ruby - Could not find gem 'jquery-rails (>= 0, runtime)' in any of the gem sources listed in your Gemfile. Trying to start rails server -

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स्रोत: 

  मणि 'रेल', '3.1.0' # बंडल किनारे रेल इसके बजाय: # मणि 'रेल',: git = & gt; 'Git: //github.com/rails/rails.git' gem 'sqlite3' gem 'json' # रत्न केवल परिसंपत्तियों के लिए उपयोग किया जाता है और आवश्यक नहीं # उत्पादन वातावरण में डिफ़ॉल्ट रूप से समूह: परिसंपत्तियां मणि 'sass-rails', "~> 3.1.0" मणि 'कॉफी-रेल', '~ & gt; 3.1.0' मणि 'यूगलफायर' अंत मणि 'jquery-rails' # के रूप में गेंडा का प्रयोग करें वेब सर्वर # मणि यूनिकॉर्न # # कैपिस्ट्रानो के साथ # तैनाती # मणि 'कैप्स्ट्रिनो' # डीबगर # मणि 'रूबी-डीबग' का उपयोग करने के लिए   
 क्या किसी के पास यहां कोई विचार है? हां, मैंने  बंडल इंस्टॉल  की कोशिश की।   
 
 
 आपने किसी भी स्रोत को घोषित नहीं किया है फ़ाइल के शीर्ष पर  <पूर्व>  स्रोत "http://rubygems.org"   
 जोड़ें (या, यदि आपके प्रश्न के शीर्ष पर उस पंक्ति वास्तव में फाइल में है, इसे ठीक उसी तरह संशोधित करें)।

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