blocks|key|170616|text|因此，在半天之后，几乎在我的问题发布后，我找到了答案。Bundler1.5.0有一个错误，它不能将默认gem识别为referenced+here|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|170617|解决方案是使用gem+install+bundler+-v+'=+1.5.1'更新到bundler+1.5.1|style|CODE|170618|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/travis-ci/travis-ci/issues/1806^0|1L|F|0|0|7|W|0^^$0|@$1|2|3|4|5|6|7|P|8|@]|9|@$A|Q|B|R|1|S]]|C|$]]|$1|D|3|E|5|6|7|T|8|@$A|U|B|V|F|G]]|9|@]|C|$]]|$1|H|3|-4|5|6|7|W|8|@]|9|@]|C|$]]]|I|$J|$5|K|L|M|C|$N|O]]]]

So after a half day on this and almost immediately after posting my question I found the answer. Bundler 1.5.0 has a bug where it doesn't recognize default gems as <a href="https://github.com/travis-ci/travis-ci/issues/1806" rel="noreferrer">referenced here</a> 

The solution was to update to bundler 1.5.1 using <code>gem install bundler -v '= 1.5.1'</code>

blocks|key|4676462|text|这似乎是Bundler中的一个错误，无法识别与ruby2.x一起安装的默认gem。即使使用最新版本的bundler+(1.5.3)，我仍然遇到了这个问题。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4676463|一种解决方案是简单地从默认的gemspec目录中删除json-1.8.1.gemspec。|4676464|rm+~/.rubies/ruby-2.1.0/lib/ruby/gems/2.1.0/specifications/default/json-1.8.1.gemspec|code-block|syntax|javascript|4676465|这样做之后，bundler定位gem应该没有问题。请注意，我使用的是chruby。如果你正在使用其他的ruby管理器，你必须相应地更新你的path。|4676466|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|N|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|O|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|P|8|@]|9|@]|A|$]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

This appears to be a bug in Bundler not recognizing the default gems installed along with ruby 2.x. I still experienced the problem even with the latest version of bundler (1.5.3).

One solution is to simply delete json-1.8.1.gemspec from the default gemspec directory.

<pre><code>rm ~/.rubies/ruby-2.1.0/lib/ruby/gems/2.1.0/specifications/default/json-1.8.1.gemspec
</code></pre>

After doing this, bundler should have no problem locating the gem. Note that I am using chruby. If you're using some other ruby manager, you'll have to update your path accordingly.

blocks|key|4676486|text|如果推荐的答案没有帮助，因为您已经在使用较新版本的bundler。尝试适用于我的解决方案。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4676487|删除供应商文件夹中的所有内容。在gemfile中添加一行|4676488|gem+'json',+'1.8.0'|code-block|syntax|javascript|4676489|然后运行-+bundle+update+json。|offset|length|style|CODE|4676490|这似乎是1.8.1的一个问题，所以回到1.8.0对我来说很管用。|4676491|entityMap^0|0|0|0|6|I|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|T|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|U|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|V|8|@$K|W|L|X|M|N]]|9|@]|A|$]]|$1|O|3|P|5|6|7|Y|8|@]|9|@]|A|$]]|$1|Q|3|-4|5|6|7|Z|8|@]|9|@]|A|$]]]|R|$]]

If the recommended answer didn't help because you are already using a newer version of bundler. Try the solution that worked for me.

Delete everything inside your vendor folder. 
Add a line to your gemfile

<pre><code>gem 'json', '1.8.0'
</code></pre>

Then run - <code>bundle update json</code>.

It seems to be an issue with 1.8.1 so going back to 1.8.0 did the trick for me.

blocks|key|4676500|text|运行这个命令，一切都会好起来的|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4676501|sudo+apt-get+install+libgmp-dev|code-block|syntax|javascript|4676502|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

Run this command then everything will be ok

<pre><code>sudo apt-get install libgmp-dev
</code></pre>

blocks|key|170688|text|我找到了解决方案here。json版本1.8.1和ruby+2.2.3存在问题，因此请安装json+1.8.3版本。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|170689|gem+install+json+-v1.8.3|code-block|syntax|javascript|170690|entityMap|0|LINK|mutability|MUTABLE|url|http://jee-appy.blogspot.com/2016/03/an-error-occurred-while-installing-json.html^0|8|4|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@$A|R|B|S|1|T]]|C|$]]|$1|D|3|E|5|F|7|U|8|@]|9|@]|C|$G|H]]|$1|I|3|-4|5|6|7|V|8|@]|9|@]|C|$]]]|J|$K|$5|L|M|N|C|$O|P]]]]

I found the solution <a href="http://jee-appy.blogspot.com/2016/03/an-error-occurred-while-installing-json.html">here</a>. There is a problem with json version 1.8.1 and ruby 2.2.3, so install json 1.8.3 version.

<pre><code>gem install json -v1.8.3
</code></pre>

blocks|key|170700|text|我错过了C头解决方案是下载它的Xcode，这是最好的方式。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|170701|xcode-select+--install|code-block|syntax|javascript|170702|希望能有所帮助。|170703|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

I was missing C headers solution was to download it for Xcode, this is the best way.

<pre><code>xcode-select --install
</code></pre>

Hope it helps.

blocks|key|4676535|text|$+bundle+update+json
$+bundle+install|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|4676536|unstyled|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|G|8|@]|9|@]|A|$B|C]]|$1|D|3|-4|5|E|7|H|8|@]|9|@]|A|$]]]|F|$]]

<pre><code>$ bundle update json
$ bundle install
</code></pre>

blocks|key|4676557|text|我安装了最新版本的json：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4676558|gem+install+json|code-block|syntax|javascript|4676559|然后从Gemfile.lock中删除了行json(1.8.1)并执行了|4676560|bundle+install|4676561|然后Gemfile.lock文件使用json(1.8.3)，没有错误|4676562|entityMap^0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|Q|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|R|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|S|8|@]|9|@]|A|$]]|$1|M|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|N|$]]

I installed the latest version of json:

<pre><code>gem install json
</code></pre>

Then deleted the line json(1.8.1) from the Gemfile.lock and did a

<pre><code>bundle install
</code></pre>

And then the Gemfile.lock file uses json(1.8.3) without erros

blocks|key|170724|text|使用rvm将ruby版本从1.9切换到2.2就完成了这项工作|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|170725|entityMap|0|LINK|mutability|MUTABLE|url|https://rvm.io/^0|2|3|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

Switch ruby version from 1.9 to 2.2 with <a href="https://rvm.io/" rel="nofollow">rvm</a> did the job for me

blocks|key|4676632|text|bundle+update+json。帮助我们度过难关。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|4676633|entityMap^0|0|I|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|K|8|@]|D|@]|E|$]]]|G|$]]

<code>bundle update json</code>. Helped to get through.

blocks|key|4676675|text|你应该试试|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4676676|$+sudo+gem+install+json+-v+'1.8.2'|code-block|syntax|javascript|4676677|在我的例子(Ubuntu+14.04)中，这不能直接工作，我必须这样做：|4676678|$+sudo+apt-get+install+ruby-dev|4676679|然后我可以安装gem并继续。我还有一个问题，可以通过以下方式解决：|4676680|$+sudo+apt-get+install+libsqlite3-dev|4676681|希望能有所帮助。|4676682|entityMap^0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|T|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|U|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|V|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|W|8|@]|9|@]|A|$]]|$1|M|3|N|5|D|7|X|8|@]|9|@]|A|$E|F]]|$1|O|3|P|5|6|7|Y|8|@]|9|@]|A|$]]|$1|Q|3|-4|5|6|7|Z|8|@]|9|@]|A|$]]]|R|$]]

You should try

<pre><code>$ sudo gem install json -v '1.8.2'
</code></pre>

in my case (Ubuntu 14.04) that didn't work directly and I had to do this:

<pre><code>$ sudo apt-get install ruby-dev
</code></pre>

and then I could install the gem and continue. Had one more problem that was fixed by:

<pre><code>$ sudo apt-get install libsqlite3-dev
</code></pre>

Hoping helps.

blocks|key|4676716|text|捆绑包无法安装json+-v+'1.8.1‘，删除我的Gemfile.lock并再次运行捆绑包解决了这个问题。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4676717|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

Bundle was failing to install json -v '1.8.1' and deleting my Gemfile.lock and running bundle again solved this issue for me.

blocks|key|4676772|text|如果你使用的是JSON塞拉，并且你的MacOS版本是2.4.0，那么ruby版本与json+1.8.3不兼容。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4676773|您可以尝试在Gemfile中添加以下行：|4676774|gem+'json',+github:+'flori/json',+branch:+'v1.8'|code-block|syntax|javascript|4676775|这对我来说很有效！|4676776|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|N|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|O|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|P|8|@]|9|@]|A|$]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

if you are in MacOS Sierra and your ruby version is 2.4.0.The ruby version is not compatible with json 1.8.3.
You can try add this line in your Gemfile:
<pre class="lang-rb prettyprint-override"><code>gem 'json', github: 'flori/json', branch: 'v1.8'
</code></pre>
This works for me!

blocks|key|4676807|text|对于macOS塞拉：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4676808|在Rails(v4.2)项目中使用bundler(v1.15.3)时，我遇到了这个错误。对我来说，解决方案是gem+uninstall+bundler+-v+'1.15.3'和gem+install+bundler+-v+'1.14.6'。|offset|length|style|CODE|4676809|entityMap^0|0|7|4|P|7|1I|X|2G|V|0^^$0|@$1|2|3|4|5|6|7|J|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|K|8|@$D|L|E|M|F|G]|$D|N|E|O|F|G]|$D|P|E|Q|F|G]|$D|R|E|S|F|G]]|9|@]|A|$]]|$1|H|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|I|$]]

For macOS Sierra:

I ran into this error When i used bundler(<code>v1.15.3</code>) in Rails(<code>v4.2</code>) project.
The solution for me is <code>gem uninstall bundler -v '1.15.3'</code> and <code>gem install bundler -v '1.14.6'</code>.

blocks|key|4676832|text|当我尝试使用gem+install+json安装json+gem，而不是仅仅使用bundle+install时，我得到了ERROR:+Failed+to+build+gem+native+extension.，查找时我发现使用|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|4676833|++++apt-get+install+ruby-dev|code-block|syntax|javascript|4676834|成功了吗？|4676835|entityMap^0|6|G|14|E|1O|18|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@$9|P|A|Q|B|C]|$9|R|A|S|B|C]|$9|T|A|U|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|V|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|W|8|@]|D|@]|E|$]]|$1|M|3|-4|5|6|7|X|8|@]|D|@]|E|$]]]|N|$]]

When I tried to install the json gem using <code>gem install json</code> separate from just using <code>bundle install</code> I got <code>ERROR: Failed to build gem native extension.</code>, looking that up I found using

<pre><code> apt-get install ruby-dev
</code></pre>

did the trick

I get the following error when attempting to run <code>cap production deploy</code>. 

<pre><code>DEBUG [dc362284] Bundler::GemNotFound: Could not find json-1.8.1.gem for installation
DEBUG [dc362284] An error occurred while installing json (1.8.1), and Bundler cannot continue.
DEBUG [dc362284] Make sure that `gem install json -v '1.8.1'` succeeds before bundling.
</code></pre>

It may be important to note that this deployment was working, than I upgraded to Ruby 2.1.0 to remove an encoding error. I upgraded locally which worked fine. I ran <code>rvm install 2.1.0</code> and <code>rvm use 2.1.0</code> then changed my <code>.ruby-version</code> file to reflect this Ruby upgrade.

The <code>bundle install</code> command works locally, but produces the same above error when I ssh onto the destination server and run this command. 

If I run <code>gem list</code> I can see this in the list of gems.

<pre><code>...
jquery-rails (3.0.4)
json (1.8.1)
less (2.3.2)
...
</code></pre>

If I try the recommended solution <code>gem install json -v '1.8.1'</code> Locally and on the destination server I get the following output:

<pre><code>Building native extensions. This could take a while...
Successfully installed json-1.8.1
Parsing documentation for json-1.8.1
Done installing documentation for json after 0 seconds
1 gem installed
</code></pre>

So it appears the gem is installed, right? Why is this happening? How can I solve this? Any help would be greatly appreciated.

Why won't bundler install JSON gem?

服务器

Ubuntu

Xcode

MacOS

JSON

在尝试运行cap production deploy时，我得到了以下错误。DEBUG [dc362284]    Bundler::GemNotFound: Could not find json-1.8.1.gem for installationDEBUG [dc362284]    An error occurr...

问为什么bundler不安装JSON gem？
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