＆ldquo;没有这样的文件加载＆mdash;树梢/运行＆rdquo;的运行＆ldquo; rake jobs：work＆rdquo;

当我尝试运行“rails服务器”或“rake jobs：work”时，我收到错误： “没有这样的文件加载 - 树梢/运行时” 完整的痕迹： macbook-pro-2：域名ryan $ rake jobs：work --trace（在/ Applications / htdocs / domain中）rake aborted！ 没有这样的文件加载 - 树梢/运行时 /opt/local/lib/ruby/gems/1.8/gems/mail-2.2.14/lib/mail.rb:68:in

require'
/opt/local/lib/ruby/gems/1.8/gems/mail-2.2.14/lib/mail.rb:68
/opt/local/lib/ruby/gems/1.8/gems/mail-2.2.14/lib/mail.rb:61:in

each' /opt/local/lib/ruby/gems/1.8/gems/mail-2.2.14/lib/mail.rb:61 /opt/local/lib/ruby/gems/1.8/gems/delayed_job-2.1.2/lib/delayed/performable_mailer.rb:1:in

require'
/opt/local/lib/ruby/gems/1.8/gems/delayed_job-2.1.2/lib/delayed/performable_mailer.rb:1
/opt/local/lib/ruby/gems/1.8/gems/delayed_job-2.1.2/lib/delayed_job.rb:5:in

require' /opt/local/lib/ruby/gems/1.8/gems/delayed_job-2.1.2/lib/delayed_job.rb:5 /opt/local/lib/ruby/gems/1.8/gems/bundler-1.0.7/lib/bundler/runtime.rb:64:in

require'
/opt/local/lib/ruby/gems/1.8/gems/bundler-1.0.7/lib/bundler/runtime.rb:64:in

require' /opt/local/lib/ruby/gems/1.8/gems/bundler-1.0.7/lib/bundler/runtime.rb:62:in

each'
/opt/local/lib/ruby/gems/1.8/gems/bundler-1.0.7/lib/bundler/runtime.rb:62:in

require' /opt/local/lib/ruby/gems/1.8/gems/bundler-1.0.7/lib/bundler/runtime.rb:51:in

each'
/opt/local/lib/ruby/gems/1.8/gems/bundler-1.0.7/lib/bundler/runtime.rb:51:in

require' /opt/local/lib/ruby/gems/1.8/gems/bundler-1.0.7/lib/bundler.rb:112:in

require'
/ApApplications/htdocs/domain/config/application.rb:7
/opt/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in

gem_original_require' /opt/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in

require'
/Applications/htdocs/domain/Rakefile:4
/opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2383:in

load' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2383:in

raw_load_rakefile'
/opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2017:in

load_rakefile' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2068:in

standard_exception_handling'
/opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2016:in

load_rakefile' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2000:in

run'
/opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2068:in

standard_exception_handling' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:1998:in

run'
/opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/bin/rake:31
/opt/local/bin/rake:19:in

load' /选择/ local / bin目录/耙：19 在我的Gemfile中我有： “宝石'delayed_job'”