为什么我的宝石列表在我的宝石列表中显示了一个宝石，但是却不允许我在Ruby on Rails中将其卸载？
[英]Why does my gem list show a gem in my gem list but doesn't let me uninstall it in Ruby on Rails?
问题描述
Currently in my console I type gem list and it shows two versions of the diff-lcs gem: 
当前在我的控制台中，我输入gem list ，它显示了diff-lcs gem的两个版本：
diff-lcs (1.1.3, 1.1.2)
When I run gem uninstall diff-lcs I get the following error: 当我运行gem uninstall diff-lcs ，出现以下错误：
INFO: gem "diff-lcs" is not installed
I'm current running RVM. 我当前正在运行RVM。 When I run rvm current I get: 当我运行rvm current我得到：
ruby-1.9.2-p290
Why is this happening? 为什么会这样呢？ Shouldn't I be able to uninstall it? 我不能卸载吗？
Thanks 谢谢
1 个解决方案
解决方案1
1 已采纳 2012-05-10 12:14:43
RVM uses a global gemset and I've seen a similar behavior before when trying to uninstall gems from it. RVM使用全局gemset，在尝试从中卸载gem之前，我已经看到了类似的行为。 You might be able to uninstall this gem by changing to that gemset and then uninstalling them: 您可以通过更改为该gemset然后卸载它们来卸载该gem：
rvm gemset use global
gem uninstall diff-lcs
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