title: irb doesn't load gem that I created
body: <p>I'm using <code>jruby</code> in <code>1.9</code> mode.</p>
  
  <pre><code>➜  nittresults git:(master) ✗ ruby -v
  jruby 1.6.7.2 (ruby-1.9.2-p312) (2012-05-01 26e08ba) (Java HotSpot(TM) 64-Bit Server VM 1.6.0_24) [darwin-x86_64-java]
  ➜  nittresults git:(master) ✗ which gem
  gem: aliased to jruby --1.9 -S gem
  ➜  nittresults git:(master) ✗ which irb
  irb: aliased to jruby --1.9 -S irb
  </code></pre>
  
  <p>I have created a gem nittresults, after installing it I can't load it inside irb. The error message is shown below</p>
  
  <pre><code>➜  nittresults git:(master) ✗ gem list | grep -i nitt
  nittresults (0.0.1)
  ➜  nittresults git:(master) ✗ irb
  irb(main):001:0&gt; require 'nittresults'
  LoadError: no such file to load -- nittresults
      from org/jruby/RubyKernel.java:1042:in `require'
      from /Library/Frameworks/JRuby.framework/Versions/Current/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:36:in `require'
      from (irb):1:in `evaluate'
      from org/jruby/RubyKernel.java:1088:in `eval'
      from org/jruby/RubyKernel.java:1410:in `loop'
      from org/jruby/RubyKernel.java:1197:in `catch'
      from org/jruby/RubyKernel.java:1197:in `catch'
      from /Library/Frameworks/JRuby.framework/Versions/Current/bin/jirb:13:in `(root)'
  </code></pre>
  
  <p>How can I get it to load inside of irb?
  I'm on osx snow leopard 10.6.8.</p>
  
  <p>Here is the output og <code>gem env</code></p>
  
  <pre><code>RubyGems Environment:
    - RUBYGEMS VERSION: 1.8.24
    - RUBY VERSION: 1.9.2 (2012-05-01 patchlevel 312) [java]
    - INSTALLATION DIRECTORY: /Library/Frameworks/JRuby.framework/Gems/1.9
    - RUBY EXECUTABLE: /Library/Frameworks/JRuby.framework/Versions/Current/bin/jruby
    - EXECUTABLE DIRECTORY: /Library/Frameworks/JRuby.framework/Versions/Current/bin
    - RUBYGEMS PLATFORMS:
      - ruby
      - universal-java-1.6
    - GEM PATHS:
       - /Library/Frameworks/JRuby.framework/Gems/1.9
       - /Users/User/.gem/jruby/1.9
    - GEM CONFIGURATION:
       - :update_sources =&gt; true
       - :verbose =&gt; true
       - :benchmark =&gt; false
       - :backtrace =&gt; false
       - :bulk_threshold =&gt; 1000
       - "install" =&gt; "--no-rdoc --no-ri"
       - "update" =&gt; "--no-rdoc --no-ri"
    - REMOTE SOURCES:
       - http://rubygems.org/
  </code></pre>
  
  <p>Here's the output of <code>puts $:</code></p>
  
  <pre><code>➜  nittresults git:(master) ✗ irb      
  irb(main):001:0&gt; puts $:
  /Library/Frameworks/JRuby.framework/Versions/Current/lib/ruby/site_ruby/1.9
  /Library/Frameworks/JRuby.framework/Versions/Current/lib/ruby/site_ruby/shared
  /Library/Frameworks/JRuby.framework/Versions/Current/lib/ruby/site_ruby/1.8
  /Library/Frameworks/JRuby.framework/Versions/Current/lib/ruby/1.9
  =&gt; nil
  </code></pre>