# Invalid gemspec - Mac

**URL:** <https://www.ruby-forum.com/t/invalid-gemspec-mac/215315>\
**Category:** IT\
**Created:** [December 30, 2011, 1:29am UTC](https://www.ruby-forum.com/t/invalid-gemspec-mac/215315 "2011-12-30T01:29:17Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![dubstep](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/d/cdc98d/32.png) [@dubstep](https://www.ruby-forum.com/u/dubstep)\
**Post date:** [December 30, 2011, 1:29am UTC](https://www.ruby-forum.com/t/invalid-gemspec-mac/215315/1 "2011-12-30T01:29:17Z")

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Salve a tutti,  
ogni volta che avvio il server mi appare di seguito questi errori:

* * *

MacBook-Pro-di-Alex:linkapp alex$ rails server  
Invalid gemspec in  
[/Library/Ruby/Gems/1.8/specifications/activemodel-3.2.0.rc1.gemspec]:  
Illformed requirement [“#YAML::Syck::DefaultKey:0x108d0dbe0  
3.2.0.rc1”]  
Invalid gemspec in  
[/Library/Ruby/Gems/1.8/specifications/activemodel-3.2.0.rc1.gemspec]:  
Illformed requirement [“#YAML::Syck::DefaultKey:0x108d0dbe0  
3.2.0.rc1”]  
Invalid gemspec in  
[/Library/Ruby/Gems/1.8/specifications/activemodel-3.2.0.rc1.gemspec]:  
Illformed requirement [“#YAML::Syck::DefaultKey:0x108d0dbe0  
3.2.0.rc1”]  
=\> Booting WEBrick  
=\> Rails 3.1.0 application starting in development on  
[http://0.0.0.0:3000](http://0.0.0.0:3000)  
=\> Call with -d to detach  
=\> Ctrl-C to shutdown server  
[2011-12-30 01:26:53] INFO WEBrick 1.3.1  
[2011-12-30 01:26:53] INFO ruby 1.8.7 (2010-01-10)  
[universal-darwin11.0]  
[2011-12-30 01:26:53] INFO WEBrick::HTTPServer#start: pid=14653  
port=3000

* * *

ho aggiornato di tutto ma il problema resta…  
helpp!!

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**Author:** ![alexgenovese](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/a/ed655f/32.png) [@alexgenovese](https://www.ruby-forum.com/u/alexgenovese)\
**Post date:** [December 30, 2011, 12:53pm UTC](https://www.ruby-forum.com/t/invalid-gemspec-mac/215315/2 "2011-12-30T12:53:04Z")

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Il problema non tuo, ma di chi ha fatto il build della gem: hanno usato  
Ruby 1.9. C’era gi stato un precedente con la release 3.1.0 e hanno  
dovuto  
rimediare all’errore.

Luca

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**Author:** ![alexgenovese](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/a/ed655f/32.png) [@alexgenovese](https://www.ruby-forum.com/u/alexgenovese)\
**Post date:** [January 3, 2012, 9:28pm UTC](https://www.ruby-forum.com/t/invalid-gemspec-mac/215315/3 "2012-01-03T21:28:08Z")

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Spero che lo ripristino presto!