安装新的Ruby gem时，RDoc :: TopLevel:Class的未定义方法“重置" [英] undefined method `reset' for RDoc::TopLevel:Class when installing a new Ruby gem

问题描述

例如，

$ gem install netaddr
Fetching: netaddr-1.5.1.gem (100%)
Successfully installed netaddr-1.5.1
ERROR:  While executing gem ... (NoMethodError)
    undefined method `reset' for RDoc::TopLevel:Class

当我安装任何新的gem时，都会继续引发NoMethodError异常.我在Google上进行了搜索，并在RDoc和RubyGems GitHub存储库中搜索了问题，但是没有运气.

The NoMethodError exception keeps being raised when I install any new gem. I googled about it and searched issues in RDoc and RubyGems GitHub repositories, but had no luck.

我的Ruby版本是

$ ruby -v
ruby 2.3.0p0 (2015-12-25 revision 53290) [x86_64-darwin15]

RubyGems版本是

The RubyGems version is

$ gem -v
2.5.1

已安装的RDoc版本是

The installed RDoc version is

$ gem search rdoc -l

*** LOCAL GEMS ***

rdoc (4.2.2, 4.2.1)

我在Mac OS X El Capitan上安装了带有RVM的Ruby.

I installed Ruby with RVM on Mac OS X El Capitan.

谢谢！

[UPDATE] 2018/08/03

我已经很长时间没有使用Macbook了，所以直到现在我都忘记了这个问题.前天我收到了答复通知，今天我用同一台Macbook检查了情况.我发现我不再遇到问题了，Ruby和Gems的更新如下:

I haven't used my Macbook for long time, so I forgot the problem until now. The day before yesterday I got an answer notification and today I checked my situation with the same Macbook. I found that I no longer have the problem and the Ruby and Gems were updated as follows:

$ gem install netaddr
Fetching: netaddr-2.0.3.gem (100%)
Successfully installed netaddr-2.0.3
Parsing documentation for netaddr-2.0.3
Installing ri documentation for netaddr-2.0.3
Done installing documentation for netaddr after 1 seconds
1 gem installed

$ ruby -v
ruby 2.4.0p0 (2016-12-24 revision 57164) [x86_64-darwin15]

$ gem -v
2.6.8

$ gem search rdoc -l

*** LOCAL GEMS ***

rdoc (default: 5.0.0)

我不记得我何时更新它们，但是问题仍然存在，我猜想这是一个错误并已在更新中修复.

I don't remember when I updated them, but the problem has gone anyway, I guessed it was a bug and fixed in the updates.

谢谢.

推荐答案

在安装rdoc时，它将尝试使用rdoc生成自己的文档.二进制文件已安装(可能在/usr/bin中)，但是在gem安装时将找不到该二进制文件-如果这是第一次. gem install rdoc --no-document

When installing rdoc it tries to generate its own documentation using rdoc. The binary is installed (probably in /usr/bin), but it will not be found at the moment of gem install - if this is the first time. gem install rdoc --no-document

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