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Asked: 2026-06-06T22:54:58+00:00

I recently installed a ruby based tooling using gem, and when I try to

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I recently installed a ruby based tooling using gem, and when I try to run the tools I get the following error. How do I resolve it ?

 Invalid gemspec in [/var/lib/gems/1.8/specifications/commander-4.1.2.gemspec]: invalid date format in specification: "2012-02-17 00:00:00.000000000Z"
    /usr/lib/ruby/vendor_ruby/1.8/rubygems/custom_require.rb:53:in `gem_original_require': no such file to load -- commander/user_interaction (LoadError)
        from /usr/lib/ruby/vendor_ruby/1.8/rubygems/custom_require.rb:53:in `require'
        from /var/lib/gems/1.8/gems/rhc-0.93.19/lib/rhc/helpers.rb:1
        from /usr/lib/ruby/vendor_ruby/1.8/rubygems/custom_require.rb:53:in `gem_original_require'
        from /usr/lib/ruby/vendor_ruby/1.8/rubygems/custom_require.rb:53:in `require'
        from /var/lib/gems/1.8/gems/rhc-0.93.19/lib/rhc-rest.rb:11
        from /usr/lib/ruby/vendor_ruby/1.8/rubygems/custom_require.rb:53:in `gem_original_require'
        from /usr/lib/ruby/vendor_ruby/1.8/rubygems/custom_require.rb:53:in `require'
        from /var/lib/gems/1.8/gems/rhc-0.93.19/lib/rhc-common.rb:12
        from /usr/lib/ruby/vendor_ruby/1.8/rubygems/custom_require.rb:53:in `gem_original_require'
        from /usr/lib/ruby/vendor_ruby/1.8/rubygems/custom_require.rb:53:in `require'
        from /var/lib/gems/1.8/gems/rhc-0.93.19/bin/rhc:7
        from /usr/local/bin/rhc:19:in `load'
        from /usr/local/bin/rhc:19

I installed commander as per the answer below, and when I try to run now it gives me the following error –

Invalid gemspec in [/var/lib/gems/1.8/specifications/commander-4.1.2.gemspec]: invalid date format in specification: "2012-02-17 00:00:00.000000000Z"
/usr/lib/ruby/vendor_ruby/1.8/rubygems/custom_require.rb:53:in `gem_original_require': no such file to load -- commander/user_interaction (LoadError)
    from /usr/lib/ruby/vendor_ruby/1.8/rubygems/custom_require.rb:53:in `require'
    from /var/lib/gems/1.8/gems/rhc-0.93.19/lib/rhc/helpers.rb:1
    from /usr/lib/ruby/vendor_ruby/1.8/rubygems/custom_require.rb:53:in `gem_original_require'
    from /usr/lib/ruby/vendor_ruby/1.8/rubygems/custom_require.rb:53:in `require'
    from /var/lib/gems/1.8/gems/rhc-0.93.19/lib/rhc-rest.rb:11
    from /usr/lib/ruby/vendor_ruby/1.8/rubygems/custom_require.rb:53:in `gem_original_require'
    from /usr/lib/ruby/vendor_ruby/1.8/rubygems/custom_require.rb:53:in `require'
    from /var/lib/gems/1.8/gems/rhc-0.93.19/lib/rhc-common.rb:12
    from /usr/lib/ruby/vendor_ruby/1.8/rubygems/custom_require.rb:53:in `gem_original_require'
    from /usr/lib/ruby/vendor_ruby/1.8/rubygems/custom_require.rb:53:in `require'
    from /var/lib/gems/1.8/gems/rhc-0.93.19/bin/rhc:7
    from /usr/local/bin/rhc:19:in `load'
    from /usr/local/bin/rhc:19
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1 Answer

  1. Editorial Team

    I guess, You are using commander gem. Please install it by

    gem install commander

    Version is 4.1.1

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