我刚刚遇到了“我们很遗憾，但出了点问题。”部署到Heroku时出错了。
对Heroku来说相当新，我无法识别问题，对其进行故障排除。
application.rb中
require File.expand_path('../boot', __FILE__)
require 'rails/all'
if defined?(Bundler)
# If you precompile assets before deploying to production, use this line
Bundler.require(*Rails.groups(:assets => %w(development test)))
# If you want your assets lazily compiled in production, use this line
# Bundler.require(:default, :assets, Rails.env)
end
module User101
class Application < Rails::Application
#seperate
# Prevents heroku rake abort on assets compile
# From http://www.simonecarletti.com/blog/2012/02/heroku-and-rails-3-2-assetprecompile-error/
config.assets.initialize_on_precompile = false
# Enable the asset pipeline
config.assets.enabled = true
# wysihtml5 css issue - https://github.com/sferik/rails_admin/issues/1312
config.assets.precompile += ['*.css', '*.js']
#seperate
# Settings in config/environments/* take precedence over those specified here.
# Application configuration should go into files in config/initializers
# -- all .rb files in that directory are automatically loaded.
# Custom directories with classes and modules you want to be autoloadable.
# config.autoload_paths += %W(#{config.root}/extras)
# Only load the plugins named here, in the order given (default is alphabetical).
# :all can be used as a placeholder for all plugins not explicitly named.
# config.plugins = [ :exception_notification, :ssl_requirement, :all ]
# Activate observers that should always be running.
# config.active_record.observers = :cacher, :garbage_collector, :forum_observer
# Set Time.zone default to the specified zone and make Active Record auto-convert to this zone.
# Run "rake -D time" for a list of tasks for finding time zone names. Default is UTC.
# config.time_zone = 'Central Time (US & Canada)'
# The default locale is :en and all translations from config/locales/*.rb,yml are auto loaded.
# config.i18n.load_path += Dir[Rails.root.join('my', 'locales', '*.{rb,yml}').to_s]
# config.i18n.default_locale = :de
# Configure the default encoding used in templates for Ruby 1.9.
config.encoding = "utf-8"
# Configure sensitive parameters which will be filtered from the log file.
config.filter_parameters += [:password]
# Enable escaping HTML in JSON.
config.active_support.escape_html_entities_in_json = true
# Use SQL instead of Active Record's schema dumper when creating the database.
# This is necessary if your schema can't be completely dumped by the schema dumper,
# like if you have constraints or database-specific column types
# config.active_record.schema_format = :sql
# Enforce whitelist mode for mass assignment.
# This will create an empty whitelist of attributes available for mass-assignment for all models
# in your app. As such, your models will need to explicitly whitelist or blacklist accessible
# parameters by using an attr_accessible or attr_protected declaration.
config.active_record.whitelist_attributes = true
# Enable the asset pipeline
config.assets.enabled = true
# Version of your assets, change this if you want to expire all your assets
config.assets.version = '1.0'
end
end
[StartupBlog]$heroku logs
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.11/lib/action_controller/metal.rb:246:in `block in action'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.11/lib/action_controller/metal/rack_delegation.rb:14:in `dispatch'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.11/lib/action_controller/metal.rb:203:in `dispatch'
2013-03-01T04:13:47+00:00 heroku[router]: at=info method=GET path=/users/sign_in host=startupblog.herokuapp.com fwd="174.95.207.136" dyno=web.1 queue=0 wait=0ms connect=2ms service=17ms status=500 bytes=643
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.11/lib/action_dispatch/routing/route_set.rb:73:in `dispatch'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.11/lib/action_dispatch/routing/route_set.rb:73:in `call'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.11/lib/action_dispatch/routing/route_set.rb:36:in `call'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.11/lib/action_dispatch/routing/mapper.rb:42:in `call'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/journey-1.0.4/lib/journey/router.rb:68:in `block in call'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/journey-1.0.4/lib/journey/router.rb:56:in `each'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/journey-1.0.4/lib/journey/router.rb:56:in `call'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.11/lib/action_dispatch/routing/route_set.rb:601:in `call'
2013-03-01T04:13:47+00:00
app[web.1]: vendor/bundle/ruby/1.9.1/gems/omniauth-1.1.3/lib/omniauth/strategy.rb:177:in `call!'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/omniauth-1.1.3/lib/omniauth/strategy.rb:157:in `call'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/omniauth-1.1.3/lib/omniauth/builder.rb:48:in `call'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/warden-1.2.1/lib/warden/manager.rb:35:in `block in call'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/warden-1.2.1/lib/warden/manager.rb:34:in `catch'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/warden-1.2.1/lib/warden/manager.rb:34:in `call'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.11/lib/action_dispatch/middleware/best_standards_support.rb:17:in `call'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/etag.rb:23:in `call'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/conditionalget.rb:25:in `call'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.11/lib/action_dispatch/middleware/head.rb:14:in `call'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.11/lib/action_dispatch/middleware/params_parser.rb:21:in `call'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.11/lib/action_dispatch/middleware/flash.rb:242:in `call'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/session/abstract/id.rb:210:in `context'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/session/abstract/id.rb:205:in `call'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.11/lib/action_dispatch/middleware/cookies.rb:341:in `call'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.11/lib/active_record/query_cache.rb:64:in `call'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.11/lib/active_record/connection_adapters/abstract/connection_pool.rb:479:in `call'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.11/lib/action_dispatch/middleware/callbacks.rb:28:in `block in call'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/activesupport-3.2.11/lib/active_support/callbacks.rb:405:in `_run__3394535389802165164__call__3147947447447898363__callbacks'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/activesupport-3.2.11/lib/active_support/callbacks.rb:405:in `__run_callback'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/activesupport-3.2.11/lib/active_support/callbacks.rb:385:in `_run_call_callbacks'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/activesupport-3.2.11/lib/active_support/callbacks.rb:81:in `run_callbacks'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.11/lib/action_dispatch/middleware/callbacks.rb:27:in `call'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.11/lib/action_dispatch/middleware/remote_ip.rb:31:in `call'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.11/lib/action_dispatch/middleware/debug_exceptions.rb:16:in `call'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.11/lib/action_dispatch/middleware/show_exceptions.rb:56:in `call'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/railties-3.2.11/lib/rails/rack/logger.rb:32:in `call_app'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/railties-3.2.11/lib/rails/rack/logger.rb:16:in `block in call'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/activesupport-3.2.11/lib/active_support/tagged_logging.rb:22:in `tagged'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/railties-3.2.11/lib/rails/rack/logger.rb:16:in `call'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.11/lib/action_dispatch/middleware/request_id.rb:22:in `call'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/methodoverride.rb:21:in `call'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/runtime.rb:17:in `call'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/activesupport-3.2.11/lib/active_support/cache/strategy/local_cache.rb:72:in `call'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/lock.rb:15:in `call'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.11/lib/action_dispatch/middleware/static.rb:62:in `call'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/rack-cache-1.2/lib/rack/cache/context.rb:136:in `forward'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/rack-cache-1.2/lib/rack/cache/context.rb:245:in `fetch'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/rack-cache-1.2/lib/rack/cache/context.rb:185:in `lookup'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/rack-cache-1.2/lib/rack/cache/context.rb:51:in `call'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/rack-cache-1.2/lib/rack/cache/context.rb:66:in `call!'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/railties-3.2.11/lib/rails/application.rb:223:in `call'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/content_length.rb:14:in `call'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/railties-3.2.11/lib/rails/rack/log_tailer.rb:17:in `call'
2013-03-01T04:13:47+00:00 app[web.1]: /usr/local/lib/ruby/1.9.1/webrick/httpserver.rb:111:in `service'
2013-03-01T04:13:47+00:00 app[web.1]: /usr/local/lib/ruby/1.9.1/webrick/httpserver.rb:70:in `run'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/railties-3.2.11/lib/rails/engine.rb:479:in `call'
2013-03-01T04:13:47+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/handler/webrick.rb:59:in `service'
2013-03-01T04:13:47+00:00 app[web.1]:
2013-03-01T04:13:47+00:00 app[web.1]:
2013-03-01T04:13:47+00:00 app[web.1]: /usr/local/lib/ruby/1.9.1/webrick/server.rb:183:in `block in start_thread'
2013-03-01T04:13:50+00:00 heroku[router]: at=info method=GET path=/ host=startupblog.herokuapp.com fwd="174.95.207.136" dyno=web.1 queue=0 wait=0ms connect=1ms service=12ms status=304 bytes=0
2013-03-01T04:13:50+00:00 heroku[router]: at=info method=GET path=/assets/logo2.png host=startupblog.herokuapp.com fwd="174.95.207.136" dyno=web.1 queue=0 wait=0ms connect=2ms service=9ms status=404 bytes=728
2013-03-01T04:13:50+00:00 app[web.1]: Processing by PagesController#home as HTML
2013-03-01T04:13:50+00:00 app[web.1]:
2013-03-01T04:13:50+00:00 app[web.1]: Rendered partials/_footer.html.erb (1.3ms)
2013-03-01T04:13:50+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/railties-3.2.11/lib/rails/rack/logger.rb:16:in `block i
n call'
2013-03-01T04:13:50+00:00 app[web.1]: Rendered pages/home.html.erb within layouts/application (2.7ms)
2013-03-01T04:13:50+00:00 app[web.1]: Completed 200 OK in 4ms (Views: 3.8ms | ActiveRecord: 0.0ms)
2013-03-01T04:13:50+00:00 app[web.1]: Started GET "/assets/logo2.png" for 174.95.207.136 at 2013-03-01 04:13:50 +0000
2013-03-01T04:13:50+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/railties-3.2.11/lib/rails/rack/logger.rb:16:in `call'
2013-03-01T04:13:50+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.11/lib/action_dispatch/middleware/show_exceptions.rb:56:in `call'
2013-03-01T04:13:50+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/runtime.rb:17:in `call'
2013-03-01T04:13:50+00:00 app[web.1]: Started GET "/" for 174.95.207.136 at 2013-03-01 04:13:50 +0000
2013-03-01T04:13:50+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/rack-cache-1.2/lib/rack/cache/context.rb:245:in `fetch'
2013-03-01T04:13:50+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/rack-cache-1.2/lib/rack/cache/context.rb:51:in `call'
2013-03-01T04:13:50+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/activesupport-3.2.11/lib/active_support/tagged_logging.rb:22:in `tagged'
2013-03-01T04:13:50+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/rack-cache-1.2/lib/rack/cache/context.rb:66:in `call!'
2013-03-01T04:13:50+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/railties-3.2.11/lib/rails/application.rb:223:in `call'
2013-03-01T04:13:50+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.11/lib/action_dispatch/middleware/request_id.rb:22:in `call'
2013-03-01T04:13:50+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/rack-cache-1.2/lib/rack/cache/context.rb:185:in `lookup'
2013-03-01T04:13:50+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/railties-3.2.11/lib/rails/engine.rb:479:in `call'
2013-03-01T04:13:50+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/methodoverride.rb:21:in `call'
2013-03-01T04:13:50+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.11/lib/action_dispatch/middleware/static.rb:62:in `call'
2013-03-01T04:13:50+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.11/lib/action_dispatch/middleware/debug_exceptions.rb:21:in `call'
2013-03-01T04:13:50+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/activesupport-3.2.11/lib/active_support/cache/strategy/local_cache.rb:72:in `call'
2013-03-01T04:13:50+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/railties-3.2.11/lib/rails/rack/logger.rb:32:in `call_app'
2013-03-01T04:13:50+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/lock.rb:15:in `call'
2013-03-01T04:13:50+00:00 app[web.1]: Rendered partials/_header.html.erb (1.0ms)
2013-03-01T04:13:50+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/rack-cache-1.2/lib/rack/cache/context.rb:136:in `forward'
2013-03-01T04:13:50+00:00 app[web.1]: ActionController::RoutingError (No route matches [GET] "/assets/logo2.png"):
2013-03-01T04:13:50+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/content_length.rb:14:in `call'
2013-03-01T04:13:50+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/railties-3.2.11/lib/rails/rack/log_tailer.rb:17:in `call'
2013-03-01T04:13:50+00:00 app[web.1]: /usr/local/lib/ruby/1.9.1/webrick/httpserver.rb:70:in `run'
2013-03-01T04:13:50+00:00 app[web.1]: /usr/local/lib/ruby/1.9.1/webrick/server.rb:183:in `block in start_thread'
2013-03-01T04:13:50+00:00 app[web.1]:
2013-03-01T04:13:50+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/handler/webrick.rb:59:in `service'
2013-03-01T04:13:50+00:00 app[web.1]: /usr/local/lib/ruby/1.9.1/webrick/httpserver.rb:111:in `service'
2013-03-01T04:13:50+00:00 app[web.1]:
答案 0 :(得分：2)
您的logo.png文件似乎存在问题。在部署之前是否预先编译了资产？
rake assets:precompile
这将生成用于生产的资产。签入生成的文件（公共/资产），然后再返回Heroku。