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Delayed job wont start using Capistrano

开发者 https://www.devze.com 2023-01-26 14:48 出处:网络
I cannot start delayed job process using a capistrano recipe. Here\'s the error I am getting. /usr/local/lib/ruby/gems/1.9.1/gems/delayed_job-2.1.1/lib/delayed/command.rb:62:in `mkdir\': File exists

I cannot start delayed job process using a capistrano recipe. Here's the error I am getting.

/usr/local/lib/ruby/gems/1.9.1/gems/delayed_job-2.1.1/lib/delayed/command.rb:62:in `mkdir': File exists - /my_app/server/releases/20101120001612/tmp/pids (Errno::EEXIST)

Here's the capistrano code (NOTE-: I have tried bot开发者_开发知识库h start/restart commands)

after "deploy:restart", "delayed_job:start"
task :start, :roles => :app do          
  run "cd #{current_path}; RAILS_ENV=#{rails_env} script/delayed_job -n 2 start"
end

More detail errors from deployment logs -

executing command
 [err :: my_server] /usr/local/lib/ruby/gems/1.9.1/gems/delayed_job-2.1.1/lib/delayed/command.rb:62:in `mkdir': File exists - /my_app/server/releases/20101120001612/tmp/pids (Errno::EEXIST)
 [err :: my_server] from /usr/local/lib/ruby/gems/1.9.1/gems/delayed_job-2.1.1/lib/delayed/command.rb:62:in `daemonize'
 [err :: my_server] from script/delayed_job:5:in `<main>'
    command finished
failed: "sh -c 'cd /my_app/server/current; RAILS_ENV=production script/delayed_job -n 3 restart'" on myserevr

This is a Rails 3 app (v3.0.3)


Seeing the same problem.

It turns out I was missing the ~/apps/application_name/shared/pids directory.

Finally creating it made this problem go away.

No need to set up custom dj_pids directory.


I also got this error and found a couple of issues:

  • Ensure you have a shared/pids folder.
  • Ensure you have the correct hooks setup

Your deploy.rb script should contain:

require "delayed/recipes"

after "deploy:stop", "delayed_job:stop"
after "deploy:start", "delayed_job:start"
after "deploy:restart", "delayed_job:restart"

I'd copied the hooks from an old post and they appear to be incorrect now. These are from the actual delayed_job recipe file comments.

I believe cap deploy:setup should create the pids folder but I set things up a different way and it was not created. app/current/tmp/pids links to app/shared/pids and this was causing the false directory exists error.


This is how I fixed the issue, I passed an explicit pids dir parameter using "--pid-dir". Not sure if this is perfect, but it worked.

task :restart, :roles => :app do
  run "cd #{current_path}; RAILS_ENV=#{rails_env} script/delayed_job -n #{dj_proc_count} --pid-dir=#{app_root}/shared/dj_pids restart"
end


Add the creation of this directory before

after "deploy:restart", "delayed_job:start"
task :start, :roles => :app do  
  run "mkdir #{current_path}/tmp/pids"
  run "cd #{current_path}; RAILS_ENV=#{rails_env} script/delayed_job -n 2 start"
end


I had the same issue. Turned out that there was an existing

application_name/shared/pids/delayed_job.main.pid

file, which had incorrect owner permissions, which was causing the deployment to fail. Fixing this file's permissions solved the issue for me.


Since the creation of the directories is cheap and fast, use the following callback:

before 'deploy', 'deploy:setup'

This will ensure that structure is always there before each deploy.

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