當在heroku上部署網站時出現錯誤

因此，我剛剛將我的網站部署到了heroku。在當地它顯得很好。我創建了一個名爲welcome的新控制器，並帶有索引視圖。我也更新了我的路線文件夾。現在我對我的網站 site 當在heroku上部署網站時出現錯誤

這裏收到錯誤消息是我的Heroku的日誌，其中我認爲這個問題是一個文檔片斷：

     less-cov2012-09-08T15:58:07+00:00 app[web.1]: 
        2012-09-08T15:58:07+00:00 app[web.1]: cache: [GET /] miss 
        2012-09-08T15:58:07+00:00 app[web.1]: 
        2012-09-08T15:58:07+00:00 heroku[router]: GET limitless-cove-5100.herokuapp.com/ 
        dyno=web.1 queue=0 wait=0ms service=978ms status=500 bytes=643

這裏是整個日誌：

    2012-09-08T16:09:15+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/railties-3 
        .2.1/lib/rails/rack/log_tailer.rb:14:in `call' 
        2012-09-08T16:09:15+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/rack-1.4.1 
        /lib/rack/handler/webrick.rb:59:in `service' 
        2012-09-08T16:09:15+00:00 app[web.1]: /usr/local/lib/ruby/1.9.1/webrick/httpse 
        rver.rb:111:in `service' 
        2012-09-08T16:09:15+00:00 app[web.1]: /usr/local/lib/ruby/1.9.1/webrick/httpse 
        rver.rb:70:in `run' 
        2012-09-08T16:09:15+00:00 app[web.1]: /usr/local/lib/ruby/1.9.1/webrick/server 
        .rb:183:in `block in start_thread' 
        2012-09-08T16:09:15+00:00 app[web.1]: 
        2012-09-08T16:09:15+00:00 app[web.1]: 
        2012-09-08T16:09:15+00:00 app[web.1]: cache: [GET /] miss 
        2012-09-08T16:09:15+00:00 heroku[router]: GET limitless-cove-5100.herokuapp.com/ 
        dyno=web.1 queue=0 wait=0ms service=6ms status=500 bytes=643 
        2012-09-08T16:09:21+00:00 app[web.1]: 
        2012-09-08T16:09:21+00:00 app[web.1]: 
        2012-09-08T16:09:21+00:00 app[web.1]: Started GET "/" for 66.241.75.198 at 2012- 
        09-08 16:09:21 +0000 
        2012-09-08T16:09:21+00:00 app[web.1]: 
        2012-09-08T16:09:21+00:00 app[web.1]: ActiveRecord::ConnectionNotEstablished (Ac 
        tiveRecord::ConnectionNotEstablished): 
        2012-09-08T16:09:21+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/activereco 
        rd-3.2.1/lib/active_record/connection_adapters/abstract/connection_pool.rb:374:i 
        n `retrieve_connection' 
        2012-09-08T16:09:21+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/activereco 
        rd-3.2.1/lib/active_record/connection_adapters/abstract/connection_specification 
        .rb:168:in `retrieve_connection' 
        2012-09-08T16:09:21+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/activereco 
        rd-3.2.1/lib/active_record/connection_adapters/abstract/connection_specification 
        .rb:142:in `connection' 
        2012-09-08T16:09:21+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/activereco 
        rd-3.2.1/lib/active_record/query_cache.rb:67:in `rescue in call' 
        2012-09-08T16:09:21+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/activereco 
        rd-3.2.1/lib/active_record/query_cache.rb:61:in `call' 
        2012-09-08T16:09:21+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/activereco 
        rd-3.2.1/lib/active_record/connection_adapters/abstract/connection_pool.rb:443:i 
        n `call' 
        2012-09-08T16:09:21+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/actionpack 
        -3.2.1/lib/action_dispatch/middleware/callbacks.rb:28:in `block in call' 
        2012-09-08T16:09:21+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/activesupp 
        ort-3.2.1/lib/active_support/callbacks.rb:405:in `_run__3191546681124262833__cal 
        l__697506052572710704__callbacks' 
        2012-09-08T16:09:21+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/activesupp 
        ort-3.2.1/lib/active_support/callbacks.rb:405:in `__run_callback' 
        2012-09-08T16:09:21+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/activesupp 
        ort-3.2.1/lib/active_support/callbacks.rb:385:in `_run_call_callbacks' 
        2012-09-08T16:09:21+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/activesupp 
        ort-3.2.1/lib/active_support/callbacks.rb:81:in `run_callbacks' 
        2012-09-08T16:09:21+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/actionpack 
        -3.2.1/lib/action_dispatch/middleware/callbacks.rb:27:in `call' 
        2012-09-08T16:09:21+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/actionpack 
        -3.2.1/lib/action_dispatch/middleware/remote_ip.rb:31:in `call' 
        2012-09-08T16:09:21+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/actionpack 
        -3.2.1/lib/action_dispatch/middleware/debug_exceptions.rb:16:in `call' 
        2012-09-08T16:09:21+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/actionpack 
        -3.2.1/lib/action_dispatch/middleware/show_exceptions.rb:56:in `call' 
        2012-09-08T16:09:21+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/railties-3 
        .2.1/lib/rails/rack/logger.rb:26:in `call_app' 
        2012-09-08T16:09:21+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/railties-3 
        .2.1/lib/rails/rack/logger.rb:16:in `call' 
        2012-09-08T16:09:21+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/rack-1.4.1 
        /lib/rack/runtime.rb:17:in `call' 
        2012-09-08T16:09:21+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/activesupp 
        ort-3.2.1/lib/active_support/cache/strategy/local_cache.rb:72:in `call' 
        2012-09-08T16:09:21+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/actionpack 
        -3.2.1/lib/action_dispatch/middleware/request_id.rb:22:in `call' 
        2012-09-08T16:09:21+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/actionpack 
        -3.2.1/lib/action_dispatch/middleware/static.rb:53:in `call' 
        2012-09-08T16:09:21+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/rack-1.4.1 
        /lib/rack/methodoverride.rb:21:in `call' 
        2012-09-08T16:09:21+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/rack-1.4.1 
        /lib/rack/lock.rb:15:in `call' 
        2012-09-08T16:09:21+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/rack-cache 
        -1.2/lib/rack/cache/context.rb:136:in `forward' 
        2012-09-08T16:09:21+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/rack-cache 
        -1.2/lib/rack/cache/context.rb:245:in `fetch' 
        2012-09-08T16:09:21+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/rack-cache 
        -1.2/lib/rack/cache/context.rb:185:in `lookup' 
        2012-09-08T16:09:21+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/rack-cache 
        -1.2/lib/rack/cache/context.rb:66:in `call!' 
        2012-09-08T16:09:21+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/rack-cache 
        -1.2/lib/rack/cache/context.rb:51:in `call' 
        2012-09-08T16:09:21+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/railties-3 
        .2.1/lib/rails/engine.rb:479:in `call' 
        2012-09-08T16:09:21+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/railties-3 
        .2.1/lib/rails/application.rb:220:in `call' 
        2012-09-08T16:09:21+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/rack-1.4.1 
        /lib/rack/content_length.rb:14:in `call' 
        2012-09-08T16:09:21+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/railties-3 
        .2.1/lib/rails/rack/log_tailer.rb:14:in `call' 
        2012-09-08T16:09:21+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/rack-1.4.1 
        /lib/rack/handler/webrick.rb:59:in `service' 
        2012-09-08T16:09:21+00:00 app[web.1]: /usr/local/lib/ruby/1.9.1/webrick/httpse 
        rver.rb:111:in `service' 
        2012-09-08T16:09:21+00:00 app[web.1]: /usr/local/lib/ruby/1.9.1/webrick/httpse 
        rver.rb:70:in `run' 
        2012-09-08T16:09:21+00:00 app[web.1]: /usr/local/lib/ruby/1.9.1/webrick/server 
        .rb:183:in `block in start_thread' 
        2012-09-08T16:09:21+00:00 app[web.1]: 
        2012-09-08T16:09:21+00:00 app[web.1]: 
        2012-09-08T16:09:21+00:00 app[web.1]: cache: [GET /] miss 
        2012-09-08T16:09:21+00:00 heroku[router]: GET limitless-cove-5100.herokuapp.com/ 
        dyno=web.1 queue=0 wait=0ms service=7ms status=500 bytes=643 
        2012-09-08T16:09:22+00:00 app[web.1]: cache: [GET /favicon.ico] miss, store 
        2012-09-08T16:09:22+00:00 heroku[router]: GET limitless-cove-5100.herokuapp.com/ 
        favicon.ico dyno=web.1 queue=0 wait=0ms service=31ms status=200 bytes=0 
        2012-09-08T16:09:22+00:00 app[web.1]: 
        2012-09-08T16:09:22+00:00 app[web.1]: 
        2012-09-08T16:09:22+00:00 app[web.1]: Started GET "/apple-touch-icon-precomposed 
        .png" for 66.241.75.198 at 2012-09-08 16:09:22 +0000 
        2012-09-08T16:09:22+00:00 app[web.1]: 
        2012-09-08T16:09:22+00:00 app[web.1]: ActiveRecord::ConnectionNotEstablished (Ac 
        tiveRecord::ConnectionNotEstablished): 
        2012-09-08T16:09:22+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/activereco 
        rd-3.2.1/lib/active_record/connection_adapters/abstract/connection_pool.rb:374:i 
        n `retrieve_connection' 
        2012-09-08T16:09:22+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/activereco 
        rd-3.2.1/lib/active_record/connection_adapters/abstract/connection_specification 
        .rb:168:in `retrieve_connection' 
        2012-09-08T16:09:22+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/activereco 
        rd-3.2.1/lib/active_record/connection_adapters/abstract/connection_specification 
        .rb:142:in `connection' 
        2012-09-08T16:09:22+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/activereco 
        rd-3.2.1/lib/active_record/query_cache.rb:67:in `rescue in call' 
        2012-09-08T16:09:22+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/activereco 
        rd-3.2.1/lib/active_record/query_cache.rb:61:in `call' 
        2012-09-08T16:09:22+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/activereco 
        rd-3.2.1/lib/active_record/connection_adapters/abstract/connection_pool.rb:443:i 
        n `call' 
        2012-09-08T16:09:22+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/actionpack 
        -3.2.1/lib/action_dispatch/middleware/callbacks.rb:28:in `block in call' 
        2012-09-08T16:09:22+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/activesupp 
        ort-3.2.1/lib/active_support/callbacks.rb:405:in `_run__3191546681124262833__cal 
        l__697506052572710704__callbacks' 
        2012-09-08T16:09:22+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/activesupp 
        ort-3.2.1/lib/active_support/callbacks.rb:405:in `__run_callback' 
        2012-09-08T16:09:22+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/activesupp 
        ort-3.2.1/lib/active_support/callbacks.rb:385:in `_run_call_callbacks' 
        2012-09-08T16:09:22+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/activesupp 
        ort-3.2.1/lib/active_support/callbacks.rb:81:in `run_callbacks' 
        2012-09-08T16:09:22+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/actionpack 
        -3.2.1/lib/action_dispatch/middleware/callbacks.rb:27:in `call' 
        2012-09-08T16:09:22+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/actionpack 
        -3.2.1/lib/action_dispatch/middleware/remote_ip.rb:31:in `call' 
        2012-09-08T16:09:22+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/actionpack 
        -3.2.1/lib/action_dispatch/middleware/debug_exceptions.rb:16:in `call' 
        2012-09-08T16:09:22+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/actionpack 
        -3.2.1/lib/action_dispatch/middleware/show_exceptions.rb:56:in `call' 
        2012-09-08T16:09:22+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/railties-3 
        .2.1/lib/rails/rack/logger.rb:26:in `call_app' 
        2012-09-08T16:09:22+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/railties-3 
        .2.1/lib/rails/rack/logger.rb:16:in `call' 
        2012-09-08T16:09:22+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/actionpack 
        -3.2.1/lib/action_dispatch/middleware/request_id.rb:22:in `call' 
        2012-09-08T16:09:22+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/rack-1.4.1 
        /lib/rack/methodoverride.rb:21:in `call' 
        2012-09-08T16:09:22+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/rack-1.4.1 
        /lib/rack/runtime.rb:17:in `call' 
        2012-09-08T16:09:22+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/activesupp 
        ort-3.2.1/lib/active_support/cache/strategy/local_cache.rb:72:in `call' 
        2012-09-08T16:09:22+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/rack-1.4.1 
        /lib/rack/lock.rb:15:in `call' 
        2012-09-08T16:09:22+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/actionpack 
        -3.2.1/lib/action_dispatch/middleware/static.rb:53:in `call' 
        2012-09-08T16:09:22+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/rack-cache 
        -1.2/lib/rack/cache/context.rb:136:in `forward' 
        2012-09-08T16:09:22+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/rack-cache 
        -1.2/lib/rack/cache/context.rb:245:in `fetch' 
        2012-09-08T16:09:22+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/rack-cache 
        -1.2/lib/rack/cache/context.rb:185:in `lookup' 
        2012-09-08T16:09:22+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/rack-cache 
        -1.2/lib/rack/cache/context.rb:66:in `call!' 
        2012-09-08T16:09:22+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/railties-3 
        .2.1/lib/rails/engine.rb:479:in `call' 
        2012-09-08T16:09:22+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/rack-cache 
        -1.2/lib/rack/cache/context.rb:51:in `call' 
        2012-09-08T16:09:22+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/railties-3 
        .2.1/lib/rails/application.rb:220:in `call' 
        2012-09-08T16:09:22+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/rack-1.4.1 
        /lib/rack/content_length.rb:14:in `call' 
        2012-09-08T16:09:22+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/railties-3 
        .2.1/lib/rails/rack/log_tailer.rb:14:in `call' 
        2012-09-08T16:09:22+00:00 app[web.1]: vendor/bundle/ruby/1.9.1/gems/rack-1.4.1 
        /lib/rack/handler/webrick.rb:59:in `service' 
        2012-09-08T16:09:22+00:00 app[web.1]: /usr/local/lib/ruby/1.9.1/webrick/httpse 
        rver.rb:111:in `service' 
        2012-09-08T16:09:22+00:00 app[web.1]: /usr/local/lib/ruby/1.9.1/webrick/httpse 
        rver.rb:70:in `run' 
        2012-09-08T16:09:22+00:00 app[web.1]: /usr/local/lib/ruby/1.9.1/webrick/server 
        .rb:183:in `block in start_thread' 
        2012-09-08T16:09:22+00:00 app[web.1]: 
        2012-09-08T16:09:22+00:00 app[web.1]: 
        2012-09-08T16:09:22+00:00 app[web.1]: cache: [GET /apple-touch-icon-precomposed. 
        png] miss 
        2012-09-08T16:09:22+00:00 heroku[router]: GET limitless-cove-5100.herokuapp.com/ 
        apple-touch-icon-precomposed.png dyno=web.1 queue=0 wait=0ms service=6ms status= 
        500 bytes=643

來源

2012-09-08 John Smith

該部分日誌沒有錯誤。查找ruby stack跟蹤 – house9

您可能想要發佈一些實際的代碼，如果您部署了一些中斷的邏輯，那麼日誌消息並不是那麼有用。 – bojo

我添加了整個日誌 –

確保您Gemfile是有

gem 'pg', :group => :production

由於heroku在Postgres上運行，它需要適配器。如果不添加它並重新綁定並推送您的Gemfile和Gemfile.lock並重新部署

來源

2012-09-08 16:44:56 AnkitG

當在heroku上部署網站時出現錯誤

回答

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