משרה נכשלת: undefined method `cancel_scheduled_job' for Jobs::Jobs:Module

merefield · 26 במאי,‏ 2022,‏ 9:07am

during Jobs::ProcessPost

I can recreate on command line:

whereas I can successfully reach it by:

Believe it might be related to this:

https://github.com/discourse/discourse/commit/bf6f8299a781922737fa01c408078f4c090885b6

Contains:

github.com/discourse/discourse

app/jobs/regular/process_post.rb

bf6f8299a


      
                end
              end
          
              # onebox may have added some links, so extract them now
              def extract_links(post)
                TopicLink.extract_from(post)
                QuotedPost.extract_from(post)
              end
          
              def enqueue_pull_hotlinked_images(post)
                Jobs.cancel_scheduled_job(:pull_hotlinked_images, post_id: post.id)
                Jobs.enqueue(:pull_hotlinked_images, post_id: post.id)
              end
            end
          
          end

In this context, could it require a leading ::?

david · 26 במאי,‏ 2022,‏ 11:35am

Hmm, adding a leading :: would certainly fix it… but it shouldn’t be required

Given that the call comes from within ::Jobs::ProcessPost, Ruby should work up the tree. First it’ll look for ::Jobs::ProcessPost::Jobs, then ::Jobs::Jobs, then eventually ::Jobs module.

The error you’re seeing suggests that something is defining ::Jobs::Jobs… which is weird! Taking a look on my development instance:

[1] pry(main)> Jobs::Jobs
=> Jobs::Jobs
[2] pry(main)> Jobs::Jobs.constants
=> [:RemapOldBotImages, :GrantBadges]

Looks like these lines in discourse-narrative-bot are causing issues. If I comment them out, it solves the problem.

github.com/discourse/discourse

plugins/discourse-narrative-bot/plugin.rb

aabbc9e63


      
          if Rails.env == "development"
            # workaround, teach reloader to reload jobs
            # if we do not do this then
            #
            # 1. on reload rails goes and undefines Jobs::Base
            # 2. as a side effect this undefines Jobs::BotInput
            # 3. we have a post_edited hook that queues a job for bot input
            # 4. if you are not running sidekiq in dev every time you save a post it will trigger it
            # 5. but the constant can not be autoloaded
            Rails.configuration.autoload_paths << File.expand_path('../autoload', __FILE__)
          end

Good news is that it’s development-only - related to the file paths of the jobs mismatching the names of the modules. Here’s a PR to clean things up:

https://github.com/discourse/discourse/pull/16924

Thanks for the report @merefield

merefield · 26 במאי,‏ 2022,‏ 11:41am

Ah, yes, weird and explains why Production didn’t blow up!

Thanks for speedy response!!

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משרה נכשלת: undefined method `cancel_scheduled_job' for Jobs::Jobs:Module

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