Determine SSH on main thread for up? to fix issues with multi-thread access on JRuby

lib/vagrant/ssh.rb

@@ -61,12 +61,12 @@ module Vagrant
       # Merge in any additional options
       opts = opts.dup
       opts[:forward_agent] = true if env.config.ssh.forward_agent
+      opts[:port] ||= port
 
       retryable(:tries => 5, :on => Errno::ECONNREFUSED) do
         Net::SSH.start(env.config.ssh.host,
                        env.config.ssh.username,
-                       opts.merge( :port => port,
-                                   :keys => [env.config.ssh.private_key_path],
+                       opts.merge( :keys => [env.config.ssh.private_key_path],
                                    :user_known_hosts_file => [],
                                    :paranoid => false,
                                    :config => false)) do |ssh|
@@ -93,8 +93,14 @@ module Vagrant
     #
     # @return [Boolean]
     def up?
+      # We have to determine the port outside of the block since it uses
+      # API calls which can only be used from the main thread in JRuby on
+      # Windows
+      ssh_port = port
+
       Timeout.timeout(env.config.ssh.timeout) do
-        execute(:timeout => env.config.ssh.timeout) { |ssh| }
+        execute(:timeout => env.config.ssh.timeout,
+                :port => ssh_port) { |ssh| }
       end
 
       true

test/vagrant/ssh_test.rb

@@ -221,7 +221,11 @@ class SshTest < Test::Unit::TestCase
     end
 
     should "specifity the timeout as an option to execute" do
-      @ssh.expects(:execute).with(:timeout => @env.config.ssh.timeout).yields(true)
+      @ssh.expects(:execute).yields(true).with() do |opts|
+        assert_equal @env.config.ssh.timeout, opts[:timeout]
+        true
+      end
+
       assert @ssh.up?
     end
 
@@ -229,6 +233,11 @@ class SshTest < Test::Unit::TestCase
       @ssh.expects(:execute).raises(Net::SSH::AuthenticationFailed)
       assert_raises(Vagrant::Errors::SSHAuthenticationFailed) { @ssh.up? }
     end
+
+    should "only get the port once (in the main thread)" do
+      @ssh.expects(:port).once.returns(2222)
+      @ssh.up?
+    end
   end
 
   context "getting the ssh port" do