我刚刚将我的代码的更新版本部署到heroku但我收到此错误。它在当地运作良好，所以我认为这是安全的。谁知道出了什么问题？ 在新宝石方面，我安装了twitter和oauth宝石。我刚刚摆脱它们，但仍然得到同样的应用程序崩溃。
这是heroku日志
C:\Users\app5>heroku restart
Restarting processes... done
C:\Users\app5>heroku logs
2013-04-09T03:34:10.422084+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9
.1/gems/railties-3.2.3/lib/rails/initializable.rb:55:in `block in run_initialize
rs'
2013-04-09T03:34:10.422084+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9
.1/gems/railties-3.2.3/lib/rails/initializable.rb:54:in `each'
2013-04-09T03:34:10.421854+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9
.1/gems/railties-3.2.3/lib/rails/engine.rb:436:in `eager_load!'
2013-04-09T03:34:10.421854+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9
.1/gems/railties-3.2.3/lib/rails/application/finisher.rb:53:in `block in <module
:Finisher>'
2013-04-09T03:34:10.421854+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9
.1/gems/railties-3.2.3/lib/rails/initializable.rb:30:in `instance_exec'
2013-04-09T03:34:10.422084+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9
.1/gems/railties-3.2.3/lib/rails/railtie/configurable.rb:30:in `method_missing'
2013-04-09T03:34:10.422084+00:00 app[web.1]: from /app/config/environment.rb:
7:in `<top (required)>'
2013-04-09T03:34:10.422084+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9
.1/gems/activesupport-3.2.3/lib/active_support/dependencies.rb:251:in `require'
2013-04-09T03:34:10.422084+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9
.1/gems/activesupport-3.2.3/lib/active_support/dependencies.rb:251:in `block in
require'
2013-04-09T03:34:10.422084+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9
.1/gems/activesupport-3.2.3/lib/active_support/dependencies.rb:236:in `load_depe
ndency'
2013-04-09T03:34:10.422320+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9
.1/gems/activesupport-3.2.3/lib/active_support/dependencies.rb:251:in `require'
2013-04-09T03:34:10.422320+00:00 app[web.1]: from /app/config.ru:3:in `block
in <main>'
2013-04-09T03:34:10.422320+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9
.1/gems/rack-1.4.5/lib/rack/builder.rb:51:in `instance_eval'
2013-04-09T03:34:10.422320+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9
.1/gems/rack-1.4.5/lib/rack/builder.rb:51:in `initialize'
2013-04-09T03:34:10.422320+00:00 app[web.1]: from /app/config.ru:in `new'
2013-04-09T03:34:10.422320+00:00 app[web.1]: from /app/config.ru:in `<main>'
2013-04-09T03:34:10.422320+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9
.1/gems/rack-1.4.5/lib/rack/server.rb:200:in `app'
2013-04-09T03:34:10.422542+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9
.1/gems/rack-1.4.5/lib/rack/server.rb:304:in `wrapped_app'
2013-04-09T03:34:10.422320+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9
.1/gems/railties-3.2.3/lib/rails/commands/server.rb:46:in `app'
2013-04-09T03:34:10.422320+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9
.1/gems/rack-1.4.5/lib/rack/builder.rb:40:in `eval'
2013-04-09T03:34:10.422320+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9
.1/gems/rack-1.4.5/lib/rack/builder.rb:40:in `parse_file'
2013-04-09T03:34:10.422542+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9
.1/gems/rack-1.4.5/lib/rack/server.rb:254:in `start'
2013-04-09T03:34:10.422542+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9
.1/gems/railties-3.2.3/lib/rails/commands/server.rb:70:in `start'
2013-04-09T03:34:10.422542+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9
.1/gems/railties-3.2.3/lib/rails/commands.rb:55:in `block in <top (required)>'
2013-04-09T03:34:10.422542+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9
.1/gems/railties-3.2.3/lib/rails/commands.rb:50:in `tap'
2013-04-09T03:34:10.422542+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9
.1/gems/railties-3.2.3/lib/rails/commands.rb:50:in `<top (required)>'
2013-04-09T03:34:10.422542+00:00 app[web.1]: from script/rails:6:in `require'
2013-04-09T03:34:10.422542+00:00 app[web.1]: from script/rails:6:in `<main>'
2013-04-09T03:34:11.642431+00:00 heroku[web.1]: Process exited with status 1
2013-04-09T03:34:11.659334+00:00 heroku[web.1]: State changed from starting to c
rashed
2013-04-09T03:34:12.186269+00:00 app[web.2]: SECURITY WARNING: No secret
option provided to Rack::Session::Cookie.
2013-04-09T03:34:12.186269+00:00 app[web.2]: provide a secret to prevent
exploits that may be possible from crafted
2013-04-09T03:34:12.186269+00:00 app[web.2]: cookies. This will not be s
upported in future versions of Rack, and
2013-04-09T03:34:12.186269+00:00 app[web.2]: This poses a security threa
t. It is strongly recommended that you
2013-04-09T03:34:12.186269+00:00 app[web.2]: future versions will even i
nvalidate your existing user cookies.
2013-04-09T03:34:12.186269+00:00 app[web.2]: Called from: /app/vendor/bu
ndle/ruby/1.9.1/gems/actionpack-3.2.3/lib/action_dispatch/middleware/session/abs
tract_store.rb:28:in `initialize'.
2013-04-09T03:34:12.186269+00:00 app[web.2]:
2013-04-09T03:34:12.186269+00:00 app[web.2]:
2013-04-09T03:34:16.249332+00:00 app[web.2]: => Booting WEBrick
2013-04-09T03:34:16.249332+00:00 app[web.2]: => Rails 3.2.3 application starting
in production on http://0.0.0.0:24777
2013-04-09T03:34:16.249516+00:00 app[web.2]: Exiting
2013-04-09T03:34:16.249948+00:00 app[web.2]: from /app/vendor/bundle/ruby/1.9
.1/gems/activesupport-3.2.3/lib/active_support/dependencies.rb:251:in `block in
require'
2013-04-09T03:34:16.250053+00:00 app[web.2]: from /app/vendor/bundle/ruby/1.9
.1/gems/activesupport-3.2.3/lib/active_support/dependencies.rb:236:in `load_depe
ndency'
2013-04-09T03:34:16.249332+00:00 app[web.2]: => Ctrl-C to shutdown server
2013-04-09T03:34:16.249766+00:00 app[web.2]: /app/app/controllers/comments_contr
oller.rb:1:in `<top (required)>': superclass mismatch for class CommentsControll
er (TypeError)
2013-04-09T03:34:16.250225+00:00 app[web.2]: from /app/vendor/bundle/ruby/1.9
.1/gems/activesupport-3.2.3/lib/active_support/dependencies.rb:359:in `require_o
r_load'
2013-04-09T03:34:16.250140+00:00 app[web.2]: from /app/vendor/bundle/ruby/1.9
.1/gems/activesupport-3.2.3/lib/active_support/dependencies.rb:251:in `require'
2013-04-09T03:34:16.250419+00:00 app[web.2]: from /app/vendor/bundle/ruby/1.9
.1/gems/activesupport-3.2.3/lib/active_support/dependencies.rb:313:in `depend_on
'
2013-04-09T03:34:16.249332+00:00 app[web.2]: => Call with -d to detach
2013-04-09T03:34:16.250629+00:00 app[web.2]: from /app/vendor/bundle/ruby/1.9
.1/gems/railties-3.2.3/lib/rails/engine.rb:439:in `block (2 levels) in eager_loa
d!'
2013-04-09T03:34:16.250717+00:00 app[web.2]: from /app/vendor/bundle/ruby/1.9
.1/gems/railties-3.2.3/lib/rails/engine.rb:438:in `each'
2013-04-09T03:34:16.250804+00:00 app[web.2]: from /app/vendor/bundle/ruby/1.9
.1/gems/railties-3.2.3/lib/rails/engine.rb:438:in `block in eager_load!'
2013-04-09T03:34:16.250889+00:00 app[web.2]: from /app/vendor/bundle/ruby/1.9
.1/gems/railties-3.2.3/lib/rails/engine.rb:436:in `each'
2013-04-09T03:34:16.251036+00:00 app[web.2]: from /app/vendor/bundle/ruby/1.9
.1/gems/railties-3.2.3/lib/rails/engine.rb:436:in `eager_load!'
2013-04-09T03:34:16.251210+00:00 app[web.2]: from /app/vendor/bundle/ruby/1.9
.1/gems/railties-3.2.3/lib/rails/initializable.rb:30:in `instance_exec'
2013-04-09T03:34:16.249861+00:00 app[web.2]: from /app/vendor/bundle/ruby/1.9
.1/gems/activesupport-3.2.3/lib/active_support/dependencies.rb:251:in `require'
2013-04-09T03:34:16.252214+00:00 app[web.2]: from /app/vendor/bundle/ruby/1.9
.1/gems/railties-3.2.3/lib/rails/initializable.rb:54:in `each'
2013-04-09T03:34:16.251418+00:00 app[web.2]: from /app/vendor/bundle/ruby/1.9
.1/gems/railties-3.2.3/lib/rails/initializable.rb:55:in `block in run_initialize
rs'
2013-04-09T03:34:16.251294+00:00 app[web.2]: from /app/vendor/bundle/ruby/1.9
.1/gems/railties-3.2.3/lib/rails/initializable.rb:30:in `run'
2013-04-09T03:34:16.253756+00:00 app[web.2]: from /app/vendor/bundle/ruby/1.9
.1/gems/rack-1.4.5/lib/rack/server.rb:200:in `app'
2013-04-09T03:34:16.254594+00:00 app[web.2]: from script/rails:6:in `require'
2013-04-09T03:34:16.250509+00:00 app[web.2]: from /app/vendor/bundle/ruby/1.9
.1/gems/activesupport-3.2.3/lib/active_support/dependencies.rb:225:in `require_d
ependency'
2013-04-09T03:34:16.252784+00:00 app[web.2]: from /app/vendor/bundle/ruby/1.9
.1/gems/activesupport-3.2.3/lib/active_support/dependencies.rb:251:in `block in
require'
2013-04-09T03:34:16.253016+00:00 app[web.2]: from /app/vendor/bundle/ruby/1.9
.1/gems/activesupport-3.2.3/lib/active_support/dependencies.rb:251:in `require'
2013-04-09T03:34:16.253420+00:00 app[web.2]: from /app/config.ru:in `new'
2013-04-09T03:34:16.252874+00:00 app[web.2]: from /app/vendor/bundle/ruby/1.9
.1/gems/activesupport-3.2.3/lib/active_support/dependencies.rb:236:in `load_depe
ndency'
2013-04-09T03:34:16.253243+00:00 app[web.2]: from /app/vendor/bundle/ruby/1.9
.1/gems/rack-1.4.5/lib/rack/builder.rb:51:in `instance_eval'
2013-04-09T03:34:16.252657+00:00 app[web.2]: from /app/vendor/bundle/ruby/1.9
.1/gems/activesupport-3.2.3/lib/active_support/dependencies.rb:251:in `require'
2013-04-09T03:34:16.253333+00:00 app[web.2]: from /app/vendor/bundle/ruby/1.9
.1/gems/rack-1.4.5/lib/rack/builder.rb:51:in `initialize'
2013-04-09T03:34:16.254035+00:00 app[web.2]: from /app/vendor/bundle/ruby/1.9
.1/gems/rack-1.4.5/lib/rack/server.rb:304:in `wrapped_app'
2013-04-09T03:34:16.253588+00:00 app[web.2]: from /app/vendor/bundle/ruby/1.9
.1/gems/rack-1.4.5/lib/rack/builder.rb:40:in `eval'
2013-04-09T03:34:16.254207+00:00 app[web.2]: from /app/vendor/bundle/ruby/1.9
.1/gems/railties-3.2.3/lib/rails/commands/server.rb:70:in `start'
2013-04-09T03:34:16.254509+00:00 app[web.2]: from /app/vendor/bundle/ruby/1.9
.1/gems/railties-3.2.3/lib/rails/commands.rb:50:in `<top (required)>'
2013-04-09T03:34:16.252302+00:00 app[web.2]: from /app/vendor/bundle/ruby/1.9
.1/gems/railties-3.2.3/lib/rails/initializable.rb:54:in `run_initializers'
2013-04-09T03:34:16.252402+00:00 app[web.2]: from /app/vendor/bundle/ruby/1.9
.1/gems/railties-3.2.3/lib/rails/application.rb:136:in `initialize!'
2013-04-09T03:34:16.251126+00:00 app[web.2]: from /app/vendor/bundle/ruby/1.9
.1/gems/railties-3.2.3/lib/rails/application/finisher.rb:53:in `block in <module
:Finisher>'
2013-04-09T03:34:16.253672+00:00 app[web.2]: from /app/vendor/bundle/ruby/1.9
.1/gems/rack-1.4.5/lib/rack/builder.rb:40:in `parse_file'
2013-04-09T03:34:16.252571+00:00 app[web.2]: from /app/config/environment.rb:
7:in `<top (required)>'
2013-04-09T03:34:16.252488+00:00 app[web.2]: from /app/vendor/bundle/ruby/1.9
.1/gems/railties-3.2.3/lib/rails/railtie/configurable.rb:30:in `method_missing'
2013-04-09T03:34:16.253116+00:00 app[web.2]: from /app/config.ru:3:in `block
in <main>'
2013-04-09T03:34:16.253875+00:00 app[web.2]: from /app/vendor/bundle/ruby/1.9
.1/gems/railties-3.2.3/lib/rails/commands/server.rb:46:in `app'
2013-04-09T03:34:16.253504+00:00 app[web.2]: from /app/config.ru:in `<main>'
2013-04-09T03:34:16.254123+00:00 app[web.2]: from /app/vendor/bundle/ruby/1.9
.1/gems/rack-1.4.5/lib/rack/server.rb:254:in `start'
2013-04-09T03:34:16.254292+00:00 app[web.2]: from /app/vendor/bundle/ruby/1.9
.1/gems/railties-3.2.3/lib/rails/commands.rb:55:in `block in <top (required)>'
2013-04-09T03:34:16.254376+00:00 app[web.2]: from /app/vendor/bundle/ruby/1.9
.1/gems/railties-3.2.3/lib/rails/commands.rb:50:in `tap'
2013-04-09T03:34:16.254842+00:00 app[web.2]: from script/rails:6:in `<main>'
2013-04-09T03:34:17.704246+00:00 heroku[web.2]: Process exited with status 1
2013-04-09T03:34:17.719603+00:00 heroku[web.2]: State changed from starting to c
rashed
2013-04-09T03:35:06.060820+00:00 heroku[router]: at=error code=H10 desc="App cra
shed" method=GET path=/ host=appname.com fwd="xx.xx.xx.xxx" dyno= connect= service
= status=503 bytes=
Gemfile.lock文件
GEM
remote: https://rubygems.org/
specs:
actionmailer (3.2.3)
actionpack (= 3.2.3)
mail (~> 2.4.4)
actionpack (3.2.3)
activemodel (= 3.2.3)
activesupport (= 3.2.3)
builder (~> 3.0.0)
erubis (~> 2.7.0)
journey (~> 1.0.1)
rack (~> 1.4.0)
rack-cache (~> 1.2)
rack-test (~> 0.6.1)
sprockets (~> 2.1.2)
activeadmin (0.5.1)
arbre (>= 1.0.1)
bourbon (>= 1.0.0)
devise (>= 1.1.2)
fastercsv
formtastic (>= 2.0.0)
inherited_resources (>= 1.3.1)
jquery-rails (>= 1.0.0)
kaminari (>= 0.13.0)
meta_search (>= 0.9.2)
rails (>= 3.0.0)
sass (>= 3.1.0)
activemodel (3.2.3)
activesupport (= 3.2.3)
builder (~> 3.0.0)
activerecord (3.2.3)
activemodel (= 3.2.3)
activesupport (= 3.2.3)
arel (~> 3.0.2)
tzinfo (~> 0.3.29)
activeresource (3.2.3)
activemodel (= 3.2.3)
activesupport (= 3.2.3)
activesupport (3.2.3)
i18n (~> 0.6)
multi_json (~> 1.0)
addressable (2.2.8)
arbre (1.0.1)
activesupport (>= 3.0.0)
arel (3.0.2)
bcrypt-ruby (3.0.1)
bcrypt-ruby (3.0.1-x86-mingw32)
bootstrap-sass (2.1.0.0)
bootstrap-will_paginate (0.0.5)
will_paginate
bourbon (3.1.1)
sass (>= 3.2.0)
thor
builder (3.0.4)
capybara (1.1.2)
mime-types (>= 1.16)
nokogiri (>= 1.3.3)
rack (>= 1.0.0)
rack-test (>= 0.5.4)
selenium-webdriver (~> 2.0)
xpath (~> 0.1.4)
carrierwave (0.8.0)
activemodel (>= 3.2.0)
activesupport (>= 3.2.0)
childprocess (0.3.9)
ffi (~> 1.0, >= 1.0.11)
coderay (1.0.9)
coffee-rails (3.2.2)
coffee-script (>= 2.2.0)
railties (~> 3.2.0)
coffee-script (2.2.0)
coffee-script-source
execjs
coffee-script-source (1.6.1)
cucumber (1.2.2)
builder (>= 2.1.2)
diff-lcs (>= 1.1.3)
gherkin (~> 2.11.6)
multi_json (~> 1.3)
cucumber-rails (1.2.1)
capybara (>= 1.1.2)
cucumber (>= 1.1.3)
nokogiri (>= 1.5.0)
database_cleaner (0.7.0)
devise (2.2.3)
bcrypt-ruby (~> 3.0)
orm_adapter (~> 0.1)
railties (~> 3.1)
warden (~> 1.2.1)
diff-lcs (1.1.3)
erubis (2.7.0)
excon (0.13.4)
execjs (1.4.0)
multi_json (~> 1.0)
factory_girl (2.3.2)
activesupport
factory_girl_rails (1.4.0)
factory_girl (~> 2.3.0)
railties (>= 3.0.0)
faker (1.0.1)
i18n (~> 0.4)
fastercsv (1.5.5)
ffi (1.4.0)
ffi (1.4.0-x86-mingw32)
fog (1.3.1)
builder
excon (~> 0.13.0)
formatador (~> 0.2.0)
mime-types
multi_json (~> 1.0)
net-scp (~> 1.0.4)
net-ssh (>= 2.1.3)
nokogiri (~> 1.5.0)
ruby-hmac
formatador (0.2.4)
formtastic (2.2.1)
actionpack (>= 3.0)
friendly_id (4.0.9)
gherkin (2.11.6)
json (>= 1.7.6)
gherkin (2.11.6-x86-mingw32)
json (>= 1.7.6)
growl (1.0.3)
guard (1.6.2)
listen (>= 0.6.0)
lumberjack (>= 1.0.2)
pry (>= 0.9.10)
terminal-table (>= 1.4.3)
thor (>= 0.14.6)
guard-rspec (0.5.5)
guard (>= 0.8.4)
guard-spork (0.3.2)
guard (>= 0.8.4)
spork (>= 0.8.4)
has_scope (0.5.1)
hike (1.2.1)
httpclient (2.3.3)
i18n (0.6.4)
impressionist (1.2.0)
httpclient (~> 2.2)
nokogiri (~> 1.5)
inherited_resources (1.3.1)
has_scope (~> 0.5.0)
responders (~> 0.6)
journey (1.0.4)
jquery-rails (2.0.2)
railties (>= 3.2.0, < 5.0)
thor (~> 0.14)
json (1.7.7)
kaminari (0.14.1)
actionpack (>= 3.0.0)
activesupport (>= 3.0.0)
launchy (2.1.0)
addressable (~> 2.2.6)
listen (0.7.3)
lumberjack (1.0.2)
mail (2.4.4)
i18n (>= 0.4.0)
mime-types (~> 1.16)
treetop (~> 1.4.8)
meta_search (1.1.3)
actionpack (~> 3.1)
activerecord (~> 3.1)
activesupport (~> 3.1)
polyamorous (~> 0.5.0)
method_source (0.8.1)
mime-types (1.21)
mini_magick (3.5.0)
subexec (~> 0.2.1)
multi_json (1.6.1)
net-scp (1.0.4)
net-ssh (>= 1.99.1)
net-ssh (2.6.6)
nokogiri (1.5.6)
nokogiri (1.5.6-x86-mingw32)
orm_adapter (0.4.0)
pg (0.12.2)
pg (0.12.2-x86-mingw32)
polyamorous (0.5.0)
activerecord (~> 3.0)
polyglot (0.3.3)
pr_geohash (1.0.0)
pry (0.9.12)
coderay (~> 1.0.5)
method_source (~> 0.8)
slop (~> 3.4)
pry (0.9.12-x86-mingw32)
coderay (~> 1.0.5)
method_source (~> 0.8)
slop (~> 3.4)
win32console (~> 1.3)
rack (1.4.5)
rack-cache (1.2)
rack (>= 0.4)
rack-ssl (1.3.3)
rack
rack-test (0.6.2)
rack (>= 1.0)
rails (3.2.3)
actionmailer (= 3.2.3)
actionpack (= 3.2.3)
activerecord (= 3.2.3)
activeresource (= 3.2.3)
activesupport (= 3.2.3)
bundler (~> 1.0)
railties (= 3.2.3)
railties (3.2.3)
actionpack (= 3.2.3)
activesupport (= 3.2.3)
rack-ssl (~> 1.3.2)
rake (>= 0.8.7)
rdoc (~> 3.4)
thor (~> 0.14.6)
rake (10.0.3)
rb-fsevent (0.4.3.1)
rdoc (3.12.2)
json (~> 1.4)
responders (0.9.3)
railties (~> 3.1)
rinku (1.7.2)
rsolr (1.0.8)
builder (>= 2.1.2)
rspec (2.9.0)
rspec-core (~> 2.9.0)
rspec-expectations (~> 2.9.0)
rspec-mocks (~> 2.9.0)
rspec-core (2.9.0)
rspec-expectations (2.9.1)
diff-lcs (~> 1.1.3)
rspec-mocks (2.9.0)
rspec-rails (2.9.0)
actionpack (>= 3.0)
activesupport (>= 3.0)
railties (>= 3.0)
rspec (~> 2.9.0)
ruby-hmac (0.4.0)
rubyzip (0.9.9)
sass (3.2.6)
sass-rails (3.2.5)
railties (~> 3.2.0)
sass (>= 3.1.10)
tilt (~> 1.3)
selenium-webdriver (2.31.0)
childprocess (>= 0.2.5)
multi_json (~> 1.0)
rubyzip
websocket (~> 1.0.4)
slop (3.4.3)
spork (0.9.0)
spork (0.9.0-x86-mingw32)
win32-process
sprockets (2.1.3)
hike (~> 1.2)
rack (~> 1.0)
tilt (~> 1.1, != 1.3.0)
sqlite3 (1.3.5)
sqlite3 (1.3.5-x86-mingw32)
subexec (0.2.2)
sunspot (2.0.0)
pr_geohash (~> 1.0)
rsolr (~> 1.0.7)
sunspot_rails (2.0.0)
nokogiri
sunspot (= 2.0.0)
sunspot_solr (2.0.0)
terminal-table (1.4.5)
thor (0.14.6)
tilt (1.3.4)
treetop (1.4.12)
polyglot
polyglot (>= 0.3.1)
tzinfo (0.3.36)
uglifier (1.2.3)
execjs (>= 0.3.0)
multi_json (>= 1.0.2)
warden (1.2.1)
rack (>= 1.0)
websocket (1.0.7)
will_paginate (3.0.3)
win32-process (0.7.1)
ffi (>= 1.0.0)
win32console (1.3.2-x86-mingw32)
xpath (0.1.4)
nokogiri (~> 1.3)
PLATFORMS
ruby
x86-mingw32
DEPENDENCIES
activeadmin
bcrypt-ruby (= 3.0.1)
bootstrap-sass (= 2.1)
bootstrap-will_paginate (= 0.0.5)
capybara (= 1.1.2)
carrierwave
coffee-rails (= 3.2.2)
cucumber-rails (= 1.2.1)
database_cleaner (= 0.7.0)
factory_girl_rails (= 1.4.0)
faker (= 1.0.1)
fog (~> 1.3.1)
friendly_id
growl (= 1.0.3)
guard-rspec (= 0.5.5)
guard-spork (= 0.3.2)
impressionist
jquery-rails (= 2.0.2)
launchy (= 2.1.0)
meta_search (>= 1.1.0.pre)
mini_magick
pg (= 0.12.2)
rails (= 3.2.3)
rb-fsevent (= 0.4.3.1)
rinku (~> 1.7.2)
rspec-rails (= 2.9.0)
sass-rails (= 3.2.5)
simple-private-messages (= 0.0.0)!
spork (= 0.9.0)
sqlite3 (= 1.3.5)
sunspot_rails
sunspot_solr
uglifier (= 1.2.3)
will_paginate (= 3.0.3)
答案 0 :(得分：1)
这通常意味着您无意中重新定义了一个类，可能是在应用程序的其他位置定义了类之后尝试重新打开该类。尝试在您的应用中搜索class CommentsController ...如果它出现不止一次并且是预期的，您将要确保所有用法都从同一父类继承。我认为每次使用都应该是class CommentsController < ApplicationController。