In my application I have used ruby 1.9.2 and rails 3.0.3 and have also installed Devise gem.The problem begins when I run the Webrick server I get uninitialized constant Devise name Error.In my application I have used ruby 1.9.2 and ra
阅读背景：
为什么我在运行webrick服务器时会得到未初始化的常量设计名称错误？
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