Selenium::WebDriver::Error::WebDriverError: unexpected response, code=503, content-type="text/html"
from /Users/karlosmid/.rvm/gems/ruby-2.1.2@lawfirmmatrix/gems/selenium-webdriver-2.44.0/lib/selenium/webdriver/remote/http/common.rb:66:in `create_response'
from /Users/karlosmid/.rvm/gems/ruby-2.1.2@lawfirmmatrix/gems/selenium-webdriver-2.44.0/lib/selenium/webdriver/remote/http/default.rb:66:in `request'
from /Users/karlosmid/.rvm/gems/ruby-2.1.2@lawfirmmatrix/gems/selenium-webdriver-2.44.0/lib/selenium/webdriver/remote/http/common.rb:40:in `call'
from /Users/karlosmid/.rvm/gems/ruby-2.1.2@lawfirmmatrix/gems/selenium-webdriver-2.44.0/lib/selenium/webdriver/remote/bridge.rb:640:in `raw_execute'
from /Users/karlosmid/.rvm/gems/ruby-2.1.2@lawfirmmatrix/gems/selenium-webdriver-2.44.0/lib/selenium/webdriver/remote/bridge.rb:101:in `create_session'
from /Users/karlosmid/.rvm/gems/ruby-2.1.2@lawfirmmatrix/gems/selenium-webdriver-2.44.0/lib/selenium/webdriver/remote/bridge.rb:68:in `initialize'
from /Users/karlos