work around Excon problem with JRuby + SSL

Gemfile

@@ -7,7 +7,7 @@ end
 group :test do
   gem 'em-http-request', '~> 1.0', :require => 'em-http'
   gem 'em-synchrony', '~> 1.0', :require => ['em-synchrony', 'em-synchrony/em-http'], :platforms => :ruby_19
-  gem 'excon', '>= 0.14.1'
+  gem 'excon', '>= 0.16.1'
   gem 'httpclient', '~> 2.2'
   gem 'net-http-persistent', '~> 2.5', :require => false
   gem 'leftright', '~> 0.9', :require => false

lib/faraday/adapter/excon.rb

@@ -16,6 +16,10 @@ module Faraday
           opts[:ssl_verify_peer] = !!ssl.fetch(:verify, true)
           opts[:ssl_ca_path] = ssl[:ca_path] if ssl[:ca_path]
           opts[:ssl_ca_file] = ssl[:ca_file] if ssl[:ca_file]
+
+          # https://github.com/geemus/excon/issues/106
+          # https://github.com/jruby/jruby-ossl/issues/19
+          opts[:nonblock] = false
         end
 
         if ( req = env[:request] )

test/adapters/excon_test.rb

@@ -5,6 +5,9 @@ module Adapters
 
     def adapter() :excon end
 
-    Integration.apply(self, :NonParallel)
+    Integration.apply(self, :NonParallel) do
+      # https://github.com/geemus/excon/issues/126 ?
+      undef :test_timeout if ssl_mode?
+    end
   end
 end

test/helper.rb

@@ -74,6 +74,10 @@ module Faraday
       defined? RUBY_ENGINE and 'jruby' == RUBY_ENGINE
     end
 
+    def self.rbx?
+      defined? RUBY_ENGINE and 'rbx' == RUBY_ENGINE
+    end
+
     def self.ssl_mode?
       ENV['SSL'] == 'yes'
     end