延迟的工作耙任务失败 [英] Delayed Job Rake Task Failing

问题描述

我正试图推迟工作以完成一项繁重的任务，但是对于我一生来说，我无法弄清自己做错了什么。给定以下设置：

I'm trying to get delayed job to work as a rake task, but for the life of me I can't figure out what I'm doing wrong. Given the following setup:

#config/environment.rb
Rails::Initializer.run do |config|
  config.gem 'delayed_job'
end

#Rakefile
begin
    require 'delayed/tasks'
rescue LoadError
    STDERR.puts "Run `rake gems:install` to install delayed_job"
end

#Observer
class SomeObserver < ActiveRecord::Observer
   def foo(bar)
   end
   handle_asynchronously :foo
end

每当我运行rake作业时：清除我会收到以下错误：

Whenever I run rake jobs:clear I get the following error:

undefined method `handle_asynchronously' for SomeObserver:Class

即使在运行测试时没有出现此错误案件或直接。有想法吗？

Even though I don't get this error when I'm running the test cases or it directly. Any ideas?

推荐答案

DelayedJob在 handle_asynchronously > Delayed :: MessageSending :: ClassMethods 。 DelayedJob自动将该模块猴子修补到其 lib / delayed_job.rb 中的 Module 中。您可能会在Rake任务中有更好的要求：

DelayedJob defines handle_asynchronously in Delayed::MessageSending::ClassMethods. DelayedJob automatically monkey-patches that module into Module in its lib/delayed_job.rb. You'll likely have better luck requiring that in your Rake task:

#Rakefile
begin
  require 'delayed_job'
  require 'delayed/tasks'
rescue LoadError
  STDERR.puts "Run `rake gems:install` to install delayed_job"
end

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