例如，当我调用任何 Capifony 数据库函数时，cap database:move:to_remote，我收到以下 ruby 错误：
jeremykendall@isr-thinkpad-420s:~/dev/sites/app$ cap develop database:move:to_remote
triggering load callbacks
* executing `develop'
triggering start callbacks for `database:move:to_remote'
* executing `multistage:ensure'
* executing `database:move:to_remote'
* executing `database:dump:local'
/home/jeremykendall/.rvm/rubies/ruby-1.9.3-p125/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require': cannot load such file -- FileUtils (LoadError)
from /home/jeremykendall/.rvm/rubies/ruby-1.9.3-p125/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from /home/jeremykendall/.rvm/gems/ruby-1.9.3-p125@interperf/gems/capifony-2.1.5/lib/symfony2.rb:101:in `block (3 levels) in load'
from /home/jeremykendall/.rvm/gems/ruby-1.9.3-p125@interperf/gems/capistrano-2.11.2/lib/capistrano/configuration/execution.rb:139:in `instance_eval'
from /home/jeremykendall/.rvm/gems/ruby-1.9.3-p125@interperf/gems/capistrano-2.11.2/lib/capistrano/configuration/execution.rb:139:in `invoke_task_directly'
from /home/jeremykendall/.rvm/gems/ruby-1.9.3-p125@interperf/gems/capistrano-2.11.2/lib/capistrano/configuration/callbacks.rb:25:in `invoke_task_directly_with_callbacks'
from /home/jeremykendall/.rvm/gems/ruby-1.9.3-p125@interperf/gems/capistrano-2.11.2/lib/capistrano/configuration/execution.rb:89:in `execute_task'
from /home/jeremykendall/.rvm/gems/ruby-1.9.3-p125@interperf/gems/capistrano-2.11.2/lib/capistrano/configuration/namespaces.rb:191:in `method_missing'
from /home/jeremykendall/.rvm/gems/ruby-1.9.3-p125@interperf/gems/capistrano-2.11.2/lib/capistrano/configuration/namespaces.rb:191:in `method_missing'
from /home/jeremykendall/.rvm/gems/ruby-1.9.3-p125@interperf/gems/capistrano-2.11.2/lib/capistrano/configuration/namespaces.rb:110:in `block in define_task'
from /home/jeremykendall/.rvm/gems/ruby-1.9.3-p125@interperf/gems/capifony-2.1.5/lib/symfony2.rb:159:in `block (3 levels) in load'
from /home/jeremykendall/.rvm/gems/ruby-1.9.3-p125@interperf/gems/capistrano-2.11.2/lib/capistrano/configuration/execution.rb:139:in `instance_eval'
from /home/jeremykendall/.rvm/gems/ruby-1.9.3-p125@interperf/gems/capistrano-2.11.2/lib/capistrano/configuration/execution.rb:139:in `invoke_task_directly'
from /home/jeremykendall/.rvm/gems/ruby-1.9.3-p125@interperf/gems/capistrano-2.11.2/lib/capistrano/configuration/callbacks.rb:25:in `invoke_task_directly_with_callbacks'
from /home/jeremykendall/.rvm/gems/ruby-1.9.3-p125@interperf/gems/capistrano-2.11.2/lib/capistrano/configuration/execution.rb:89:in `execute_task'
from /home/jeremykendall/.rvm/gems/ruby-1.9.3-p125@interperf/gems/capistrano-2.11.2/lib/capistrano/configuration/execution.rb:101:in `find_and_execute_task'
from /home/jeremykendall/.rvm/gems/ruby-1.9.3-p125@interperf/gems/capistrano-2.11.2/lib/capistrano/cli/execute.rb:46:in `block in execute_requested_actions'
from /home/jeremykendall/.rvm/gems/ruby-1.9.3-p125@interperf/gems/capistrano-2.11.2/lib/capistrano/cli/execute.rb:45:in `each'
from /home/jeremykendall/.rvm/gems/ruby-1.9.3-p125@interperf/gems/capistrano-2.11.2/lib/capistrano/cli/execute.rb:45:in `execute_requested_actions'
from /home/jeremykendall/.rvm/gems/ruby-1.9.3-p125@interperf/gems/capistrano-2.11.2/lib/capistrano/cli/help.rb:19:in `execute_requested_actions_with_help'
from /home/jeremykendall/.rvm/gems/ruby-1.9.3-p125@interperf/gems/capistrano-2.11.2/lib/capistrano/cli/execute.rb:34:in `execute!'
from /home/jeremykendall/.rvm/gems/ruby-1.9.3-p125@interperf/gems/capistrano-2.11.2/lib/capistrano/cli/execute.rb:14:in `execute'
from /home/jeremykendall/.rvm/gems/ruby-1.9.3-p125@interperf/gems/capistrano-2.11.2/bin/cap:4:in `<top (required)>'
from /home/jeremykendall/.rvm/gems/ruby-1.9.3-p125@interperf/bin/cap:19:in `load'
from /home/jeremykendall/.rvm/gems/ruby-1.9.3-p125@interperf/bin/cap:19:in `<main>'
My deploy.rb：
set :stage_dir, 'app/config/deploy'
require 'capistrano/ext/multistage'
set :stages, %w{production testing develop}
default_run_options[:pty] = true
set :application, "appname"
set :deploy_to, "/home/isr/sites/app"
set :deploy_via, :remote_cache
set :scm, :git
set :repository, "git@github.com:jeremykendall/redacted.git"
set :user, "isr"
set :use_sudo, false
ssh_options[:forward_agent] = true
set :model_manager, "doctrine"
set :keep_releases, 3
set :update_vendors, true
set :shared_files, ["app/config/parameters.yml", "app/config/parameters.ini"]
set :shared_children, [app_path + "/logs", app_path + "/cache", web_path + "/uploads", "vendor"]
My app/config/deploy/develop.rb
# Deploys to local vagrant box
set :domain, "192.168.33.10"
set :symfony_env_prod, "dev"
set :deploy_to, "/home/vagrant/sites/app"
set :branch, "develop"
set :user, "vagrant"
role :web, domain # Your HTTP server, Apache/etc
role :app, domain # This may be the same as your `Web` server
role :db, domain, :primary => true # This is where Rails migrations will run
我尝试过什么
-
gem install fileutils -
sudo aptitude install libfileutils-ocaml-dev（抓住FileUtils吸管） -
gem update --system -
gem update
看起来这是 capifony 2.1.5 中的一个错误。 尝试 greping for require "FileUtils" 并替换为 require "fileutils" . 那还是等待补丁？
您会发现require 'FileUtils'通常可以在Mac OS X上运行，但是它应该是小写的fileutils。 问题在于，大多数将Mac OS X与不区分大小写的文件系统一起使用，因此当您部署或迁移到linux或其他文件系统（如ZFS）并打开区分大小写时，它将失败。
由于FileUtils是corelib的一部分，那么它应该存在于任何Ruby安装中，前提是它可以在使用RVM安装Ruby时编译它。我自己也遇到了类似的问题，一些核心库不在那里，事实证明，当我使用 RVM 编译 ruby 时，我没有安装一些依赖项。
这些是所有 ruby corelib 功能的完整要求，以及 RVM 所需的几个功能。（使用rvm requirements找到
apt-get install build-essential openssl libreadline6 libreadline6-dev curl git-core zlib1g zlib1g-dev libssl-dev libyaml-dev libsqlite3-dev sqlite3 libxml2-dev libxslt-dev autoconf libc6-dev ncurses-dev automake libtool bison subversion
现在，完全删除 ruby 并重新安装源代码。（否则，以前的配置选项可能无法取消设置并将您留在同一个位置）
rvm reinstall 1.9.3-p125
前几天晚上尝试 gem 安装导轨时，我遇到了类似的错误，事实证明我错误地信任了 apt-get 来获得我需要的一切。
我敢打赌，在安装软件包并确保它们确实是您想要的时，您比我更小心，但这是我安装的（大致）修复它的内容。
sudo apt-get install ruby-full build-essential
sudo aptitude install ruby build-essential libopenssl-ruby ruby1.8-dev
您有一个用于 Symphony 部署的 Gem，它会自动添加到您的部署中：
gem uninstall capifony
使用宝石集或bundler exec capistrano ...来解决此问题