Is [this failure](https://jenkins.10gen.com/view/Ruby/job/mongo-ruby-driver-1.x-stable/mongodb_server=legacy-release,os_arch=linux64,ruby_language_version=jruby-1.7.8,test_type=without-ext/lastBuild/console) related or resolved by this change? We don't test without extensions on Travis, but it looks like Jenkins is failing under JRuby when the Java extensions are disabled.