From: Jamie Wilkinson <email@example.com>
To: unicorn list <firstname.lastname@example.org>,
Subject: Re: Unicorn fails to restart gracefully on capistrano deploy
Date: Thu, 9 Sep 2010 17:19:35 -0700 [thread overview]
Message-ID: <94DA7535-598C-4C42-8D81-91D5A98183EF@tramchase.com> (raw)
On Sep 9, 2010, at 4:28 PM, Eirik Dentz Sinclair wrote:
> First off thanks very much for all the hard work on unicorn. Alas, we've encountered an issue where unicorn fails to spawn new workers that have loaded the incoming revision on a capistrano deploy. I'm not entirely sure the issue is due to unicorn as it appears that bundler was responsible for a similar issue in the past: http://github.com/carlhuda/bundler/issues/issue/259/#comment_180830
> But presumably bundler has corrected that issue and any help in sorting out the issue would be greatly appreciated.
> The deployed versioned directory is 20100830230613
> The incoming versioned directory is 20100902192111
I think I may have run into a potentially related bundler+unicorn+capistrano issue just today!
With bundler+unicorn the shell environment does not really get cleared between USR2 restarts/forkings, which was the cause of the aforementioned GitHub ticket... PATH/RUBYOPT would just get infinitely appended to by bundler, and unicorn is happy to let you do whatever with the environment
The bug I found today cropped up while upgrading from rails 2.3.8 to rails 2.3.9 -- on deploy the new unicorn master would die with "hey you've already loaded rails 2.3.8!". Weird.
Some quick debugging showed my BUNDLE_GEMFILE environment variable was referencing a Gemfile from a (very) old capistrano release.... I'm actively debugging it now. I'm also using preload_app=true which might have contributed.
Eirik, can you confirm any similar "old release" weirdnesses by dumping the ENV in your unicorn.rb's before_exec / before_fork?
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next prev parent reply other threads:[~2010-09-10 0:19 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-09 23:28 Unicorn fails to restart gracefully on capistrano deploy Eirik Dentz Sinclair
2010-09-10 0:19 ` Jamie Wilkinson [this message]
2010-09-10 1:16 ` Lawrence Pit
2010-09-15 6:40 Eirik Dentz Sinclair
2010-09-15 21:52 ` Eric Wong
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