Cannot install Zendesk Application Framework - nokogiri dependency

[Jon Inazio Sanchez Martinez]

Hi!

For some weeks on, I'm unable to install Zendesk Application Tools, which is a rubygem and an SDK for building applications for Zendesk,

ZAT has several requirements, being one of them nokogiri. When it comes to install ZAT, the installation fails and I've tried lots of ruby versions and other methods with no luck.

See the following lines to read my environment:

PS C:\WINDOWS\system32> ruby -v

ruby 2.4.2p198 (2017-09-14 revision 59899) [x64-mingw32]

PS C:\WINDOWS\system32> gem -v

2.7.2

PS C:\WINDOWS\system32> gem install zendesk_apps_tools

ERROR:  Error installing zendesk_apps_tools:

        The last version of nokogiri (~> 1.6.8) to support your Ruby & RubyGems was 1.6.8.1. Try installing it with `gem install nokogiri -v 1.6.8.1` and then running the current command again

        nokogiri requires Ruby version < 2.4, >= 1.9.2. The current ruby version is 2.4.0.

PS C:\WINDOWS\system32> gem install nokogiri -v 1.6.8.1

ERROR:  Error installing nokogiri:

        The last version of nokogiri (= 1.6.8.1) to support your Ruby & RubyGems was 1.6.8.1. Try installing it with `gem install nokogiri -v 1.6.8.1`

        nokogiri requires Ruby version < 2.4, >= 1.9.2. The current ruby version is 2.4.0.

PS C:\WINDOWS\system32> gem install nokogiri

Fetching: nokogiri-1.8.1-x64-mingw32.gem (100%)

Nokogiri is built with the packaged libraries: libxml2-2.9.5, libxslt-1.1.30, zlib-1.2.11, libiconv-1.15.

Successfully installed nokogiri-1.8.1-x64-mingw32

Parsing documentation for nokogiri-1.8.1-x64-mingw32

Installing ri documentation for nokogiri-1.8.1-x64-mingw32

Done installing documentation for nokogiri after 12 seconds

1 gem installed

PS C:\WINDOWS\system32> gem install nokogiri -- --use-system-libraries

Nokogiri is built with the packaged libraries: libxml2-2.9.5, libxslt-1.1.30, zlib-1.2.11, libiconv-1.15.

Successfully installed nokogiri-1.8.1-x64-mingw32

Parsing documentation for nokogiri-1.8.1-x64-mingw32

Done installing documentation for nokogiri after 1 seconds

1 gem installed

PS C:\WINDOWS\system32> gem install zendesk_apps_tools

ERROR:  Error installing zendesk_apps_tools:

        The last version of nokogiri (~> 1.6.8) to support your Ruby & RubyGems was 1.6.8.1. Try installing it with `gem install nokogiri -v 1.6.8.1` and then running the current command again

        nokogiri requires Ruby version < 2.4, >= 1.9.2. The current ruby version is 2.4.0.

PS C:\WINDOWS\system32> nokogiri -v

# Nokogiri (1.8.1)

    ---

    warnings: []

    nokogiri: 1.8.1

    ruby:

      version: 2.4.2

      platform: x64-mingw32

      description: ruby 2.4.2p198 (2017-09-14 revision 59899) [x64-mingw32]

      engine: ruby

    libxml:

      binding: extension

      source: packaged

      libxml2_path: "/home/flavorjones/code/oss/nokogiri/ports/x86_64-w64-mingw32/libxml2/2.9.5"

      libxslt_path: "/home/flavorjones/code/oss/nokogiri/ports/x86_64-w64-mingw32/libxslt/1.1.30"

      libxml2_patches: []

      libxslt_patches: []

      compiled: 2.9.5

      loaded: 2.9.5

Is there something wrong with nokogiri or is it with ZAT?

Would you need further details please tell me.

Thank you for your support.

[Mike Dalessio]

Hi,

Thanks for asking this question. The underlying cause is zendesk_apps_support overspecifying an old version of ruby:

https://rubygems.org/gems/zendesk_apps_support

shows

nokogiri ~> 1.6.8

Please contact the author and ask them to update to either a more permissive dependency, or a more modern version of Nokogiri.

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[sol...@finovertech.com]

I have this same issue. If you were able to resolve it, I'd love to know how. Thx