未初始化的常量V8 :: JSError（NameError）

Question

當我嘗試運行我的RoR應用程序時出現此錯誤。 rails server後，該錯誤會出現：

未初始化的常量V8 :: JSError（NameError）

E:\Toan\tnkadmin>rails server 
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/less-2.4.0/lib/less/java_sc 
ript/v8_context.rb:61:in `rescue in lock': uninitialized constant V8::JSError (N 
ameError) 
     from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/less-2.4.0/lib 
/less/java_script/v8_context.rb:60:in `lock' 
     from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/less-2.4.0/lib 
/less/java_script/v8_context.rb:19:in `initialize' 
     from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/less-2.4.0/lib 
/less/java_script/v8_context.rb:15:in `new' 
     from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/less-2.4.0/lib 
/less/java_script/v8_context.rb:15:in `instance' 
     from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/less-2.4.0/lib 
/less/loader.rb:13:in `initialize' 
     from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/less-2.4.0/lib 
/less.rb:14:in `new' 
     from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/less-2.4.0/lib 
/less.rb:14:in `<module:Less>' 
     from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/less-2.4.0/lib 
/less.rb:9:in `<top (required)>' 
     from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/less-rails-2.4 
.2/lib/less/rails.rb:6:in `require' 
     from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/less-rails-2.4 
.2/lib/less/rails.rb:6:in `<top (required)>' 
     from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/less-rails-2.4 
.2/lib/less-rails.rb:1:in `require' 
     from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/less-rails-2.4 
.2/lib/less-rails.rb:1:in `<top (required)>' 
     from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/bundler-1.3.5/ 
lib/bundler/runtime.rb:72:in `require' 
     from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/bundler-1.3.5/ 
lib/bundler/runtime.rb:72:in `block (2 levels) in require' 
     from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/bundler-1.3.5/ 
lib/bundler/runtime.rb:70:in `each' 
     from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/bundler-1.3.5/ 
lib/bundler/runtime.rb:70:in `block in require' 
     from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/bundler-1.3.5/ 
lib/bundler/runtime.rb:59:in `each' 
     from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/bundler-1.3.5/ 
lib/bundler/runtime.rb:59:in `require' 
     from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/bundler-1.3.5/ 
lib/bundler.rb:132:in `require' 
     from E:/Toan/tnkadmin/config/application.rb:5:in `<top (required)>' 
     from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.0.1 
/lib/rails/commands.rb:74:in `require' 
     from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.0.1 
/lib/rails/commands.rb:74:in `block in <top (required)>' 
     from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.0.1 
/lib/rails/commands.rb:71:in `tap' 
     from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.0.1 
/lib/rails/commands.rb:71:in `<top (required)>' 
     from script/rails:6:in `require' 
     from script/rails:6:in `<main>' 

這是我的Gemfile

source 'https://rubygems.org' 
ruby '2.0.0' 

gem 'rails', '~> 4.0.0' 
#gem 'rails', '3.2.9' 

gem 'thin' 
gem 'haml' 
gem 'jquery-rails' 
gem 'i18n' 
gem 'exception_notification' 

# To use ActiveModel has_secure_password 

# Gems used only for assets and not required 
# in production environments by default. 
group :assets do 
    gem 'sass-rails', '~> 4.0.0' 
    gem 'coffee-rails', '~> 4.0.0' 
    gem 'uglifier', '>= 1.0.3' 
    gem 'less-rails' 
    gem 'execjs' 
    #gem 'twitter-bootstrap-rails' 
    if RUBY_PLATFORM =~ /mingw/ 
    gem 'therubyracer', path: 'lib/therubyracer-0.11.0beta1-x86-mingw32' 
    gem 'libv8', '3.3.10.4' 
    else 
    gem 'therubyracer', platforms: 'ruby' 
    end 
end 

# gem 'bcrypt-ruby', '~> 3.0.0' 

# To use Jbuilder templates for JSON 
# gem 'jbuilder' 

# Use unicorn as the app server 
# gem 'unicorn' 

# Deploy with Capistrano 
# gem 'capistrano' 

# To use debugger 

group :test, :development do 
    gem 'sqlite3' 
    gem 'haml-rails' 
    gem 'rspec-rails' 
    gem 'factory_girl' 
    gem 'factory_girl_rails' 
    gem 'capybara' 
    gem 'database_cleaner' 
end 

group :test do 
    gem 'cucumber-rails' 
# gem 'mysql2' 
end 

group :production do 
    gem 'rails_log_stdout',   github: 'heroku/rails_log_stdout' 
    gem 'rails3_serve_static_assets', github: 'heroku/rails3_serve_static_assets' 
# gem 'activerecord-postgresql-adapter' 
    gem 'pg' 
    gem 'newrelic_rpm' 

end 

#gem 'execjs' 

#gem 'node' 

有誰知道如何解決它？

Answer 1

從當前行刪除此gem 'therubyracer and gem 'libv8', '3.3.10.4''並將其添加到gem 'exception_notification'. is this以下，如果RUBY_PLATFORM =〜/ mingw /`驗證？檢查是否安裝了rubyracer寶石。運行捆綁並查看問題是否存在