb實際延遲的代碼永遠不會執行。delayed_job_active_record不會執行延遲代碼

如果我如果從控制器方法中刪除.delay，則代碼按預期執行，我的測試全部通過。

# messages_controller.rb 
require 'zendesk' 

class MessagesController < ApplicationController 
    layout "application" 

    # /suport/contact-us 
    def contact_us 
    zendesk = MyApp::Zendesk.new 
    zendesk.delay.create_support_ticket(params[:message]) 

    # render page 
    respond_to do |format| 
     flash[:notice] = "Email sent successfully!" if @sent 
     format.html { render "pages/support/contact-us" } 
    end 
    end 
end 

# zendesk.rb 
require 'zendesk_api' 

module MyApp 
    class Zendesk 
    attr_accessor :client 

    def initialize(*args) 
     @client = create_client 
    end 

    # contact-us ticket methods 
    def create_support_ticket(params={}) 
     unless params.blank? || @client.blank? 
     # get or create user_id for submitter 
     params[:requester_id] = check_user_exists(params) 

     begin 
      ticket = @client.tickets.create(
      subject: "Support Ticket", 
      comment: { value: params[:message] }, 
      submitter_id: params[:requester_id], 
      requester_id: params[:requester_id], 
      assignee_id: 201578811, 
      status: "new", 
      fields: [ 
       {id: 20887016, value: "Support"}, 
       {id: 20966436, value: "New"}]) 
      return ticket 
     rescue => e 
      Airbrake.notify e 
     end 
     else 
     return false 
     end 
    end 
    end 
end

* UPDATE * 我試圖啓動我的Rails服務器沒有工人運行，並通過Delayed::Job.last.invoke_job手動調用作業時，我看到這個錯誤：

Delayed::DeserializationError: Job failed to load: undefined class/module MyApp::. Handler: "--- !ruby/object:Delayed::PerformableMethod\nobject: !ruby/object:MyApp::Zendesk\n client: !ruby/object:ZendeskAPI::Client\n config: !ruby/object:ZendeskAPI::Configuration\n  client_options: {}\n  cache: !ruby/object:ZendeskAPI::LRUCache\n  size: 1000\n  store: {}\n  lru: []\n  url: https://REDACTED/api/v2\n  username: REDACTED\n  password: REDACTED  retry: true\n  logger: !ruby/object:Logger\n  progname: \n  level: 0\n  default_formatter: !ruby/object:Logger::Formatter\n   datetime_format: \n  formatter: \n  logdev: !ruby/object:Logger::LogDevice\n   shift_size: \n   shift_age: \n   filename: \n   dev: !ruby/object:IO {}\n   mutex: !ruby/object:Logger::LogDevice::LogDeviceMutex\n   mon_owner: \n   mon_count: 0\n   mon_mutex: !ruby/object:Mutex {}\n callbacks:\n - !ruby/object:Proc {}\n resource_cache: {}\nmethod_name: :create_support_ticket\nargs:\n- !ruby/hash:ActionController::Parameters\n name: ben\n email: [email protected]\n reason: General\n message: test\n" 
     from /vendor/bundler/gems/delayed_job-4.0.0/lib/delayed/backend/base.rb:97:in `rescue in payload_object'

我嘗試添加require 'zendesk'到一個config/initializers/custom.rb，但錯誤仍然存在。

來源

2013-12-22 professormeowingtons

我想你的create_client方法正在實例化Api對象。由於延遲作業運行的過程是異步的，因此很可能Api實例無效。

也就是說，你應該在create_support_ticket中創建一個新的Zendesk Api實例。如

def create_support_ticket(params={}) 
    @client = create_client 
    unless params.blank? || @client.blank? 
    ... 
end

來源

2013-12-22 08:27:07 swapab

我發佈了一個更新的問題，但我認爲你是正確的，這也會是一個問題。 – professormeowingtons

'模塊MyApp'駐留在單獨的.rb文件中嗎？如果沒有，你應該在/lib/my_app.rb中創建它，並且需要lib在application.rb – swapab

是的，'module MyApp'在'/ lib/my_app.rb'中，'lib'已經用'config自動加載.autoload_paths + =％W（＃{config.root}/lib）'in'application.rb' – professormeowingtons

delayed_job_active_record不會執行延遲代碼

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