Experto en Ruby

Tenemos un scraper desarrollado en RUBY que utiliza selenium y firefox.

Estaba funcionando correctamente pero de una o dos semanas a la fecha comenzamos a tener problemas.
Copiaré alguno de los errores que encontramos en el logo que generamos para que puedan observar la situación.


E, [2016-10-09T22:53:46.550596 #28500] ERROR -- : Element is no longer attached to the DOM
E, [2016-10-09T22:08:22.964067 #19206] ERROR -- : ["[remote server] resource://fxdriver/modules/web-element-cache.js:9457:in `fxdriver.cache.getElementAt'", "[remote server] file:///tmp/webdriver-rb-profilecopy20161009-19206-s15qqi/extensions/fxdriver@googlecode.com/components/command-processor.js:9039:in `Utils.getElementAt'", "[remote server] file:///tmp/webdriver-rb-profilecopy20161009-19206-s15qqi/extensions/fxdriver@googlecode.com/components/command-processor.js:12151:in `WebElement.isElementEnabled'", "[remote server] file:///tmp/webdriver-rb-profilecopy20161009-19206-s15qqi/extensions/fxdriver@googlecode.com/components/command-processor.js:12661:in `DelayedCommand.prototype.executeInternal_/h'", "[remote server] file:///tmp/webdriver-rb-profilecopy20161009-19206-s15qqi/extensions/fxdriver@googlecode.com/components/command-processor.js:12666:in `DelayedCommand.prototype.executeInternal_'", "[remote server] file:///tmp/webdriver-rb-profilecopy20161009-19206-s15qqi/extensions/fxdriver@googlecode.com/components/command-processor.js:12608:in `DelayedCommand.prototype.execute/<'", "/usr/local/rvm/gems/ruby-2.1.5/gems/selenium-webdriver-2.53.0/lib/selenium/webdriver/remote/response.rb:70:in `assert_ok'", "/usr/local/rvm/gems/ruby-2.1.5/gems/selenium-webdriver-2.53.0/lib/selenium/webdriver/remote/response.rb:34:in `initialize'", "/usr/local/rvm/gems/ruby-2.1.5/gems/selenium-webdriver-2.53.0/lib/selenium/webdriver/remote/http/common.rb:78:in `new'", "/usr/local/rvm/gems/ruby-2.1.5/gems/selenium-webdriver-2.53.0/lib/selenium/webdriver/remote/http/common.rb:78:in `create_response'", "/usr/local/rvm/gems/ruby-2.1.5/gems/selenium-webdriver-2.53.0/lib/selenium/webdriver/remote/http/default.rb:90:in `request'", "/usr/local/rvm/gems/ruby-2.1.5/gems/selenium-webdriver-2.53.0/lib/selenium/webdriver/remote/http/common.rb:59:in `call'", "/usr/local/rvm/gems/ruby-2.1.5/gems/selenium-webdriver-2.53.0/lib/selenium/webdriver/remote/bridge.rb:649:in `raw_execute'", "/usr/local/rvm/gems/ruby-2.1.5/gems/selenium-webdriver-2.53.0/lib/selenium/webdriver/remote/bridge.rb:627:in `execute'", "/usr/local/rvm/gems/ruby-2.1.5/gems/selenium-webdriver-2.53.0/lib/selenium/webdriver/remote/bridge.rb:568:in `isElementEnabled'", "/usr/local/rvm/gems/ruby-2.1.5/gems/selenium-webdriver-2.53.0/lib/selenium/webdriver/common/element.rb:170:in `enabled?'",