将“gem coffee-script-source”从1.9.1降级到1.8.0 [英] downgrading the gem coffee-script-source' from 1.9.1 to 1.8.0

问题描述

我得到这个错误：Welcome＃中的ExecJS :: ProgramError＃indexExecJS :: ProgramError中的Welcome＃索引。

根据其他人的帖子发生，因为有一个在windows上运行的coffee-script-source 1.9.0 / 1出现问题，因此我必须使用命令行降级gem：gem'coffee-script-source'，'1.8.0'。当我尝试做到这一点时，我得到这个错误：

错误：执行gem时（Gem :: CommandLineError）未知命令coffee-script-source， p>

我做错了什么？

解决方案

将这行放入您的gemfile ：

  gem'coffee-script-source'，'1.8.0'
  

然后运行捆绑安装。

I am getting this error: ExecJS::ProgramError in Welcome#indexExecJS::ProgramError in Welcome#index.

According to others posts that happend because there is a problem with coffee-script-source 1.9.0/1 running on windows so I have to downgrade the gem with the command line: gem 'coffee-script-source', '1.8.0'. when I try to do this i get this error:

ERROR: While executing gem ... (Gem::CommandLineError) Unknown command coffee-script-source,

What I am doing wrong?

解决方案

Put this line in your gemfile:

gem 'coffee-script-source', '1.8.0'

And then run bundle install.

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