尽管立即从delay_jobs表中消失了，延迟的作业仍未执行 [英] Delayed job not executed despite disappearing from delayed_jobs table immediately

问题描述

我在指令之后执行了我的Rails应用程序中的延迟工作。

I implemented a delayed job in my Rails application, following the instructions.

1. 我启动Rails应用程序


2. 我单击一个启动延迟工作的链接


3. 该作业在数据库的 delayed_jobs 表中可见


4. 我运行 rakejobs：work


5. 工作从桌子上消失了，所以我想工作已经完成了


6. 但是问题： /tmp/job.log 尚未编写（作业应完成的工作）

1. I start the Rails app
2. I click on a link that launches the delayed job
3. The job is visible in the database's delayed_jobs table
4. I run rake jobs:work
5. The job disappears from the table, so I guess the job has been performed
6. BUT PROBLEM: /tmp/job.log has not been written (what the job should have done)

工作：

class CsvImportJob
  def perform
    File.open('/tmp/job.log', 'w') {|f| f.write("Hello") }
  end
end

通话：

job = CsvImportJob.new
job.delay.perform

日志中什么都没有。

rake jobs：work 终端说起始消息后没有任何内容：

Nothing in the logs.
The rake jobs:work terminal says nothing after its start message:

[Worker(host:nico pid:25453)] Starting job worker

当我启动工作而 rake job：work 是

相反，当执行 hello .delay.length 行时，delay_jobs对其进行处理并出现消息 String＃length在0.0556后完成-以3.6912 j / s的速度处理1个作业，失败0个。

In contrast, when the line "hello".delay.length is executed, delayed_jobs processes it and a message String#length completed after 0.0556 - 1 jobs processed at 3.6912 j/s, 0 failed does appear.

推荐答案

请参见 https：// github.com/collectiveidea/delayed_job/wiki/Common-problems#wiki-un

See https://github.com/collectiveidea/delayed_job/wiki/Common-problems#wiki-undefined_method_xxx_for_class in documentation.

即使延迟工作的作者也不知道原因。它在某种程度上取决于您所运行的Web服务器。尝试Wiki的建议。

Even delayed_job author don't know the reason. It somehow depends on the webserver you run in on. Try the wiki's recommendation.

另请参见 delayed_job：NoMethodError

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