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Unix ベースの OS から始めたばかりです Windows(dos) と同じ基本的なチュートリアルを実行するために RVM をインストールしましたが、エラーが発生しました。ルート/ユーザー シェルで同じ作業をしようとしましたが、実行しても同じですrails server私はこのメッセージを受け取ります：

/usr/local/rvm/gems/ruby-2.0.0-p247/gems/execjs-2.0.1/lib/execjs/runtimes.rb:51:in `autodetect': Could not find a JavaScript runtime. See https://github.com/sstephenson/execjs for a list of available runtimes. (ExecJS::RuntimeUnavailable)
    from /usr/local/rvm/gems/ruby-2.0.0-p247/gems/execjs-2.0.1/lib/execjs.rb:5:in `<module:ExecJS>'
    from /usr/local/rvm/gems/ruby-2.0.0-p247/gems/execjs-2.0.1/lib/execjs.rb:4:in `<top (required)>'
    from /usr/local/rvm/gems/ruby-2.0.0-p247/gems/uglifier-2.2.1/lib/uglifier.rb:3:in `require'
    from /usr/local/rvm/gems/ruby-2.0.0-p247/gems/uglifier-2.2.1/lib/uglifier.rb:3:in `<top (required)>'
    from /usr/local/rvm/gems/ruby-2.0.0-p247/gems/bundler-1.3.5/lib/bundler/runtime.rb:72:in `require'
    from /usr/local/rvm/gems/ruby-2.0.0-p247/gems/bundler-1.3.5/lib/bundler/runtime.rb:72:in `block (2 levels) in require'
    from /usr/local/rvm/gems/ruby-2.0.0-p247/gems/bundler-1.3.5/lib/bundler/runtime.rb:70:in `each'
    from /usr/local/rvm/gems/ruby-2.0.0-p247/gems/bundler-1.3.5/lib/bundler/runtime.rb:70:in `block in require'
    from /usr/local/rvm/gems/ruby-2.0.0-p247/gems/bundler-1.3.5/lib/bundler/runtime.rb:59:in `each'
    from /usr/local/rvm/gems/ruby-2.0.0-p247/gems/bundler-1.3.5/lib/bundler/runtime.rb:59:in `require'
    from /usr/local/rvm/gems/ruby-2.0.0-p247/gems/bundler-1.3.5/lib/bundler.rb:132:in `require'
    from /home/raul/blog/config/application.rb:7:in `<top (required)>'
    from /usr/local/rvm/gems/ruby-2.0.0-p247/gems/railties-4.0.0/lib/rails/commands.rb:76:in `require'
    from /usr/local/rvm/gems/ruby-2.0.0-p247/gems/railties-4.0.0/lib/rails/commands.rb:76:in `block in <top (required)>'
    from /usr/local/rvm/gems/ruby-2.0.0-p247/gems/railties-4.0.0/lib/rails/commands.rb:73:in `tap'
    from /usr/local/rvm/gems/ruby-2.0.0-p247/gems/railties-4.0.0/lib/rails/commands.rb:73:in `<top (required)>'
    from bin/rails:4:in `require'
    from bin/rails:4:in `<main>'

gem コマンドを見直したところ、ドームの問題も発見されました。Execjs は、私のマシンに数回インストールされていroot->userます。これは私が得るものですgem check:

json-1.8.0.gem has 12 problems
  ext/json/ext/generator/.RUBYARCHDIR.time:
    Extra file
  ext/json/ext/generator/Makefile:
    Extra file
  ext/json/ext/generator/generator.o:
    Extra file
  ext/json/ext/generator/generator.so:
    Extra file
  ext/json/ext/generator/siteconf20130920-14093-1b8hzo9.rb:
    Extra file
  ext/json/ext/parser/.RUBYARCHDIR.time:
    Extra file
  ext/json/ext/parser/Makefile:
    Extra file
  ext/json/ext/parser/parser.o:
    Extra file
  ext/json/ext/parser/parser.so:
    Extra file
  ext/json/ext/parser/siteconf20130920-14093-zefm93.rb:
    Extra file
  lib/json/ext/generator.so:
    Extra file
  lib/json/ext/parser.so:
    Extra file
4

2 に答える 2

1

ノードのインストール

sudo apt-get install nodejs

に続く

gem install execjs

またはgem 'execjs'、gemfile に入れるだけです。

編集:編集とコメントに基づいて回答を編集しています。

于 2013-09-22T01:18:03.343 に答える