nodejs,excjs: Could not find a JavaScript runtime. See https://github.com/sst

本文提供了两种解决ExecJS未找到运行时环境的方法。方法一通过在Gemfile中添加'execjs'和'therubyracer'并运行bundle install来解决。方法二是安装Node.js及其包管理器npm,并使用npm安装node。
方法1:
在gemfile中添加
gem 'execjs'
gem 'therubyracer'

bundle install后即可

方法2:
1. 安装nodejs
sudo apt-get install nodejs

node
gem install node
Proxy error: Could not proxy request /captchaImage from localhost to http://localhost:9090/. See https://nodejs.org/api/errors.html#errors_common_system_errors for more information (ECONNREFUSED). Proxy error: Could not proxy request /captchaImage from localhost to http://localhost:9090/. See https://nodejs.org/api/errors.html#errors_common_system_errors for more information (ECONNREFUSED). Proxy error: Could not proxy request /login from localhost to http://localhost:9090/. See https://nodejs.org/api/errors.html#errors_common_system_errors for more information (ECONNREFUSED). Proxy error: Could not proxy request /captchaImage from localhost to http://localhost:9090/. See https://nodejs.org/api/errors.html#errors_common_system_errors for more information (ECONNREFUSED). Proxy error: Could not proxy request /login from localhost to http://localhost:9090/. See https://nodejs.org/api/errors.html#errors_common_system_errors for more information (ECONNREFUSED). Proxy error: Could not proxy request /captchaImage from localhost to http://localhost:9090/. See https://nodejs.org/api/errors.html#errors_common_system_errors for more information (ECONNREFUSED). Proxy error: Could not proxy request /login from localhost to http://localhost:9090/. See https://nodejs.org/api/errors.html#errors_common_system_errors for more information (ECONNREFUSED). Proxy error: Could not proxy request /captchaImage from localhost to http://localhost:9090/. See https://nodejs.org/api/errors.html#errors_common_system_errors for more information (ECONNREFUSED). Proxy error: Could not proxy request /login from localhost to http://localhost:9090/. See https://nodejs.org/api/errors.html#errors_common_system_errors for more information (ECONNREFUSED). Proxy error: Could not proxy request /captchaImage from localhost to http://localhost:9090/. See https://nodejs.org/api/errors.html#errors_common_system_errors for more information (ECONNREFUSED). Proxy error: Could not proxy request /login from localhost to http://localhost:9090/. See https://nodejs.org/api/errors.html#errors_common_system_errors for more information (ECONNREFUSED). Proxy error: Could not proxy request /captchaImage from localhost to http://localhost:9090/. See https://nodejs.org/api/errors.html#errors_common_system_errors for more information (ECONNREFUSED). Proxy error: Could not proxy request /login from localhost to http://localhost:9090/. See https://nodejs.org/api/errors.html#errors_common_system_errors for more information (ECONNREFUSED). Proxy error: Could not proxy request /captchaImage from localhost to http://localhost:9090/. See https://nodejs.org/api/errors.html#errors_common_system_errors for more information (ECONNREFUSED). Proxy error: Could not proxy request /login from localhost to http://localhost:9090/. See https://nodejs.org/api/errors.html#errors_common_system_errors for more information (ECONNREFUSED). Proxy error: Could not proxy request /captchaImage from localhost to http://localhost:9090/. See https://nodejs.org/api/errors.html#errors_common_system_errors for more information (ECONNREFUSED). Proxy error: Could not proxy request /login from localhost to http://localhost:9090/. See https://nodejs.org/api/errors.html#errors_common_system_errors for more information (ECONNREFUSED). Proxy error: Could not proxy request /captchaImage from localhost to http://localhost:9090/. See https://nodejs.org/api/errors.html#errors_common_system_errors for more information (ECONNREFUSED). Proxy error: Could not proxy request /login from localhost to http://localhost:9090/. See https://nodejs.org/api/errors.html#errors_common_system_errors for more information (ECONNREFUSED). Proxy error: Could not proxy request /captchaImage from localhost to http://localhost:9090/. See https://nodejs.org/api/errors.html#errors_common_system_errors for more information (ECONNREFUSED). Proxy error: Could not proxy request /login from localhost to http://localhost:9090/. See https://nodejs.org/api/errors.html#errors_common_system_errors for more information (ECONNREFUSED). Proxy error: Could not proxy request /captchaImage from localhost to http://localhost:9090/. See https://nodejs.org/api/errors.html#errors_common_system_errors for more information (ECONNREFUSED). Proxy error: Could not proxy request /login from localhost to http://localhost:9090/. See https://nodejs.org/api/errors.html#errors_common_system_errors for more information (ECONNREFUSED). Proxy error: Could not proxy request /captchaImage from localhost to http://localhost:9090/. See https://nodejs.org/api/errors.html#errors_common_system_errors for more information (ECONNREFUSED). Proxy error: Could not proxy request /captchaImage from localhost to http://localhost:9090/. See https://nodejs.org/api/errors.html#errors_common_system_errors for more information (ECONNREFUSED).
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