SEVERE: Error: unable to initialize application
org.jruby.rack.RackInitializationException: No compatible versions could be found for required dependencies:
    neo4j (>= 0.4.1, runtime) not found in any of the sources
      required by neo4j-rails (>= 0, runtime)
    All possible versions of origin requirements conflict.
	from /Users/nicksieger/Projects/ruby/jruby/lib/ruby/gems/1.8/gems/bundler-0.9.16/lib/bundler/resolver.rb:39:in `catch'
	from /Users/nicksieger/Projects/ruby/jruby/lib/ruby/gems/1.8/gems/bundler-0.9.16/lib/bundler/resolver.rb:39:in `resolve'
	from /Users/nicksieger/Projects/ruby/jruby/lib/ruby/gems/1.8/gems/bundler-0.9.16/lib/bundler/environment.rb:55:in `resolve'
	from /Users/nicksieger/Projects/ruby/jruby/lib/ruby/gems/1.8/gems/bundler-0.9.16/lib/bundler/environment.rb:59:in `resolve_locally'
	from /Users/nicksieger/Projects/ruby/jruby/lib/ruby/gems/1.8/gems/bundler-0.9.16/lib/bundler/environment.rb:28:in `specs'
	from /Users/nicksieger/Projects/ruby/jruby/lib/ruby/gems/1.8/gems/bundler-0.9.16/lib/bundler/environment.rb:69:in `specs_for'
	from /Users/nicksieger/Projects/ruby/jruby/lib/ruby/gems/1.8/gems/bundler-0.9.16/lib/bundler/environment.rb:23:in `requested_specs'
	from /Users/nicksieger/Projects/ruby/jruby/lib/ruby/gems/1.8/gems/bundler-0.9.16/lib/bundler/runtime.rb:18:in `setup'
	 ... 8 levels...
	from file:/Users/nicksieger/Projects/ruby/jruby/lib/ruby/gems/1.8/gems/jruby-rack-0.9.7/lib/jruby-rack-0.9.7.jar!/vendor/rack-1.1.0/rack/builder.rb:46:in `initialize'
	from <script>:2:in `new'
	from <script>:2

	at org.jruby.rack.DefaultRackApplicationFactory$4.init(DefaultRackApplicationFactory.java:172)
	at org.jruby.rack.PoolingRackApplicationFactory$1.run(PoolingRackApplicationFactory.java:157)
	at java.lang.Thread.run(Thread.java:637)