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我是一个完全的红宝石菜鸟，所以请原谅我的错误。

我在 Ubuntu 14.04 上安装 Apphera（社交网络爬虫），当我尝试启动 ruby​​ 服务器时出现此错误

ankit@APPSERVER:/home/deployer/apphera$ rails s
/usr/lib/ruby/gems/1.9.1/gems/less-2.2.1/lib/less/java_script/v8_context.rb:61:in `rescue in lock': uninitialized constant V8::JSError (NameError)
    from /usr/lib/ruby/gems/1.9.1/gems/less-2.2.1/lib/less/java_script/v8_context.rb:60:in `lock'
    from /usr/lib/ruby/gems/1.9.1/gems/less-2.2.1/lib/less/java_script/v8_context.rb:19:in `initialize'
    from /usr/lib/ruby/gems/1.9.1/gems/less-2.2.1/lib/less/java_script/v8_context.rb:15:in `new'
    from /usr/lib/ruby/gems/1.9.1/gems/less-2.2.1/lib/less/java_script/v8_context.rb:15:in `instance'
    from /usr/lib/ruby/gems/1.9.1/gems/less-2.2.1/lib/less/loader.rb:10:in `initialize'
    from /usr/lib/ruby/gems/1.9.1/gems/less-2.2.1/lib/less.rb:14:in `new'
    from /usr/lib/ruby/gems/1.9.1/gems/less-2.2.1/lib/less.rb:14:in `<module:Less>'
    from /usr/lib/ruby/gems/1.9.1/gems/less-2.2.1/lib/less.rb:9:in `<top (required)>'
    from /usr/lib/ruby/gems/1.9.1/gems/bundler-1.7.9/lib/bundler/runtime.rb:76:in `require'
    from /usr/lib/ruby/gems/1.9.1/gems/bundler-1.7.9/lib/bundler/runtime.rb:76:in `block (2 levels) in require'
    from /usr/lib/ruby/gems/1.9.1/gems/bundler-1.7.9/lib/bundler/runtime.rb:72:in `each'
    from /usr/lib/ruby/gems/1.9.1/gems/bundler-1.7.9/lib/bundler/runtime.rb:72:in `block in require'
    from /usr/lib/ruby/gems/1.9.1/gems/bundler-1.7.9/lib/bundler/runtime.rb:61:in `each'
    from /usr/lib/ruby/gems/1.9.1/gems/bundler-1.7.9/lib/bundler/runtime.rb:61:in `require'
    from /usr/lib/ruby/gems/1.9.1/gems/bundler-1.7.9/lib/bundler.rb:134:in `require'
    from /home/deployer/apphera/config/application.rb:16:in `<top (required)>'
    from /usr/lib/ruby/gems/1.9.1/gems/railties-3.2.7/lib/rails/commands.rb:53:in `require'
    from /usr/lib/ruby/gems/1.9.1/gems/railties-3.2.7/lib/rails/commands.rb:53:in `block in <top (required)>'
    from /usr/lib/ruby/gems/1.9.1/gems/railties-3.2.7/lib/rails/commands.rb:50:in `tap'
    from /usr/lib/ruby/gems/1.9.1/gems/railties-3.2.7/lib/rails/commands.rb:50:in `<top (required)>'
    from script/rails:6:in `require'
    from script/rails:6:in `<main>'

我知道这个问题与系统上的 JS 环境有关，我尝试安装节点，但错误是一样的。我几乎尝试了 SO 上提到的所有解决方案，但对我没有任何效果。

以下是有关我的安装的一些具体细节：

  • 红宝石：1.9.1
  • 宝石-v：2.4.5
  • 宝石清单 | grep libv8 --> libv8 3.16.14.7
  • 宝石清单 | grep therubyracer --> therubyracer 0.12.1

我尝试手动安装 therubyracer/libv8 并使用 bundle install 安装，但没有成功。我什至对我的 gemfile/Gemfile.lock 进行了更改，但是，再一次，没有任何效果。

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