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Editorial Team
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Asked: 2026-05-24T20:52:44+00:00

When I include a gem that I made, thanks to Bundler (version 1.0.12), in

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When I include a gem that I made, thanks to Bundler (version 1.0.12), in a Gemfile and then I try to bundle or to rake just like that:

$ rake

I’ve got this error message:

Invalid gemspec in [/Users/zagzag/.rvm/gems/ruby-1.9.2-p180@foobar/specifications/myplugin-1.0.0.gemspec]: invalid date format in specification: "2011-04-21 00:00:00.000000000Z"

I’m on the last Mac OS X (10.6.4), with:

$ ruby -v
ruby 1.9.2p180 (2011-02-18 revision 30909) [x86_64-darwin10.4.0]

and:

$ gem -v
Invalid gemspec in [/Users/zagzag/.rvm/gems/ruby-1.9.2-p180@foobar/specifications/myplugin-1.0.0.gemspec]: invalid date format in specification: "2011-04-21 00:00:00.000000000Z"
1.7.2

I really don’t see how to solve this issue. Thanks for any ideas.

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1 Answer

  1. Editorial Team

    Here is the way I fix the “invalid date format in specification” error:

    1.) Go to the specifications folder located at:

    /usr/local/lib/ruby/gems/1.8/specifications/

    2.) Find the spec that is causing the problem.

    3.) Change s.date = %q{2011-05-21 00:00:00.000000000Z} to s.date = %q{2011-05-21}

    That’s a WIN for me! Good Luck

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