Rails3_安装_报错_解决_Could not find a JavaScript runtime_(ExecJS::RuntimeUnavailable)

最新推荐文章于 2024-11-09 11:13:06 发布

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#javascript #runtime #ruby #ViewUI

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本文详细介绍了在使用Ruby编程时遇到JavaScript运行环境缺失的问题，并提供了两种有效的解决方案：通过添加特定gem来解决环境问题，或者直接安装Node.js。文中还附带了详细的步骤指引和相关软件包的安装说明。

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