我有一个 Rails 3 (Spree) 应用程序，我可以在开发中开始，但不能在生产中开始。
如果我运行bundle exec unicorn -c config/unicorn.rb -D -E development一切正常。
但是，bundle exec unicorn -c config/unicorn.rb -D -E production, 返回：
master failed to start, check stderr log for details
这是 unicorn.stder.log 文件：
I, [2012-06-04T17:31:54.497851 #10431] INFO -- : listening on addr=/tmp/unicorn-uspatriottactical.socket fd=5
I, [2012-06-04T17:31:54.499222 #10431] INFO -- : Refreshing Gem list
/var/rails/uspatriottactical/shared/bundle/ruby/1.9.1/gems/polyglot-0.3.3/lib/polyglot.rb:63:in `require': can't convert Pathname into String (TypeError)
from /var/rails/uspatriottactical/shared/bundle/ruby/1.9.1/gems/polyglot-0.3.3/lib/polyglot.rb:63:in `require'
from /var/rails/uspatriottactical/shared/bundle/ruby/1.9.1/gems/activesupport-3.2.3/lib/active_support/dependencies.rb:251:in `block in require'
from /var/rails/uspatriottactical/shared/bundle/ruby/1.9.1/gems/activesupport-3.2.3/lib/active_support/dependencies.rb:236:in `load_dependency'
from /var/rails/uspatriottactical/shared/bundle/ruby/1.9.1/gems/activesupport-3.2.3/lib/active_support/dependencies.rb:251:in `require'
from /var/rails/uspatriottactical/shared/bundle/ruby/1.9.1/gems/activesupport-3.2.3/lib/active_support/dependencies.rb:359:in `require_or_load'
from /var/rails/uspatriottactical/shared/bundle/ruby/1.9.1/gems/activesupport-3.2.3/lib/active_support/dependencies.rb:502:in `load_missing_constant'
from /var/rails/uspatriottactical/shared/bundle/ruby/1.9.1/gems/activesupport-3.2.3/lib/active_support/dependencies.rb:192:in `block in const_missing'
from /var/rails/uspatriottactical/shared/bundle/ruby/1.9.1/gems/activesupport-3.2.3/lib/active_support/dependencies.rb:190:in `each'
from /var/rails/uspatriottactical/shared/bundle/ruby/1.9.1/gems/activesupport-3.2.3/lib/active_support/dependencies.rb:190:in `const_missing'
from /var/rails/uspatriottactical/shared/bundle/ruby/1.9.1/bundler/gems/spree_related_products-72cbbfc9ed31/lib/spree_related_products.rb:17:in `block in <class:Engine>'
from /var/rails/uspatriottactical/shared/bundle/ruby/1.9.1/gems/railties-3.2.3/lib/rails/initializable.rb:30:in `instance_exec'
from /var/rails/uspatriottactical/shared/bundle/ruby/1.9.1/gems/railties-3.2.3/lib/rails/initializable.rb:30:in `run'
from /var/rails/uspatriottactical/shared/bundle/ruby/1.9.1/gems/railties-3.2.3/lib/rails/initializable.rb:55:in `block in run_initializers'
from /var/rails/uspatriottactical/shared/bundle/ruby/1.9.1/gems/railties-3.2.3/lib/rails/initializable.rb:54:in `each'
from /var/rails/uspatriottactical/shared/bundle/ruby/1.9.1/gems/railties-3.2.3/lib/rails/initializable.rb:54:in `run_initializers'
from /var/rails/uspatriottactical/shared/bundle/ruby/1.9.1/gems/railties-3.2.3/lib/rails/application.rb:136:in `initialize!'
from /var/rails/uspatriottactical/shared/bundle/ruby/1.9.1/gems/railties-3.2.3/lib/rails/railtie/configurable.rb:30:in `method_missing'
from /var/rails/uspatriottactical/releases/20120604171150/config/environment.rb:5:in `<top (required)>'
from config.ru:4:in `require'
from config.ru:4:in `block in <main>'
from /var/rails/uspatriottactical/shared/bundle/ruby/1.9.1/gems/rack-1.4.1/lib/rack/builder.rb:51:in `instance_eval'
from /var/rails/uspatriottactical/shared/bundle/ruby/1.9.1/gems/rack-1.4.1/lib/rack/builder.rb:51:in `initialize'
from config.ru:1:in `new'
from config.ru:1:in `<main>'
from /var/rails/uspatriottactical/shared/bundle/ruby/1.9.1/gems/unicorn-4.3.1/lib/unicorn.rb:44:in `eval'
from /var/rails/uspatriottactical/shared/bundle/ruby/1.9.1/gems/unicorn-4.3.1/lib/unicorn.rb:44:in `block in builder'
from /var/rails/uspatriottactical/shared/bundle/ruby/1.9.1/gems/unicorn-4.3.1/lib/unicorn/http_server.rb:696:in `call'
from /var/rails/uspatriottactical/shared/bundle/ruby/1.9.1/gems/unicorn-4.3.1/lib/unicorn/http_server.rb:696:in `build_app!'
from /var/rails/uspatriottactical/shared/bundle/ruby/1.9.1/gems/unicorn-4.3.1/lib/unicorn/http_server.rb:136:in `start'
from /var/rails/uspatriottactical/shared/bundle/ruby/1.9.1/gems/unicorn-4.3.1/bin/unicorn:121:in `<top (required)>'
from /var/rails/uspatriottactical/shared/bundle/ruby/1.9.1/bin/unicorn:23:in `load'
from /var/rails/uspatriottactical/shared/bundle/ruby/1.9.1/bin/unicorn:23:in `<main>'
因为这似乎是一个 gem 问题，所以这是我的 Gemfile：
source 'http://rubygems.org'
gem 'active_shipping', :git => 'git://github.com/Shopify/active_shipping.git'
gem 'carrierwave'
gem 'jquery-rails'
gem 'rails', '~> 3.2.0'
gem 'rmagick'
gem 'spree', :git => 'git://github.com/spree/spree', :branch => '1-1-stable'
gem 'spree_active_shipping', :git => 'git://github.com/spree/spree_active_shipping.git'
gem 'spree_flexi_variants', :git => 'git://github.com/jsqu99/spree_flexi_variants.git'
gem 'spree_reviews', :git => 'git://github.com/spree/spree_reviews.git'
gem 'spree_related_products', :git => 'git://github.com/spree/spree_related_products.git'
gem 'spree_shipworks_api', :path => 'spree_shipworks_api'
gem 'spree_amazon_fps', :path => 'spree_amazon_fps'
# gem 'spree_variant_options', :git => 'git://github.com/citrus/spree_variant_options.git'
gem 'spree_videos', :git => 'git://github.com/iloveitaly/Spree-Videos.git'
gem 'spree_gateway', :git => 'git://github.com/spree/spree_gateway.git'
gem 'spree_paypal_express', :git => 'git://github.com/spree/spree_paypal_express.git'
gem 'remit', :git => 'git://github.com/tylerhunt/remit.git'
#gem 'remit', :path => '../remit'
gem 'unicorn'
# temporary
gem 'sqlite3'
gem 'execjs'
gem 'therubyracer'
group :assets do
gem 'coffee-rails', '~> 3.2.0'
gem 'sass-rails', '~> 3.2.0'
gem 'uglifier', '>= 1.2.4'
end
group :console do
gem 'awesome_print', :require => 'ap'
gem 'hirb-unicode'
gem 'wirb'
end
group :development, :test do
gem 'capybara'
gem 'factory_girl_rails'
gem 'faker'
gem 'mysql2'
gem 'pry'
gem 'rspec-rails'
gem 'sunspot_rails', '~> 1.3.1'
gem 'progress_bar', '0.4.0'
gem 'sunspot_solr'
gem "sunspot_with_kaminari", '~> 0.1'
gem 'sqlite3'
gem 'debugger'
end
group :development do
# gem 'heroku'
gem 'pry-rails'
end
group :production do
gem 'capistrano'
gem 'rvm-capistrano'
gem 'mysql2'
gem 'sunspot_rails', '~> 1.3.1'
gem 'progress_bar', '0.4.0'
gem 'sunspot_solr'
gem "sunspot_with_kaminari", '~> 0.1'
end
# Used when running on Heroku
# group :deployment do
# gem 'foreman'
# gem 'pg'
# gem 'thin'
# end
group :test do
gem 'fakeweb'
# Pretty printed test output
gem 'turn', '~> 0.8.3', :require => false
gem 'vcr'
end
编辑：这是我的 unicorn.rb
# See http://unicorn.bogomips.org/Unicorn/Configurator.html for complete documentation.
www_dir = "/var/rails/"
app_name = "uspatriottactical"
# Set environment to development unless something else is specified
#env = ENV["RAILS_ENV"] || "production"
# amount of unicorn workers to spin up
worker_processes 2
# Socket to bind to
listen "/tmp/unicorn-#{app_name}.socket"
preload_app true
# restarts workers that hang for 30 seconds
timeout 30
pid "/tmp/unicorn.#{app_name}.pid"
#if env == "production"
user 'app_user', 'app_user' # 'user', 'group'
working_directory "#{www_dir}#{app_name}/current"
shared_path = "#{www_dir}#{app_name}/shared"
stderr_path "#{shared_path}/log/unicorn.stderr.log"
stdout_path "#{shared_path}/log/unicorn.stdout.log"
#end
before_fork do |server, worker|
# the following is highly recomended for Rails + "preload_app true"
# as there's no need for the master process to hold a connection
if defined?(ActiveRecord::Base)
ActiveRecord::Base.connection.disconnect!
end
# When sent a USR2, Unicorn will suffix its pidfile with .oldbin and
# immediately start loading up a new version of itself (loaded with a new
# version of our app). When this new Unicorn is completely loaded
# it will begin spawning workers. The first worker spawned will check to
# see if an .oldbin pidfile exists. If so, this means we've just booted up
# a new Unicorn and need to tell the old one that it can now die. To do so
# we send it a QUIT.
#
# This enables 0 downtime deploys.
old_pid = "/var/run/unicorn-#{app_name}.pid.oldbin"
if File.exists?(old_pid) && server.pid != old_pid
begin
Process.kill("QUIT", File.read(old_pid).to_i)
rescue Errno::ENOENT, Errno::ESRCH
# someone else did our job for us
end
end
end
after_fork do |server, worker|
# Unicorn master loads the app then forks off workers - because of the way
# Unix forking works, we need to make sure we aren't using any of the parent's
# sockets, e.g. db connection (since "preload_app true")
if defined?(ActiveRecord::Base)
ActiveRecord::Base.establish_connection
end
# if preload_app is true, then you may also want to check and
# restart any other shared sockets/descriptors such as Memcached,
# and Redis. TokyoCabinet file handles are safe to reuse
# between any number of forked children (assuming your kernel
# correctly implements pread()/pwrite() system calls)
end
编辑：根据请求 /var/rails/uspatriottactical/shared/bundle/ruby/1.9.1/gems/polyglot-0.3.3/lib/polyglot.rb
我在第 63 行评论
require 'pathname'
module Polyglot
@registrations ||= {} # Guard against reloading
@loaded ||= {}
class PolyglotLoadError < LoadError; end
class NestedLoadError < LoadError
def initialize le
@le = le
end
def reraise
raise @le
end
end
def self.register(extension, klass)
extension = [extension] unless Array === extension
extension.each{|e|
@registrations[e] = klass
}
end
def self.find(file, *options, &block)
is_absolute = Pathname.new(file).absolute?
(is_absolute ? [""] : $:).each{|lib|
base = is_absolute ? "" : lib+File::SEPARATOR
# In Windows, repeated SEPARATOR chars have a special meaning, avoid adding them
matches = Dir["#{base}#{file}{,.#{@registrations.keys*',.'}}"]
# Revisit: Should we do more do if more than one candidate found?
$stderr.puts "Polyglot: found more than one candidate for #{file}: #{matches*", "}" if matches.size > 1
if path = matches[0]
return [ path, @registrations[path.gsub(/.*\./,'')]]
end
}
return nil
end
def self.load(*a, &b)
file = a[0].to_str
return if @loaded[file] # Check for $: changes or file time changes and reload?
begin
source_file, loader = Polyglot.find(file, *a[1..-1], &b)
if (loader)
begin
loader.load(source_file)
@loaded[file] = true
rescue LoadError => e
raise Polyglot::NestedLoadError.new(e)
end
else
raise PolyglotLoadError.new("Failed to load #{file} using extensions #{(@registrations.keys+["rb"]).sort*", "}")
end
end
end
end
module Kernel
alias polyglot_original_require require
def require(*a, &b)
polyglot_original_require(*a, &b) # <- line 63
rescue LoadError => load_error
begin
Polyglot.load(*a, &b)
rescue Polyglot::NestedLoadError => e
e.reraise
rescue LoadError
# Raise the original exception, possibly a MissingSourceFile with a path
raise load_error
end
end
end