红宝石在轨错误rake db：create

问题描述

| 我一直在使用ruby on rails没问题，现在每次运行rake db：create时突然出现以下错误：

C:\\>cd xampp

C:\\xampp>cd htdocs

C:\\xampp\\htdocs>cd what

C:\\xampp\\htdocs\\what>rake db:create
rake aborted!
undefined method `task\' for #<What::Application:0x20eb1e0>

(See full trace by running task with --trace)

C:\\xampp\\htdocs\\what>

有任何帮助吗？ 这是我所有的命令

   C:\\xampp\\htdocs\\comeon>rake db:create --trace
rake aborted!
undefined method `task\' for #<Comeon::Application:0x211fb30>
C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.7/lib/rails/application.rb:215:
in `initialize_tasks\'
C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.7/lib/rails/application.rb:139:
in `load_tasks\'
C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.7/lib/rails/application.rb:77:i
n `method_missing\'
C:/xampp/htdocs/comeon/Rakefile:7:in `<top (required)>\'
C:/Ruby192/lib/ruby/gems/1.9.1/gems/rake-0.9.0/lib/rake/rake_module.rb:25:in `lo
ad\'
C:/Ruby192/lib/ruby/gems/1.9.1/gems/rake-0.9.0/lib/rake/rake_module.rb:25:in `lo
ad_rakefile\'
C:/Ruby192/lib/ruby/gems/1.9.1/gems/rake-0.9.0/lib/rake/application.rb:495:in `r
aw_load_rakefile\'
C:/Ruby192/lib/ruby/gems/1.9.1/gems/rake-0.9.0/lib/rake/application.rb:78:in `bl
ock in load_rakefile\'
C:/Ruby192/lib/ruby/gems/1.9.1/gems/rake-0.9.0/lib/rake/application.rb:129:in `s
tandard_exception_handling\'
C:/Ruby192/lib/ruby/gems/1.9.1/gems/rake-0.9.0/lib/rake/application.rb:77:in `lo
ad_rakefile\'
C:/Ruby192/lib/ruby/gems/1.9.1/gems/rake-0.9.0/lib/rake/application.rb:61:in `bl
ock in run\'
C:/Ruby192/lib/ruby/gems/1.9.1/gems/rake-0.9.0/lib/rake/application.rb:129:in `s
tandard_exception_handling\'
C:/Ruby192/lib/ruby/gems/1.9.1/gems/rake-0.9.0/lib/rake/application.rb:59:in `ru
n\'
C:/Ruby192/lib/ruby/gems/1.9.1/gems/rake-0.9.0/bin/rake:31:in `<top (required)>\'

C:/Ruby192/bin/rake:19:in `load\'
C:/Ruby192/bin/rake:19:in `<main>\'

    

解决方法

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