CocoaPods 出現LoadError - cannot load such file -- nanaimo錯誤解決辦法

如果經常使用 CocoaPods 進行個人類庫的提交和更新，那麼肯定會遇到這樣的一個錯誤。如題：LoadError - cannot load such file -- nanaimo，翻譯過來就是 LoadError - 無法加載此類文件 - nanaimo。該錯誤產生的時機一般是在驗證 .podspec 文件的時候。具體的錯誤呈現形式是這樣的：

benpaobaodeiMac-2:WZYUnlimitedScrollView bpb$ pod lib lint 
 
 -> WZYUnlimitedScrollView 
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### Command 
 
``` 
/usr/local/bin/pod lib lint 
``` 
 
### Report 
 
* What did you do? 
 
* What did you expect to happen? 
 
* What happened instead? 
 
 
### Stack 
 
``` 
  CocoaPods : 1.2.0.beta.1 
    Ruby : ruby 2.0.0p648 (2015-12-16 revision 53162) [universal.x86_64-darwin16] 
  RubyGems : 2.0.14.1 
    Host : Mac OS X 10.12.1 (16B2555) 
    Xcode : 8.2.1 (8C1002) 
     Git : git version 2.10.1 (Apple Git-78) 
Ruby lib dir : /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib 
Repositories : master - https://github.com/CocoaPods/Specs.git @ 3d3d5f5d2fbb80e043adfd3ad3357a10845cf349 
``` 
 
### Plugins 
 
``` 
cocoapods-deintegrate : 1.0.1 
cocoapods-plugins   : 1.0.0 
cocoapods-search   : 1.0.0 
cocoapods-stats    : 1.0.0 
cocoapods-trunk    : 1.1.1 
cocoapods-try     : 1.1.0 
``` 
 
### Error 
 
``` 
LoadError - cannot load such file -- nanaimo 
/Library/Ruby/Gems/2.0.0/gems/xcodeproj-1.4.1/lib/xcodeproj/project.rb:353:in `block in save' 
/Library/Ruby/Gems/2.0.0/gems/xcodeproj-1.4.1/lib/xcodeproj/project.rb:353:in `open' 
/Library/Ruby/Gems/2.0.0/gems/xcodeproj-1.4.1/lib/xcodeproj/project.rb:353:in `save' 
/Library/Ruby/Gems/2.0.0/gems/cocoapods-1.2.0.beta.1/lib/cocoapods/validator.rb:412:in `create_app_project' 
/Library/Ruby/Gems/2.0.0/gems/cocoapods-1.2.0.beta.1/lib/cocoapods/validator.rb:300:in `block in perform_extensive_analysis' 
/Library/Ruby/Gems/2.0.0/gems/cocoapods-1.2.0.beta.1/lib/cocoapods/validator.rb:295:in `each' 
/Library/Ruby/Gems/2.0.0/gems/cocoapods-1.2.0.beta.1/lib/cocoapods/validator.rb:295:in `perform_extensive_analysis' 
/Library/Ruby/Gems/2.0.0/gems/cocoapods-1.2.0.beta.1/lib/cocoapods/validator.rb:79:in `validate' 
/Library/Ruby/Gems/2.0.0/gems/cocoapods-1.2.0.beta.1/lib/cocoapods/command/lib/lint.rb:62:in `block in run' 
/Library/Ruby/Gems/2.0.0/gems/cocoapods-1.2.0.beta.1/lib/cocoapods/command/lib/lint.rb:50:in `each' 
/Library/Ruby/Gems/2.0.0/gems/cocoapods-1.2.0.beta.1/lib/cocoapods/command/lib/lint.rb:50:in `run' 
/Library/Ruby/Gems/2.0.0/gems/claide-1.0.1/lib/claide/command.rb:334:in `run' 
/Library/Ruby/Gems/2.0.0/gems/cocoapods-1.2.0.beta.1/lib/cocoapods/command.rb:50:in `run' 
/Library/Ruby/Gems/2.0.0/gems/cocoapods-1.2.0.beta.1/bin/pod:55:in `<top (required)>' 
/usr/local/bin/pod:23:in `load' 
/usr/local/bin/pod:23:in `<main>' 
``` 
 
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[!] Oh no, an error occurred. 
 
Search for existing GitHub issues similar to yours: 
https://github.com/CocoaPods/CocoaPods/search?q=cannot+load+such+file+--+nanaimo&type=Issues 
 
If none exists, create a ticket, with the template displayed above, on: 
https://github.com/CocoaPods/CocoaPods/issues/new 
 
Be sure to first read the contributing guide for details on how to properly submit a ticket: 
https://github.com/CocoaPods/CocoaPods/blob/master/CONTRIBUTING.md 
 
Don't forget to anonymize any private data! 
 
Looking for related issues on cocoapods/cocoapods... 
 - LoadError - cannot load such file -- nanaimo 
  https://github.com/CocoaPods/CocoaPods/issues/6281 [closed] [12 comments] 
  2 days ago 
 
 - help!  cannot load such file -- nanaimo 
  https://github.com/CocoaPods/CocoaPods/issues/6312 [closed] [6 comments] 
  6 weeks ago 
 
 - LoadError - cannot load such file -- nanaimo 
  https://github.com/CocoaPods/CocoaPods/issues/6214 [closed] [30 comments] 
  4 weeks ago 
 
and 10 more at: 
https://github.com/cocoapods/cocoapods/search?q=cannot%20load%20such%20file%20--%20nanaimo&type=Issues&utf8=✓ 

上述錯誤，可以有兩種方式進行解決。大家可以分別嘗試，總有一種適合你。

方式一，重新安裝 CocoaPods 的類庫。

先清空 CocoaPods 的緩存：

$ sudo rm -rf ~/.cocoapods/repos/master 
$ sudo rm -fr ~/Library/Caches/CocoaPods/ 

再重新安裝 CocoaPods 的類庫：

$ pod setup 

注意，細心的童鞋可能發現。上面兩行清楚緩存的語句不太一樣。分別是 rm -rf 和 rm -fr，它們其實是沒有區別的，表示強制（f：不提示）刪除文件和目錄（r：刪除）

但方式一可能用起來不會那麼順暢，該錯誤產生的大多數原因還是應該用方式二來解決。

方式二，對 nanaimo 進行刪除並重新加載

$ sudo gem uninstall nanaimo 
$ sudo gem install nanaimo 

運行上面兩行代碼的結果：

benpaobaodeiMac-2:WZYUnlimitedScrollView bpb$ sudo gem uninstall nanaimo 
Password: 
 
Select gem to uninstall: 
 1. nanaimo-0.2.2 
 2. nanaimo-0.2.3 
 3. All versions 
> 3 
Successfully uninstalled nanaimo-0.2.2 
 
You have requested to uninstall the gem: 
  nanaimo-0.2.3 
 
xcodeproj-1.4.1 depends on nanaimo (~> 0.2.0) 
If you remove this gem, these dependencies will not be met. 
Continue with Uninstall? [yN] y 
Successfully uninstalled nanaimo-0.2.3 
benpaobaodeiMac-2:WZYUnlimitedScrollView bpb$ sudo gem install nanaimo 
Fetching: nanaimo-0.2.3.gem (100%) 
Successfully installed nanaimo-0.2.3 
Parsing documentation for nanaimo-0.2.3 
Installing ri documentation for nanaimo-0.2.3 
1 gem installed 

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