無法啓動Rails的服務器連接，因爲活動記錄的Postgres的：連接未建立

I have installed ruby 1.9.3-p327, and my databse is postgres.I modified the database.yml page also..as:evelopment:

適配器：在PostgreSQL數據庫：db_pchamara 用戶名：db_test_user 密碼：密碼主機：192.168.1.101 池：5無法啓動Rails的服務器連接，因爲活動記錄的Postgres的：連接未建立

測試：適配器：在PostgreSQL數據庫：db_pchamara.test 用戶名：db_test_user 密碼：密碼主機：192.168.1.101 池：5

生產：適配器：在PostgreSQL數據庫：db_pchamara 用戶名：db_test_user 密碼：密碼主機：192.168.1.101 池：5 。但我面臨的問題是，當我運行rails server它顯示了以下錯誤：它不是ocnnecting到postgre分貝..

但如果運行ruby文件，它從數據庫中獲取數據：幫助我，......

ActiveRecord::ConnectionNotEstablished (ActiveRecord::ConnectionNotEstablished): 
    activerecord (3.2.9) lib/active_record/connection_adapters/abstract/connection_pool.rb:410:in `retrieve_connection' 
    activerecord (3.2.9) lib/active_record/connection_adapters/abstract/connection_specification.rb:171:in `retrieve_connection' 
    activerecord (3.2.9) lib/active_record/connection_adapters/abstract/connection_specification.rb:145:in `connection' 
    activerecord (3.2.9) lib/active_record/query_cache.rb:67:in `rescue in call' 
    activerecord (3.2.9) lib/active_record/query_cache.rb:61:in `call' 
    activerecord (3.2.9) lib/active_record/connection_adapters/abstract/connection_pool.rb:479:in `call' 
    actionpack (3.2.9) lib/action_dispatch/middleware/callbacks.rb:28:in `block in call' 
    activesupport (3.2.9) lib/active_support/callbacks.rb:405:in `_run__241814793__call__597619238__callbacks' 
    activesupport (3.2.9) lib/active_support/callbacks.rb:405:in `__run_callback' 
    activesupport (3.2.9) lib/active_support/callbacks.rb:385:in `_run_call_callbacks' 
    activesupport (3.2.9) lib/active_support/callbacks.rb:81:in `run_callbacks' 
    actionpack (3.2.9) lib/action_dispatch/middleware/callbacks.rb:27:in `call' 
    actionpack (3.2.9) lib/action_dispatch/middleware/reloader.rb:65:in `call' 
    actionpack (3.2.9) lib/action_dispatch/middleware/remote_ip.rb:31:in `call' 
    actionpack (3.2.9) lib/action_dispatch/middleware/debug_exceptions.rb:16:in `call' 
    actionpack (3.2.9) lib/action_dispatch/middleware/show_exceptions.rb:56:in `call' 
    railties (3.2.9) lib/rails/rack/logger.rb:32:in `call_app' 
    railties (3.2.9) lib/rails/rack/logger.rb:16:in `block in call' 
    activesupport (3.2.9) lib/active_support/tagged_logging.rb:22:in `tagged' 
    railties (3.2.9) lib/rails/rack/logger.rb:16:in `call' 
    actionpack (3.2.9) lib/action_dispatch/middleware/request_id.rb:22:in `call' 
    rack (1.4.1) lib/rack/methodoverride.rb:21:in `call' 
    rack (1.4.1) lib/rack/runtime.rb:17:in `call' 
    activesupport (3.2.9) lib/active_support/cache/strategy/local_cache.rb:72:in `call' 
    rack (1.4.1) lib/rack/lock.rb:15:in `call' 
    actionpack (3.2.9) lib/action_dispatch/middleware/static.rb:62:in `call' 
    railties (3.2.9) lib/rails/engine.rb:479:in `call' 
    railties (3.2.9) lib/rails/application.rb:223:in `call' 
    rack (1.4.1) lib/rack/content_length.rb:14:in `call' 
    railties (3.2.9) lib/rails/rack/log_tailer.rb:17:in `call' 
    rack (1.4.1) lib/rack/handler/webrick.rb:59:in `service' 
    /usr/local/rvm/rubies/ruby-1.9.3-p327/lib/ruby/1.9.1/webrick/httpserver.rb:138:in `service' 
    /usr/local/rvm/rubies/ruby-1.9.3-p327/lib/ruby/1.9.1/webrick/httpserver.rb:94:in `run' 
    /usr/local/rvm/rubies/ruby-1.9.3-p327/lib/ruby/1.9.1/webrick/server.rb:191:in `block in start_thread' 


    Rendered /usr/local/rvm/gems/ruby-1.9.3-p327/gems/actionpack-3.2.9/lib/action_dispatch/middleware/templates/rescues/_trace.erb (1.4ms) 
    Rendered /usr/local/rvm/gems/ruby-1.9.3-p327/gems/actionpack-3.2.9/lib/action_dispatch/middleware/templates/rescues/_request_and_response.erb (0.9ms) 
    Rendered /usr/local/rvm/gems/ruby-1.9.3-p327/gems/actionpack-3.2.9/lib/action_dispatch/middleware/templates/rescues/diagnostics.erb within rescues/layout (9.6ms) 



This is my gemfile.lock 

Gems included by the bundle: 
    * actionmailer (3.2.9) 
    * actionpack (3.2.9) 
    * activemodel (3.2.9) 
    * activerecord (3.2.9) 
    * activeresource (3.2.9) 
    * activesupport (3.2.9) 
    * arel (3.0.2) 
    * builder (3.0.4) 
    * bundler (1.2.3) 
    * coffee-rails (3.2.2) 
    * coffee-script (2.2.0) 
    * coffee-script-source (1.4.0) 
    * erubis (2.7.0) 
    * execjs (1.4.0) 
    * hike (1.2.1) 
    * i18n (0.6.1) 
    * journey (1.0.4) 
    * jquery-rails (2.1.4) 
    * json (1.7.5) 
    * mail (2.4.4) 
    * mime-types (1.19) 
    * multi_json (1.4.0) 
    * pg (0.14.1) 
    * polyglot (0.3.3) 
    * rack (1.4.1) 
    * rack-cache (1.2) 
    * rack-ssl (1.3.2) 
    * rack-test (0.6.2) 
    * rails (3.2.9) 
    * railties (3.2.9) 
    * rake (10.0.2) 
    * rdoc (3.12) 
    * sass (3.2.3) 
    * sass-rails (3.2.5) 
    * sprockets (2.2.2) 
    * thor (0.16.0) 
    * tilt (1.3.3) 
    * treetop (1.4.12) 
    * tzinfo (0.3.35) 
    * uglifier (1.3.0)

來源

2012-12-04 Pavan Kumar

有關使用RVM可在RVM與OpenSSL的編譯。 io/packages/openssl – 2012-12-04 13:14:35

我懷疑這個問題與SSL無關（我可能是錯的）。我敢打賭，在你的開發環境中，你的數據庫。yml被配置爲使用SQLLite，可能您的Gemfile引用了sqllite進行開發。您應該使用bundler（而不是'gem install'）來管理您的rails應用程序的gem依賴項。如果你沒有這樣做，那麼你可能會有一個困惑的應用程序。 –

這可能是一個問題。您正在使用postgressql數據庫，但通過bundler安裝sqlite3。另外你的database.yml應該與你正在使用的數據庫具有相同的數據庫設置，同樣應該在你的gemfile中爲bundler。更新它，然後看看會發生什麼。 –

如果妳正面臨這種類型的錯誤u必須檢查三個文件的..

1.database.yml 2. pg_hba.conf的PostgreSQL中lib目錄下。 3.如果你在遠程機器上工作，我們必須將我們的主機ip包含到database.yml文件中......

創建項目時使用他的命令知道服務器你將使用postgresql ..

「軌新的演示--database = PostgreSQL的

那麼只有PG寶石文件將得到負荷捆綁..

來到pg_hba.conf文件編輯爲信任它是MD5 。它會在你的IP地址附近。

MD5-需要輸入密碼才能連接到數據庫取信不要問一個密碼

確保您的database.yml文件是正確的

來源

2012-12-08 08:02:23

檢查位於應用程序目錄根目錄中的Gemfile。

刪除gem'sqlite'並添加gem'pg'，然後保存。運行軟件包安裝

安裝gem的最佳方式是將它們添加到gem文件並運行軟件包安裝。不建議運行「gem install - 」

您還需要修改位於config文件夾中的database.yml並進行必要的調整以運行pg。

來源

2012-12-04 18:45:34

一切都完成了..但我確實在某處錯誤..服務器沒有連接到數據庫 –

你得到的錯誤是什麼？您可以下載Navicat以確保您的數據庫已創建。 –

我的數據庫在另一個ip ..我必須在遠程機器上工作..所以我不能下載一切亞爾 –

無法啓動Rails的服務器連接，因爲活動記錄的Postgres的：連接未建立

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