Rails3_安装_报错_解决_Could not find a JavaScript runtime_(ExecJS::RuntimeUnavailable)
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转自:http://selfcontroller.iteye.com/blog/1223079
没有js的运行环境导致的:
lijg@lijg-desktop:~/workruby/helloapp$ ruby script/rails console
/home/lijg/.rvm/gems/ruby-1.9.2-p290/gems/execjs-1.2.7/lib/execjs/runtimes.rb:47:in `autodetect': Could not find a JavaScript runtime . See https://github.com/sstephenson/execjs for a list of available runtimes. (ExecJS::RuntimeUnavailable)
解决方法1:
Adding the following gems to my Gemfile solved the issue:
gem 'execjs'
gem 'therubyracer'
Then of course:
bundle install
解决方法2:
安装nodejs
lijg@lijg-desktop:~/workruby/helloapp$ sudo apt-cache search nodejs
[sudo] password for lijg:
coffeescript - interpreter and compiler for the CoffeeScript language
nodejs - Node.js event-based server-side javascript engine
nodejs-dbg - Node.js event-based server-side javascript engine (debug)
nodejs-dev - Development files for Node.js
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