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经过几次尝试解决这个问题（安装了rubyracer，更新了gems），我仍然无法运行服务器。我在新安装的 ubuntu 12.04 上，使用 ruby​​ 2.0.0-p247 和 rails 4.0.0

/home/janharold/.rvm/gems/ruby-2.0.0-p247/gems/execjs-1.4.0/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 /home/janharold/.rvm/gems/ruby-2.0.0-p247/gems/execjs-1.4.0/lib/execjs.rb:5:in `<module:ExecJS>'
from /home/janharold/.rvm/gems/ruby-2.0.0-p247/gems/execjs-1.4.0/lib/execjs.rb:4:in `<top (required)>'
from /home/janharold/.rvm/gems/ruby-2.0.0-p247/gems/uglifier-2.1.2/lib/uglifier.rb:3:in `require'
from /home/janharold/.rvm/gems/ruby-2.0.0-p247/gems/uglifier-2.1.2/lib/uglifier.rb:3:in `<top (required)>'
from /home/janharold/.rvm/gems/ruby-2.0.0-p247/gems/bundler-1.3.5/lib/bundler/runtime.rb:72:in `require'
from /home/janharold/.rvm/gems/ruby-2.0.0-p247/gems/bundler-1.3.5/lib/bundler/runtime.rb:72:in `block (2 levels) in require'
from /home/janharold/.rvm/gems/ruby-2.0.0-p247/gems/bundler-1.3.5/lib/bundler/runtime.rb:70:in `each'
from /home/janharold/.rvm/gems/ruby-2.0.0-p247/gems/bundler-1.3.5/lib/bundler/runtime.rb:70:in `block in require'
from /home/janharold/.rvm/gems/ruby-2.0.0-p247/gems/bundler-1.3.5/lib/bundler/runtime.rb:59:in `each'
from /home/janharold/.rvm/gems/ruby-2.0.0-p247/gems/bundler-1.3.5/lib/bundler/runtime.rb:59:in `require'
from /home/janharold/.rvm/gems/ruby-2.0.0-p247/gems/bundler-1.3.5/lib/bundler.rb:132:in `require'
from /home/janharold/GIT Repositories/treebook/config/application.rb:7:in `<top (required)>'
from /home/janharold/.rvm/gems/ruby-2.0.0-p247/gems/railties-4.0.0/lib/rails/commands.rb:76:in `require'
from /home/janharold/.rvm/gems/ruby-2.0.0-p247/gems/railties-4.0.0/lib/rails/commands.rb:76:in `block in <top (required)>'
from /home/janharold/.rvm/gems/ruby-2.0.0-p247/gems/railties-4.0.0/lib/rails/commands.rb:73:in `tap'
from /home/janharold/.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>'
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1 回答 1

1

显然，通过独立安装 NodeJS，我设法毫无问题地运行服务器。

execJs 的详细信息：“找不到 JavaScript 运行时”但 execjs 和 therubyracer 在 Gemfile 中

于 2013-07-14T06:04:28.810 回答