{"image_url":null,"url":"https://mcommit.hatenadiary.com/entry/2014/08/23/081154","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmcommit.hatenadiary.com%2Fentry%2F2014%2F08%2F23%2F081154\" title=\"Rails4\u3067rails s\u3057\u305f\u3089 undefined method &#39;configure&#39;\u3063\u3066\u51fa\u308b\u3068\u304d - simotin13&#39;s message\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_url":"https://blog.hatena.ne.jp/simotin13/","type":"rich","blog_url":"https://mcommit.hatenadiary.com/","title":"Rails4\u3067rails s\u3057\u305f\u3089 undefined method 'configure'\u3063\u3066\u51fa\u308b\u3068\u304d","height":"190","version":"1.0","provider_name":"Hatena Blog","author_name":"simotin13","categories":["RubyOnRails"],"blog_title":"simotin13's message","description":"gem - Error launching Rails server: undefined method 'configure' - Stack Overflow\u5bfe\u51e6\u6cd5\u306f\u4e0a\u8a18\u306e\u8a18\u4e8b\u306b\u66f8\u304b\u308c\u3066\u3044\u307e\u3059\u3002\u305d\u3082\u305d\u3082\u3069\u3046\u3044\u3063\u305f\u5834\u5408\u306b\u3053\u308c\u304c\u51fa\u308b\u304b\u3063\u3066\u8a00\u3046\u3068\u3001 rails 4.1.x \u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u305f\u72b6\u614b\u3067\u3001Gemfile\u5185\u3067 gem 'rails', '4.0.x'\u307f\u305f\u3044\u306a\u3053\u3068\u3092\u3059\u308b\u3068\u8d77\u3053\u308b\u307f\u305f\u3044\u3067\u3059\u3002 \u6700\u521d\u306brails new \u3057\u305f\u6642\u306bconfig/enviroments\u4ee5\u4e0b\u306b\u751f\u6210\u3055\u308c\u308b\u30b3\u30fc\u30c9\u304crails4.1\u7cfb\u5411\u3051\u306b \u306a\u3063\u3066\u3044\u308b\u3068\u3044\u3046\u3053\u3068\u304b\u3068\u601d\u3044\u307e\u3059\u3002\u3068\u3044\u3046\u308f\u3051\u3067rails4.1\u7cfb\u3092\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u2026","width":"100%","published":"2014-08-23 08:11:54"}