Cocoapods: Malformed version number string

Created on 22 May 2018  ยท  48Comments  ยท  Source: CocoaPods/CocoaPods

Report

What did you do?

pod install

What did you expect to happen?

Install all pod dependencies correctly.

What happened instead?

ArgumentError - Malformed version number string

CocoaPods Environment

Stack

   CocoaPods : 1.5.2
        Ruby : ruby 2.5.1p57 (2018-03-29 revision 63029) [x86_64-darwin17]
    RubyGems : 2.7.7
        Host : Mac OS X 10.13.3 (17D102)
       Xcode : 9.2 (9C40b)
         Git : git version 2.14.3 (Apple Git-98)
Ruby lib dir : /Users/jenkins/.rvm/rubies/ruby-2.5.1/lib
Repositories :
               master - https://github.com/CocoaPods/Specs.git @fab7726d367d90b163a793e2f6419b69ee9b93c5

Installation Source

Executable Path: /Users/jenkins/.rvm/gems/ruby-2.5.1/bin/pod

Plugins

cocoapods-deintegrate : 1.0.2
cocoapods-plugins     : 1.0.0
cocoapods-search      : 1.0.0
cocoapods-stats       : 1.0.0
cocoapods-trunk       : 1.3.0
cocoapods-try         : 1.1.0

Podfile

platform :ios, '8.0'

def pods
    pod 'GoogleMaps'
    pod 'GooglePlaces'
    pod 'Fabric'
    pod 'Crashlytics'
    pod 'CocoaLumberjack'
    pod 'SSZipArchive'
    pod 'ActionSheetPicker-3.0', '~> 2.2.0'
end

target 'projectdemo' do
    pods
end

target 'projectdemoStaging' do
    pods
end

target 'projectdemoDebug' do
    pods
end

target 'projectdemoMock' do
    pods
end

Project that demonstrates the issue

Additional details

Adding a --verbose flag to the install command gives a little bit more insight into what happened.

Generating Pods project
  - Creating Pods project
  - Adding source files to Pods project
  - Adding frameworks to Pods project
  - Adding libraries to Pods project
  - Adding resources to Pods project
  - Linking headers
  - Installing targets
    - Installing target `ActionSheetPicker-3.0` iOS 4.3
    - Installing target `CocoaLumberjack` iOS 6.0
    - Installing target `SSZipArchive` iOS 4.0
    - Installing target `Pods-projectdemo` iOS 8.0

As you can see at the end when it does the project setup, it adds the targets with magic quotes which break the build.

easy confirmed defect โ˜…
Source
picture vlazdra

Most helpful comment

if your rubyGems version is 2.7.7 or higher you just can do like this
gem update --system 2.7.6
my problem has resolved by doing this.

picture BaihaoTian on 18 Jul 2018
👍21 🎉4 ❤3 😄3

All 48 comments

Command

/usr/local/bin/pod install

Report

  • What did you do?

  • What did you expect to happen?

  • What happened instead?

Stack

   CocoaPods : 1.5.2
        Ruby : ruby 2.3.3p222 (2016-11-21 revision 56859) [universal.x86_64-darwin17]
    RubyGems : 2.7.7
        Host : Mac OS X 10.13.4 (17E202)
       Xcode : 9.3.1 (9E501)
         Git : git version 2.15.1 (Apple Git-101)
Ruby lib dir : /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/lib
Repositories : master - https://github.com/CocoaPods/Specs.git @ fatal: ambiguous argument 'HEAD': unknown revision or path not in the working tree.
Use '--' to separate paths from revisions, like this:
'git <command> [<revision>...] -- [<file>...]'
HEAD

Plugins

cocoapods-deintegrate : 1.0.2
cocoapods-plugins     : 1.0.0
cocoapods-search      : 1.0.0
cocoapods-stats       : 1.0.0
cocoapods-trunk       : 1.3.0
cocoapods-try         : 1.1.0

Podfile

source 'https://github.com/CocoaPods/Specs.git'
platform :ios, '8.0'

inhibit_all_warnings!

target 'GrandRoutes' do

pod 'AFNetworking', '~> 3.1.0'
pod 'SDWebImage'
pod 'Masonry', '~> 1.1.0'
pod 'UITableView+FDTemplateLayoutCell', '~> 1.4'
pod 'MBProgressHUD'
pod 'MJExtension', '~> 3.0.13'
pod 'DoImagePickerController', '~> 1.6'
pod 'Realm'
pod 'IQKeyboardManager', '~> 4.0.5'
pod 'TOCropViewController', '~> 2.0.7'
pod 'AXWebViewController', '~> 0.3.3'
pod 'BaiduMapKit', '~> 3.0.0'
pod 'SDCycleScrollView'
pod 'Meiqia'
pod 'FDFullscreenPopGesture'
pod 'CocoaAsyncSocket'
pod 'ZLPhotoBrowser'
pod "MWPhotoBrowser", :podspec =>'https://raw.githubusercontent.com/moinku07/MWPhotoBrowser/master/MWPhotoBrowser.podspec'
pod 'ZFPlayer'

end

Error

ArgumentError - Malformed version number string
/Library/Ruby/Site/2.3.0/rubygems/version.rb:209:in `initialize'
/Library/Ruby/Site/2.3.0/rubygems/version.rb:200:in `new'
/Library/Ruby/Site/2.3.0/rubygems/version.rb:200:in `new'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/lib/cocoapods/generator/xcconfig/aggregate_xcconfig.rb:123:in `embedded_content_settings'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/lib/cocoapods/generator/xcconfig/aggregate_xcconfig.rb:68:in `generate'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/lib/cocoapods/generator/xcconfig/aggregate_xcconfig.rb:39:in `save_as'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/lib/cocoapods/installer/xcode/pods_project_generator/target_installer.rb:112:in `update_changed_file'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/lib/cocoapods/installer/xcode/pods_project_generator/aggregate_target_installer.rb:96:in `block in create_xcconfig_file'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/lib/cocoapods/installer/xcode/pods_project_generator/aggregate_target_installer.rb:93:in `each'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/lib/cocoapods/installer/xcode/pods_project_generator/aggregate_target_installer.rb:93:in `create_xcconfig_file'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/lib/cocoapods/installer/xcode/pods_project_generator/aggregate_target_installer.rb:18:in `block in install!'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/lib/cocoapods/user_interface.rb:142:in `message'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/lib/cocoapods/installer/xcode/pods_project_generator/aggregate_target_installer.rb:14:in `install!'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/lib/cocoapods/installer/xcode/pods_project_generator.rb:181:in `block (2 levels) in install_libraries'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/lib/cocoapods/installer/xcode/pods_project_generator.rb:179:in `each'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/lib/cocoapods/installer/xcode/pods_project_generator.rb:179:in `block in install_libraries'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/lib/cocoapods/user_interface.rb:142:in `message'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/lib/cocoapods/installer/xcode/pods_project_generator.rb:167:in `install_libraries'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/lib/cocoapods/installer/xcode/pods_project_generator.rb:65:in `generate!'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/lib/cocoapods/installer.rb:184:in `block in generate_pods_project'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/lib/cocoapods/user_interface.rb:64:in `section'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/lib/cocoapods/installer.rb:183:in `generate_pods_project'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/lib/cocoapods/installer.rb:119:in `install!'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/lib/cocoapods/command/install.rb:41:in `run'
/Library/Ruby/Gems/2.3.0/gems/claide-1.0.2/lib/claide/command.rb:334:in `run'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/lib/cocoapods/command.rb:52:in `run'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/bin/pod:55:in `<top (required)>'
/usr/local/bin/pod:23:in `load'
/usr/local/bin/pod:23:in `<main>'
darkThanBlack picture darkThanBlack on 22 May 2018

also 'Malformed version number string'...OMG...

darkThanBlack picture darkThanBlack on 22 May 2018

@zedixns / @darkThanBlack It looks like this is crashing while trying to resolve the target swift version - Could you share an Xcode project that reproduces this please?

endocrimes picture endocrimes on 22 May 2018

@DanToml Unfortunately I am not able to share the project, because it's commercial. I can assist you in any other way, that is not sharing of any source code. Hope you understand.

vlazdra picture vlazdra on 22 May 2018

@zedixns Unfortunately the only way I can work on this further is with a full repro case (and I don't currently have a recent version of Xcode around to try creating projects with).

The bare minimum we'd need would be a grep -i swift_version ./my-project.xcodeproj/project.pbxproj

endocrimes picture endocrimes on 22 May 2018

@DanToml
The output is:

SWIFT_VERSION = 3.0;
SWIFT_VERSION = 3.0;
SWIFT_VERSION = 3.0;
SWIFT_VERSION = 3.0;

I have to note here that the actual project doesn't have any swift code in it. Don't know if that makes any difference.

vlazdra picture vlazdra on 22 May 2018

I haven't had the issue locally, but stumbled upon it in a Travis build. Turns out I can reproduce this locally by just updating to the latest rubygems.

bundle exec pod install fails with RubyGems 2.7.7, but works fine with 2.7.6.

eploko picture eploko on 22 May 2018
👍1

Can you please try with CocoaPods master using https://bundler.io/?

dnkoutso picture dnkoutso on 22 May 2018

Yes we really need a sample project here demonstrating the issue. It will help debug it.

dnkoutso picture dnkoutso on 22 May 2018
👍1

Looks to be caused by the rubygems 2.7.7 release: https://github.com/rubygems/rubygems/compare/v2.7.6...v2.7.7#diff-94d386526b8b558035d4e4c7602d647cR173

segiddins picture segiddins on 22 May 2018

This appears to be fixed on master, we will most likely do a 1.5.3 release.

dnkoutso picture dnkoutso on 22 May 2018

I'm also having this issue even after uninstalling and installing an older version of cocoa pods it's not working anymore.

I have tried:
Uninstalling Cocoapods gem
Uninstalling Bundler
Installing bundler to use cocoa pods master.

Nothing works Cocoapods is broken completely with this issue.

jonathanff picture jonathanff on 22 May 2018

I also encountered this issue. And I tried to start a new project, but the issue still exist while using pod install.

LuXiong picture LuXiong on 23 May 2018

bogon:PodTest deven$ pod install
Analyzing dependencies
Downloading dependencies
Installing AFNetworking (3.2.1)
Generating Pods project

โ€•โ€•โ€• MARKDOWN TEMPLATE โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•

Command

/usr/local/bin/pod install

Report

  • What did you do?

  • What did you expect to happen?

  • What happened instead?

Stack

   CocoaPods : 1.5.2
        Ruby : ruby 2.3.3p222 (2016-11-21 revision 56859) [universal.x86_64-darwin17]
    RubyGems : 2.7.7
        Host : Mac OS X 10.13.4 (17E199)
       Xcode : 9.3.1 (9E501)
         Git : git version 2.15.1 (Apple Git-101)
Ruby lib dir : /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/lib
Repositories : bigo-bigo-specs - http://gitlab.bigo.sg:8081/Bigo/Specs.git @ f2ad4499275f6a433c0aca874dc1c2b066e86c96
               master - https://github.com/CocoaPods/Specs.git @ a35415c0686f8d02dce098fa7b3657ff0f475d50

Plugins

cocoapods-deintegrate : 1.0.2
cocoapods-plugins     : 1.0.0
cocoapods-search      : 1.0.0
cocoapods-stats       : 1.0.0
cocoapods-trunk       : 1.3.0
cocoapods-try         : 1.1.0

Podfile

# Uncomment the next line to define a global platform for your project
platform :ios, '9.0'

target 'PodTest' do
  # Uncomment the next line if you're using Swift or would like to use dynamic frameworks
  # use_frameworks!

  # Pods for PodTest
  pod 'AFNetworking'

  target 'PodTestTests' do
    inherit! :search_paths
    # Pods for testing
  end

  target 'PodTestUITests' do
    inherit! :search_paths
    # Pods for testing
  end

end

Error

ArgumentError - Malformed version number string 
/Library/Ruby/Site/2.3.0/rubygems/version.rb:209:in `initialize'
/Library/Ruby/Site/2.3.0/rubygems/version.rb:200:in `new'
/Library/Ruby/Site/2.3.0/rubygems/version.rb:200:in `new'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/lib/cocoapods/generator/xcconfig/aggregate_xcconfig.rb:123:in `embedded_content_settings'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/lib/cocoapods/generator/xcconfig/aggregate_xcconfig.rb:68:in `generate'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/lib/cocoapods/generator/xcconfig/aggregate_xcconfig.rb:39:in `save_as'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/lib/cocoapods/installer/xcode/pods_project_generator/target_installer.rb:112:in `update_changed_file'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/lib/cocoapods/installer/xcode/pods_project_generator/aggregate_target_installer.rb:96:in `block in create_xcconfig_file'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/lib/cocoapods/installer/xcode/pods_project_generator/aggregate_target_installer.rb:93:in `each'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/lib/cocoapods/installer/xcode/pods_project_generator/aggregate_target_installer.rb:93:in `create_xcconfig_file'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/lib/cocoapods/installer/xcode/pods_project_generator/aggregate_target_installer.rb:18:in `block in install!'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/lib/cocoapods/user_interface.rb:142:in `message'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/lib/cocoapods/installer/xcode/pods_project_generator/aggregate_target_installer.rb:14:in `install!'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/lib/cocoapods/installer/xcode/pods_project_generator.rb:181:in `block (2 levels) in install_libraries'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/lib/cocoapods/installer/xcode/pods_project_generator.rb:179:in `each'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/lib/cocoapods/installer/xcode/pods_project_generator.rb:179:in `block in install_libraries'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/lib/cocoapods/user_interface.rb:142:in `message'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/lib/cocoapods/installer/xcode/pods_project_generator.rb:167:in `install_libraries'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/lib/cocoapods/installer/xcode/pods_project_generator.rb:65:in `generate!'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/lib/cocoapods/installer.rb:184:in `block in generate_pods_project'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/lib/cocoapods/user_interface.rb:64:in `section'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/lib/cocoapods/installer.rb:183:in `generate_pods_project'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/lib/cocoapods/installer.rb:119:in `install!'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/lib/cocoapods/command/install.rb:41:in `run'
/Library/Ruby/Gems/2.3.0/gems/claide-1.0.2/lib/claide/command.rb:334:in `run'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/lib/cocoapods/command.rb:52:in `run'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/bin/pod:55:in `<top (required)>'
/usr/local/bin/pod:23:in `load'
/usr/local/bin/pod:23:in `<main>'

โ€•โ€•โ€• TEMPLATE END โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•

[!] Oh no, an error occurred.

Search for existing GitHub issues similar to yours:
https://github.com/CocoaPods/CocoaPods/search?q=Malformed+version+number+string+&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...

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LuXiong picture LuXiong on 23 May 2018

It's been fixed, there is a PR for it.

dnkoutso picture dnkoutso on 23 May 2018

How can I get that fixed version?

xngockhoix picture xngockhoix on 23 May 2018

I have same issue :(

sofienB picture sofienB on 23 May 2018
👍14 😄3

I solved the problem by upgrading my ruby and reinstall the cocoa pod

LuXiong picture LuXiong on 23 May 2018

I also encountered this problem, and tried the following steps to solve it:

  1. Brew update instructions update Homebrew(because there is no prompt, it will wait for a while to be completed)
  2. Install RVM
  3. Use RVM to install the latest version of ruby(this time using ruby-2.4.1)
  4. Use the command sudo gem install -n /usr/local/bin cocoapods to reload cocoapods.

The problem is fixed

huangshoumin picture huangshoumin on 23 May 2018
👍14 ❤1 🎉1 😄1

I resolved this issue by downgrade gem with this command line : update_rubygems _2.7.6_

sofienB picture sofienB on 23 May 2018
👍3

My config :
gem version : 2.7.6
ruby version : 2.4.1p111
cocoapods version : 1.5.2

sofienB picture sofienB on 23 May 2018

CocoaPods : 1.5.2
Ruby : ruby 2.3.3p222 (2016-11-21 revision 56859) [universal.x86_64-darwin17]
RubyGems : 2.7.7
Host : Mac OS X 10.13.4 (17E202)
Xcode : 9.3 (9E145)
Git : git version 2.15.1 (Apple Git-101)

Error

`` ArgumentError - Malformed version number string /Library/Ruby/Site/2.3.0/rubygems/version.rb:209:ininitialize'
/Library/Ruby/Site/2.3.0/rubygems/version.rb:200:in new' /Library/Ruby/Site/2.3.0/rubygems/version.rb:200:innew'
/Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/lib/cocoapods/generator/xcconfig/aggregate_xcconfig.rb:123:in embedded_content_settings' /Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.2/lib/cocoapods/generator/xcconfig/aggregate_xcconfig.rb:68:ingenerate'

help me๏ผŒthanks๏ผ

hujifenggg picture hujifenggg on 24 May 2018

@hujifenggg you can try to upgrade your ruby to 2.4.1 and reinstall your cocoa pod

LuXiong picture LuXiong on 24 May 2018
👍2

@LuXiong thanks๏ผ

hujifenggg picture hujifenggg on 24 May 2018

This should now be fixed in CocoaPods 1.5.3!

segiddins picture segiddins on 25 May 2018
👍3

@segiddins @DanToml @dnkoutso
Thank you very much for the assistance and the fix!

I can confirm that the issue has been fixed. So this thread can be closed.

vlazdra picture vlazdra on 25 May 2018

maybe you used rvm to update the system ruby version?
I get this issue and fixed it by uninstall all cocoa pods and then install it.
first rvm list all --local
them use rvm uninstall to uninstall all items listed named with cocoapods prefix,
and then exit the terminal, reopen it ,list again until no items names contains cocoapods, then you can install it with a new way

iPermanent picture iPermanent on 14 Jun 2018

something wrong at my last comment, that should be
gem list --local,
and gem uninstall cocoapods-xxx

iPermanent picture iPermanent on 14 Jun 2018

I am facing this error with CocoaPod version 1.7.2 and Xcode 9.4.x (including betas), installed on macOS 10.13 (High Sierra). Previously CocoaPod installation step was working fine with Xcode 9.2.*

KumMadhu picture KumMadhu on 4 Jul 2018

@KumMadhu There is no version 1.7.2. Check the CocoaPods version with pod --version

paulb777 picture paulb777 on 4 Jul 2018

maybe it's xcode 10 beta .
pod lib lint
get the error

- ERROR | [iOS] unknown: Encountered an unknown error (Malformed version number string ) during validation.

I installed Xcode 9.4.1 and 10beta ,then I uninstall 10beta. Pass it

tanpengsccd picture tanpengsccd on 4 Jul 2018
😄1

I had the same problem with CocoaPods 1.5.3 when pushing https://github.com/kukushi/SideMenu.
BTW, I have Xcode 9.4.1 and Xcode 10 installed.

kukushi picture kukushi on 8 Jul 2018

I unintall Xcode10beta fix it

Xing He notifications@github.comไบŽ2018ๅนด7ๆœˆ8ๆ—ฅ ๅ‘จๆ—ฅไธ‹ๅˆ3:25ๅ†™้“๏ผš

I had the same problem with CocoaPods 1.5.3 when pushing
https://github.com/kukushi/SideMenu.
BTW, I have Xcode 9.4.1 and Xcode 10 installed.

โ€”
You are receiving this because you commented.
Reply to this email directly, view it on GitHub
https://github.com/CocoaPods/CocoaPods/issues/7765#issuecomment-403268466,
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tanpengsccd picture tanpengsccd on 8 Jul 2018
👍1

@tanpengsccd
It works!
Temporarily put Xcode 10 into Trash solve this issue.

kukushi picture kukushi on 8 Jul 2018

gem 2.7.7 can not run cocoapods 1.3.x . 1.4.x
you should install rubygem in 2.7.6
please:
gem install rubygems-update -v 2.7.6
and
update_rubygems

then
pod install or pod update

StrongX picture StrongX on 16 Jul 2018
👍18 🎉4 ❤1 😄1

CocoaPods : 1.2.0
Ruby : ruby 2.3.7p456 (2018-03-28 revision 63024) [x86_64-darwin18]
RubyGems : 2.7.7
Host : Mac OS X 10.14 (18A326h)
Xcode : 10.0 (10L201y)
Git : git version 2.17.1 (Apple Git-111)
Ruby lib dir : /Users/rocklobster/.rvm/rubies/ruby-2.3.7/lib

and ArgumentError - Malformed version number string

KexingWestRoad picture KexingWestRoad on 18 Jul 2018

i fixed it.
@StrongX

gem 2.7.7 can not run cocoapods 1.3.x . 1.4.x
you should install rubygem in 2.7.6
please:
gem install rubygems-update -v 2.7.6
and
update_rubygems

then
pod install or pod update

Successed

KexingWestRoad picture KexingWestRoad on 18 Jul 2018
👍2

if your rubyGems version is 2.7.7 or higher you just can do like this
gem update --system 2.7.6
my problem has resolved by doing this.

BaihaoTian picture BaihaoTian on 18 Jul 2018
👍21 🎉4 ❤3 😄3

Error

ArgumentError - Malformed version number string 
/Users/admin/.rvm/rubies/ruby-2.4.1/lib/ruby/site_ruby/2.4.0/rubygems/version.rb:209:in `initialize'
/Users/admin/.rvm/rubies/ruby-2.4.1/lib/ruby/site_ruby/2.4.0/rubygems/version.rb:200:in `new'
/Users/admin/.rvm/rubies/ruby-2.4.1/lib/ruby/site_ruby/2.4.0/rubygems/version.rb:200:in `new'
/Users/admin/.rvm/gems/ruby-2.4.1/gems/cocoapods-1.2.1/lib/cocoapods/generator/xcconfig/aggregate_xcconfig.rb:116:in `embedded_content_settings'
/Users/admin/.rvm/gems/ruby-2.4.1/gems/cocoapods-1.2.1/lib/cocoapods/generator/xcconfig/aggregate_xcconfig.rb:64:in `generate'
/Users/admin/.rvm/gems/ruby-2.4.1/gems/cocoapods-1.2.1/lib/cocoapods/generator/xcconfig/aggregate_xcconfig.rb:39:in `save_as'
/Users/admin/.rvm/gems/ruby-2.4.1/gems/cocoapods-1.2.1/lib/cocoapods/installer/xcode/pods_project_generator/aggregate_target_installer.rb:87:in `block in create_xcconfig_file'
/Users/admin/.rvm/gems/ruby-2.4.1/gems/cocoapods-1.2.1/lib/cocoapods/installer/xcode/pods_project_generator/aggregate_target_installer.rb:84:in `each'
/Users/admin/.rvm/gems/ruby-2.4.1/gems/cocoapods-1.2.1/lib/cocoapods/installer/xcode/pods_project_generator/aggregate_target_installer.rb:84:in `create_xcconfig_file'
/Users/admin/.rvm/gems/ruby-2.4.1/gems/cocoapods-1.2.1/lib/cocoapods/installer/xcode/pods_project_generator/aggregate_target_installer.rb:18:in `block in install!'
/Users/admin/.rvm/gems/ruby-2.4.1/gems/cocoapods-1.2.1/lib/cocoapods/user_interface.rb:142:in `message'
/Users/admin/.rvm/gems/ruby-2.4.1/gems/cocoapods-1.2.1/lib/cocoapods/installer/xcode/pods_project_generator/aggregate_target_installer.rb:14:in `install!'
/Users/admin/.rvm/gems/ruby-2.4.1/gems/cocoapods-1.2.1/lib/cocoapods/installer/xcode/pods_project_generator.rb:160:in `block (2 levels) in install_libraries'
/Users/admin/.rvm/gems/ruby-2.4.1/gems/cocoapods-1.2.1/lib/cocoapods/installer/xcode/pods_project_generator.rb:158:in `each'
/Users/admin/.rvm/gems/ruby-2.4.1/gems/cocoapods-1.2.1/lib/cocoapods/installer/xcode/pods_project_generator.rb:158:in `block in install_libraries'
/Users/admin/.rvm/gems/ruby-2.4.1/gems/cocoapods-1.2.1/lib/cocoapods/user_interface.rb:142:in `message'
/Users/admin/.rvm/gems/ruby-2.4.1/gems/cocoapods-1.2.1/lib/cocoapods/installer/xcode/pods_project_generator.rb:152:in `install_libraries'
/Users/admin/.rvm/gems/ruby-2.4.1/gems/cocoapods-1.2.1/lib/cocoapods/installer/xcode/pods_project_generator.rb:64:in `generate!'
/Users/admin/.rvm/gems/ruby-2.4.1/gems/cocoapods-1.2.1/lib/cocoapods/installer.rb:179:in `block in generate_pods_project'
/Users/admin/.rvm/gems/ruby-2.4.1/gems/cocoapods-1.2.1/lib/cocoapods/user_interface.rb:64:in `section'
/Users/admin/.rvm/gems/ruby-2.4.1/gems/cocoapods-1.2.1/lib/cocoapods/installer.rb:178:in `generate_pods_project'
/Users/admin/.rvm/gems/ruby-2.4.1/gems/cocoapods-1.2.1/lib/cocoapods/installer.rb:115:in `install!'
/Users/admin/.rvm/gems/ruby-2.4.1/gems/cocoapods-1.2.1/lib/cocoapods/command/update.rb:81:in `run'
/Users/admin/.rvm/gems/ruby-2.4.1/gems/claide-1.0.1/lib/claide/command.rb:334:in `run'
/Users/admin/.rvm/gems/ruby-2.4.1/gems/cocoapods-1.2.1/lib/cocoapods/command.rb:52:in `run'
/Users/admin/.rvm/gems/ruby-2.4.1/gems/cocoapods-1.2.1/bin/pod:55:in `<top (required)>'
/Users/admin/.rvm/gems/ruby-2.4.1/bin/pod:23:in `load'
/Users/admin/.rvm/gems/ruby-2.4.1/bin/pod:23:in `<main>'
/Users/admin/.rvm/gems/ruby-2.4.1/bin/ruby_executable_hooks:15:in `eval'
/Users/admin/.rvm/gems/ruby-2.4.1/bin/ruby_executable_hooks:15:in `<main>'

โ€•โ€•โ€• TEMPLATE END โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•

[!] Oh no, an error occurred.

Search for existing GitHub issues similar to yours:
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If none exists, create a ticket, with the template displayed above, on:
https://github.com/CocoaPods/CocoaPods/issues/new

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and 34 more at:
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how to fix ๏ผŒ who know ? thx
ๆ€Žไนˆ่งฃๅ†ณ ๆœ‰ๅคงไฝฌ็ขฐๅˆฐ่ฟ‡ๅ—

ๆฅผไธŠๅคงไฝฌ็š„ๆ–นๆณ•่งฃๅ†ณไบ† ๆˆ‘็š„gem ๅฐฑๆ˜ฏ2.7.7็š„ๆ”นๆˆ2.7.6็š„ๅฐฑๅฅฝไบ†
if your rubyGems version is 2.7.7 or higher you just can do like this
//ๅ‘ฝไปค่กŒ
gem update --system 2.7.6
my problem has resolved by doing this.

sp55 picture sp55 on 8 Aug 2018 
admindeMacBook-Pro:mall-ios gongzelong$ gem --debug update --system 2.7.6
NOTE:  Debugging mode prints all exceptions even when rescued
Exception `LoadError' at /Users/gongzelong/.rvm/rubies/ruby-2.2.0/lib/ruby/2.2.0/resolv.rb:168 - LoadError
Exception `Errno::EEXIST' at /Users/gongzelong/.rvm/rubies/ruby-2.2.0/lib/ruby/2.2.0/fileutils.rb:252 - File exists @ dir_s_mkdir - /Users/gongzelong/.gem/specs/api.rubygems.org%443
Exception `Errno::ENOENT' at /Users/gongzelong/.rvm/rubies/ruby-2.2.0/lib/ruby/site_ruby/2.2.0/rubygems/remote_fetcher.rb:325 - No such file or directory @ rb_file_s_stat - /Users/gongzelong/.gem/specs/api.rubygems.org%443/specs.4.8
Exception `OpenSSL::SSL::SSLErrorWaitReadable' at /Users/gongzelong/.rvm/rubies/ruby-2.2.0/lib/ruby/2.2.0/openssl/buffering.rb:182 - read would block
Exception `OpenSSL::SSL::SSLErrorWaitReadable' at /Users/gongzelong/.rvm/rubies/ruby-2.2.0/lib/ruby/2.2.0/openssl/buffering.rb:182 - read would block
Exception `OpenSSL::SSL::SSLErrorWaitReadable' at /Users/gongzelong/.rvm/rubies/ruby-2.2.0/lib/ruby/2.2.0/openssl/buffering.rb:182 - read would block
Exception `OpenSSL::SSL::SSLErrorWaitReadable' at /Users/gongzelong/.rvm/rubies/ruby-2.2.0/lib/ruby/2.2.0/openssl/buffering.rb:182 - read would block
^CException `Interrupt' at /Users/gongzelong/.rvm/rubies/ruby-2.2.0/lib/ruby/2.2.0/net/protocol.rb:155 - 
ERROR:  Interrupted

### Command

/Users/gongzelong/.rvm/gems/ruby-2.2.0/bin/pod install

### Report



* What did you do?



* What did you expect to happen?



* What happened instead?





### Stack

CocoaPods : 1.2.1

    Ruby : ruby 2.2.0p0 (2014-12-25 revision 49005) [x86_64-darwin17]

RubyGems : 2.7.7

    Host : Mac OS X 10.13.6 (17G65)

   Xcode : 9.4.1 (9F2000)

     Git : git version 2.15.2 (Apple Git-101.1)

Ruby lib dir : /Users/gongzelong/.rvm/rubies/ruby-2.2.0/lib

admindeMacBook-Pro:mall-ios gongzelong$ gem install rubygems-update -v 2.7.6
admindeMacBook-Pro:mall-ios gongzelong$ update_rubygems
```

@LDKFighter thanks, it works for me.

gongzelong0718 picture gongzelong0718 on 8 Aug 2018

Maybe you can update ruby to 2.4+

Hanten picture Hanten on 27 Aug 2018
👍1

i had fixed by: sudo gem update --system 2.7.6

wjyx1lalala picture wjyx1lalala on 30 Aug 2018
👍3 🎉1

I am stuck on it from so many hours, tried everything:

Taruns-MacBook-Air:ios tarunnarula$ pod install
Analyzing dependencies

โ€•โ€•โ€• MARKDOWN TEMPLATE โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•

Command

/usr/local/bin/pod install

Report

  • What did you do?

  • What did you expect to happen?

  • What happened instead?

Stack

   CocoaPods : 1.5.3
        Ruby : ruby 2.5.1p57 (2018-03-29 revision 63029) [x86_64-darwin17]
    RubyGems : 2.7.6
        Host : Mac OS X 10.13.6 (17G65)
       Xcode : 10.0 (10A255)
         Git : git version 2.15.0
Ruby lib dir : /usr/local/Cellar/ruby/2.5.1/lib
Repositories : master - https://github.com/CocoaPods/Specs.git @ 82a0a895a73c99fe6e28cfa4458205ba828706f3

Plugins

cocoapods-deintegrate : 1.0.2
cocoapods-plugins     : 1.0.0
cocoapods-search      : 1.0.0
cocoapods-stats       : 1.0.0
cocoapods-trunk       : 1.3.1
cocoapods-try         : 1.1.0

Podfile

# Uncomment the next line to define a global platform for your project
platform :ios, '9.0'

target 'kosara' do
  # React Native third party dependencies podspecs for Kosara

  # Required by RNFirebase
  pod 'Firebase/Core'
  #pod 'Firebase/Firestore'
  pod 'Firebase/Messaging'

  pod 'RNVectorIcons', :path => '../node_modules/react-native-vector-icons'

end

Error

ArgumentError - Malformed version number string ~> 5.0.1
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-core-1.5.3/lib/cocoapods-core/version.rb:54:in `initialize'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-core-1.5.3/lib/cocoapods-core/vendor/version.rb:199:in `new'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-core-1.5.3/lib/cocoapods-core/vendor/version.rb:199:in `new'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-core-1.5.3/lib/cocoapods-core/specification.rb:154:in `name_and_version_from_string'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-core-1.5.3/lib/cocoapods-core/lockfile.rb:214:in `block in generate_pod_names_and_versions'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-core-1.5.3/lib/cocoapods-core/lockfile.rb:212:in `each'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-core-1.5.3/lib/cocoapods-core/lockfile.rb:212:in `generate_pod_names_and_versions'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-core-1.5.3/lib/cocoapods-core/lockfile.rb:240:in `pod_versions'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-core-1.5.3/lib/cocoapods-core/lockfile.rb:87:in `version'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-core-1.5.3/lib/cocoapods-core/lockfile.rb:168:in `block in dependencies_to_lock_pod_named'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-core-1.5.3/lib/cocoapods-core/lockfile.rb:167:in `map'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-core-1.5.3/lib/cocoapods-core/lockfile.rb:167:in `dependencies_to_lock_pod_named'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-core-1.5.3/lib/cocoapods-core/lockfile.rb:296:in `block in detect_changes_with_podfile'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-core-1.5.3/lib/cocoapods-core/lockfile.rb:294:in `each'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-core-1.5.3/lib/cocoapods-core/lockfile.rb:294:in `detect_changes_with_podfile'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-1.5.3/lib/cocoapods/installer/analyzer.rb:233:in `block in generate_podfile_state'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-1.5.3/lib/cocoapods/user_interface.rb:64:in `section'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-1.5.3/lib/cocoapods/installer/analyzer.rb:232:in `generate_podfile_state'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-1.5.3/lib/cocoapods/installer/analyzer.rb:82:in `analyze'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-1.5.3/lib/cocoapods/installer.rb:243:in `analyze'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-1.5.3/lib/cocoapods/installer.rb:154:in `block in resolve_dependencies'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-1.5.3/lib/cocoapods/user_interface.rb:64:in `section'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-1.5.3/lib/cocoapods/installer.rb:153:in `resolve_dependencies'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-1.5.3/lib/cocoapods/installer.rb:116:in `install!'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-1.5.3/lib/cocoapods/command/install.rb:41:in `run'
/usr/local/lib/ruby/gems/2.5.0/gems/claide-1.0.2/lib/claide/command.rb:334:in `run'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-1.5.3/lib/cocoapods/command.rb:52:in `run'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-1.5.3/bin/pod:55:in `<top (required)>'
/usr/local/bin/pod:23:in `load'
/usr/local/bin/pod:23:in `<main>'

โ€•โ€•โ€• TEMPLATE END โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•

[!] Oh no, an error occurred.

Search for existing GitHub issues similar to yours:
https://github.com/CocoaPods/CocoaPods/search?q=Malformed+version+number+string+~%3E+5.0.1&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...

Support will be appreciated

TarunNarula picture TarunNarula on 20 Sep 2018

I am stuck on it from so many hours, tried everything:

Taruns-MacBook-Air:ios tarunnarula$ pod install
Analyzing dependencies

โ€•โ€•โ€• MARKDOWN TEMPLATE โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•โ€•

Command

/usr/local/bin/pod install

Report

  • What did you do?
  • What did you expect to happen?
  • What happened instead?

Stack

   CocoaPods : 1.5.3
        Ruby : ruby 2.5.1p57 (2018-03-29 revision 63029) [x86_64-darwin17]
    RubyGems : 2.7.6
        Host : Mac OS X 10.13.6 (17G65)
       Xcode : 10.0 (10A255)
         Git : git version 2.15.0
Ruby lib dir : /usr/local/Cellar/ruby/2.5.1/lib
Repositories : master - https://github.com/CocoaPods/Specs.git @ 82a0a895a73c99fe6e28cfa4458205ba828706f3

Plugins

cocoapods-deintegrate : 1.0.2
cocoapods-plugins     : 1.0.0
cocoapods-search      : 1.0.0
cocoapods-stats       : 1.0.0
cocoapods-trunk       : 1.3.1
cocoapods-try         : 1.1.0

Podfile

# Uncomment the next line to define a global platform for your project
platform :ios, '9.0'

target 'kosara' do
  # React Native third party dependencies podspecs for Kosara

  # Required by RNFirebase
  pod 'Firebase/Core'
  #pod 'Firebase/Firestore'
  pod 'Firebase/Messaging'

  pod 'RNVectorIcons', :path => '../node_modules/react-native-vector-icons'

end

Error

ArgumentError - Malformed version number string ~> 5.0.1
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-core-1.5.3/lib/cocoapods-core/version.rb:54:in `initialize'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-core-1.5.3/lib/cocoapods-core/vendor/version.rb:199:in `new'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-core-1.5.3/lib/cocoapods-core/vendor/version.rb:199:in `new'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-core-1.5.3/lib/cocoapods-core/specification.rb:154:in `name_and_version_from_string'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-core-1.5.3/lib/cocoapods-core/lockfile.rb:214:in `block in generate_pod_names_and_versions'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-core-1.5.3/lib/cocoapods-core/lockfile.rb:212:in `each'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-core-1.5.3/lib/cocoapods-core/lockfile.rb:212:in `generate_pod_names_and_versions'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-core-1.5.3/lib/cocoapods-core/lockfile.rb:240:in `pod_versions'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-core-1.5.3/lib/cocoapods-core/lockfile.rb:87:in `version'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-core-1.5.3/lib/cocoapods-core/lockfile.rb:168:in `block in dependencies_to_lock_pod_named'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-core-1.5.3/lib/cocoapods-core/lockfile.rb:167:in `map'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-core-1.5.3/lib/cocoapods-core/lockfile.rb:167:in `dependencies_to_lock_pod_named'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-core-1.5.3/lib/cocoapods-core/lockfile.rb:296:in `block in detect_changes_with_podfile'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-core-1.5.3/lib/cocoapods-core/lockfile.rb:294:in `each'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-core-1.5.3/lib/cocoapods-core/lockfile.rb:294:in `detect_changes_with_podfile'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-1.5.3/lib/cocoapods/installer/analyzer.rb:233:in `block in generate_podfile_state'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-1.5.3/lib/cocoapods/user_interface.rb:64:in `section'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-1.5.3/lib/cocoapods/installer/analyzer.rb:232:in `generate_podfile_state'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-1.5.3/lib/cocoapods/installer/analyzer.rb:82:in `analyze'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-1.5.3/lib/cocoapods/installer.rb:243:in `analyze'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-1.5.3/lib/cocoapods/installer.rb:154:in `block in resolve_dependencies'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-1.5.3/lib/cocoapods/user_interface.rb:64:in `section'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-1.5.3/lib/cocoapods/installer.rb:153:in `resolve_dependencies'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-1.5.3/lib/cocoapods/installer.rb:116:in `install!'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-1.5.3/lib/cocoapods/command/install.rb:41:in `run'
/usr/local/lib/ruby/gems/2.5.0/gems/claide-1.0.2/lib/claide/command.rb:334:in `run'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-1.5.3/lib/cocoapods/command.rb:52:in `run'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-1.5.3/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:
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If none exists, create a ticket, with the template displayed above, on:
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Looking for related issues on cocoapods/cocoapods...

  • iOS framework addition failed due to a Cocoapods installation failure.
    #7767 [closed] [1 comment]
    22 May 2018
  • Malformed version number string Base.lproj
    #1582 [closed] [1 comment]
    12 Nov 2013
  • Pod install failed unexpectedly
    #1544 [closed] [1 comment]
    11 Nov 2013

Support will be appreciated

maybe you have installed the bundler?
you can run : gem list --local
and then : gem uninstall cocoapods-xxx to install all things that have cocoapods prefix
and last sudo gem install cocoapods

iPermanent picture iPermanent on 20 Sep 2018

@iPermanent Thank you very much for replying, I have done the same suggested by you, but still facing the same error:

Taruns-MacBook-Air:ios tarunnarula$ pod install
Analyzing dependencies

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Command

/usr/local/bin/pod install

Report

  • What did you do?

  • What did you expect to happen?

  • What happened instead?

Stack

   CocoaPods : 1.5.3
        Ruby : ruby 2.5.1p57 (2018-03-29 revision 63029) [x86_64-darwin17]
    RubyGems : 2.7.6
        Host : Mac OS X 10.13.6 (17G65)
       Xcode : 10.0 (10A255)
         Git : git version 2.15.0
Ruby lib dir : /usr/local/Cellar/ruby/2.5.1/lib
Repositories : master - https://github.com/CocoaPods/Specs.git @ 82a0a895a73c99fe6e28cfa4458205ba828706f3

Plugins

cocoapods-deintegrate : 1.0.2
cocoapods-plugins     : 1.0.0
cocoapods-search      : 1.0.0
cocoapods-stats       : 1.0.0
cocoapods-trunk       : 1.3.1
cocoapods-try         : 1.1.0

Podfile

# Uncomment the next line to define a global platform for your project
platform :ios, '9.0'

target 'kosara' do
  # React Native third party dependencies podspecs for Kosara

  # Required by RNFirebase
  pod 'Firebase/Core'
  #pod 'Firebase/Firestore'
  pod 'Firebase/Messaging'

  pod 'yoga', :path =>  '../node_modules/ReactCommon/yoga'

  # React Native
  pod 'React', :path => '../node_modules', :subspecs => [
    'Core',
    'CxxBridge',
    'RCTText',
    'RCTNetwork',
    'RCTWebSocket',
    'RCTImage',
    'RCTNetwork',
    'DevSupport'
  ]


  pod 'RNVectorIcons', :path => '../node_modules/react-native-vector-icons'

end

Error

ArgumentError - Malformed version number string ~> 5.0.1
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-core-1.5.3/lib/cocoapods-core/version.rb:54:in `initialize'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-core-1.5.3/lib/cocoapods-core/vendor/version.rb:199:in `new'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-core-1.5.3/lib/cocoapods-core/vendor/version.rb:199:in `new'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-core-1.5.3/lib/cocoapods-core/specification.rb:154:in `name_and_version_from_string'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-core-1.5.3/lib/cocoapods-core/lockfile.rb:214:in `block in generate_pod_names_and_versions'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-core-1.5.3/lib/cocoapods-core/lockfile.rb:212:in `each'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-core-1.5.3/lib/cocoapods-core/lockfile.rb:212:in `generate_pod_names_and_versions'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-core-1.5.3/lib/cocoapods-core/lockfile.rb:240:in `pod_versions'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-core-1.5.3/lib/cocoapods-core/lockfile.rb:87:in `version'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-core-1.5.3/lib/cocoapods-core/lockfile.rb:168:in `block in dependencies_to_lock_pod_named'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-core-1.5.3/lib/cocoapods-core/lockfile.rb:167:in `map'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-core-1.5.3/lib/cocoapods-core/lockfile.rb:167:in `dependencies_to_lock_pod_named'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-core-1.5.3/lib/cocoapods-core/lockfile.rb:296:in `block in detect_changes_with_podfile'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-core-1.5.3/lib/cocoapods-core/lockfile.rb:294:in `each'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-core-1.5.3/lib/cocoapods-core/lockfile.rb:294:in `detect_changes_with_podfile'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-1.5.3/lib/cocoapods/installer/analyzer.rb:233:in `block in generate_podfile_state'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-1.5.3/lib/cocoapods/user_interface.rb:64:in `section'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-1.5.3/lib/cocoapods/installer/analyzer.rb:232:in `generate_podfile_state'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-1.5.3/lib/cocoapods/installer/analyzer.rb:82:in `analyze'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-1.5.3/lib/cocoapods/installer.rb:243:in `analyze'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-1.5.3/lib/cocoapods/installer.rb:154:in `block in resolve_dependencies'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-1.5.3/lib/cocoapods/user_interface.rb:64:in `section'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-1.5.3/lib/cocoapods/installer.rb:153:in `resolve_dependencies'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-1.5.3/lib/cocoapods/installer.rb:116:in `install!'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-1.5.3/lib/cocoapods/command/install.rb:41:in `run'
/usr/local/lib/ruby/gems/2.5.0/gems/claide-1.0.2/lib/claide/command.rb:334:in `run'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-1.5.3/lib/cocoapods/command.rb:52:in `run'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-1.5.3/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=Malformed+version+number+string+~%3E+5.0.1&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...

and 1 more at:
https://github.com/cocoapods/cocoapods/search?q=Malformed%20version%20number%20string%20~%3E%205.0.1&type=Issues&utf8=โœ“
Taruns-MacBook-Air:ios tarunnarula$

TarunNarula picture TarunNarula on 20 Sep 2018

just noting that my bug report (malformed version number string) was closed as a duplicate of this.
https://github.com/CocoaPods/CocoaPods/issues/8240

fwiw - it seems like a fairly simple bug to me if cocoapods fails on gem 2.7.7 without saying why.

just checking the gem number and saying 'we can't run here' would have saved a bunch of time

ConfusedVorlon picture ConfusedVorlon on 3 Nov 2018

if you account was managered,fix it with gem update --system 2.3.0 -n /usr/local/bin

luckysunle picture luckysunle on 26 Aug 2019

podfile add

inhibit_all_warnings!
source 'https://github.com/CocoaPods/Specs.git' # ๅฎ˜ๆ–นๅบ“

XiaBaKe picture XiaBaKe on 11 May 2020
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