From: "Don P." <don.park@...>
Date: 2011-01-09T14:35:21+09:00
Subject: Re: Error with Gem Outdated command

I'm getting the same error from gem outdated.

$ gem outdated -V --backtrace
GET http://rubygems.org/latest_specs.4.8.gz
302 Found
GET http://production.s3.rubygems.org/latest_specs.4.8.gz
304 Not Modified
acts_as_commentable (3.0.0 < 3.0.1)
authlogic (2.1.3 < 2.1.6)
aws (2.3.32 < 2.3.34)
bcrypt-ruby (2.1.3 < 2.1.4)
bluecloth (2.0.7 < 2.0.9)
bson (1.1 < 1.1.5)
bson_ext (1.1 < 1.1.5)
builder (2.1.2 < 3.0.0)
business_time (0.3.0 < 0.3.1)
capybara (0.3.9 < 0.4.0)
childprocess (0.1.4 < 0.1.6)
coderay (0.9.3 < 0.9.6)
culerity (0.2.13 < 0.2.14)
database_cleaner (0.5.2 < 0.6.0)
ERROR:  While executing gem ... (NoMethodError)
    undefined method `first' for nil:NilClass
  /usr/local/ruby-enterprise-1.8.7-2010.01/lib/ruby/site_ruby/1.8/rubygems/commands/outdated_command.rb:26:in 
`execute'
  /usr/local/ruby-enterprise-1.8.7-2010.01/lib/ruby/site_ruby/1.8/rubygems/commands/outdated_command.rb:21:in 
`each'
  /usr/local/ruby-enterprise-1.8.7-2010.01/lib/ruby/site_ruby/1.8/rubygems/commands/outdated_command.rb:21:in 
`execute'
  /usr/local/ruby-enterprise-1.8.7-2010.01/lib/ruby/site_ruby/1.8/rubygems/command.rb:278:in 
`invoke'
  /usr/local/ruby-enterprise-1.8.7-2010.01/lib/ruby/site_ruby/1.8/rubygems/command_manager.rb:134:in 
`process_args'
  /usr/local/ruby-enterprise-1.8.7-2010.01/lib/ruby/site_ruby/1.8/rubygems/command_manager.rb:104:in 
`run'
  /usr/local/ruby-enterprise-1.8.7-2010.01/lib/ruby/site_ruby/1.8/rubygems/gem_runner.rb:63:in 
`run'
  /usr/local/ruby-enterprise-1.8.7-2010.01/bin/gem:21

$ gem env
RubyGems Environment:
  - RUBYGEMS VERSION: 1.4.2
  - RUBY VERSION: 1.8.7 (2009-12-24 patchlevel 248) [i686-linux]
  - INSTALLATION DIRECTORY: 
/usr/local/ruby-enterprise-1.8.7-2010.01/lib/ruby/gems/1.8
  - RUBY EXECUTABLE: /usr/local/ruby-enterprise-1.8.7-2010.01/bin/ruby
  - EXECUTABLE DIRECTORY: /usr/local/ruby-enterprise-1.8.7-2010.01/bin
  - RUBYGEMS PLATFORMS:
    - ruby
    - x86-linux
  - GEM PATHS:
     - /usr/local/ruby-enterprise-1.8.7-2010.01/lib/ruby/gems/1.8
     - /home/donp/.gem/ruby/1.8
  - GEM CONFIGURATION:
     - :update_sources => true
     - :verbose => true
     - :benchmark => false
     - :backtrace => false
     - :bulk_threshold => 1000
     - "gem" => "--no-ri --no-rdoc"
     - :sources => ["http://rubygems.org"]
  - REMOTE SOURCES:
     - http://rubygems.org

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