disconnect results in "Transport failed" error in ActiveMQ when using hashed login

example.rb

####Example 1 - Connecting to stomp without using a Hash seems to work correctly

require 'stomp'
@queue_name = "/queue/testing_kill_thread"
@subscription_headers = {:ack => 'client'}

thread = Thread.new do
  @stomp = Stomp::Connection.new('', '', 'localhost', 61613, false)
  @stomp.subscribe(@queue_name, @subscription_headers)
  msg = @stomp.receive
end

sleep(2)
puts "unsubscribing"
@stomp.unsubscribe(@queue_name, @subscription_headers)
@stomp.disconnect
puts "disconnected"

#==> unsubscribing
#==> disconnected

## ActiveMQ - No errors - All seems to be working correctly


####Example 2 - This way doesn't seem to disconnect properly when using a Hash to connect

require 'stomp'

@stomp_connection_hash = {
        :hosts => [
          {:login => '',
           :passcode => '',
           :host => 'localhost',
           :port => 61613,
           :ssl => false}

        ]
}
@queue_name = "/queue/testing_kill_thread"
@subscription_headers = {:ack => 'client'}

thread = Thread.new do
  @stomp = Stomp::Connection.new(@stomp_connection_hash)
  @stomp.subscribe(@queue_name, @subscription_headers)
  msg = @stomp.receive
end

sleep(2)
puts "unsubscribing"
@stomp.unsubscribe(@queue_name, @subscription_headers)
@stomp.disconnect        #The error below is coming when disconnect is called here
puts "disconnected"

#==> unsubscribing
#==> receive failed: stream closeddisconnected

## ActiveMQ - Error
# INFO | Transport failed: java.net.SocketException: Connection reset