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POCapybara visit gets stuck for no reason
 

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    <p>We have a large cucumber suite for a rails project. It is all capybara and mostly goes via Firefox.</p> <p>Recently we started to experience a failure, that I am struggling to get my head around. Here is what it looks like:</p> <ul> <li>at some point (always the same), capybara <code>visit</code> gets stuck in trying to load the page and capybara eventually times out to find whatever element was looking for (see trace below); every subsequent visit in every other feature also times out;</li> <li>if the feature where it happens run standalone, the problem disappears;</li> <li>if stick debugger (binding.pry) right before the failure, the problem disappears;</li> <li>while it is stuck, if I hit enter in the firefox address bar, request immediately gets through and tests go on and complete without any problems.</li> </ul> <p>One detail that may or may not be relevant: we are using multiple sessions (capybara <code>using_session</code>), so there are three firefox instances by the time of failure. But then again, there are three instances happily passing before that.</p> <p>The same behaviour shows up on my mate's machine.</p> <p>Nothing suspicious in rails logs. No sign of that request that is trying to get through.</p> <p>OSX 10.8.2, ruby 1.9.3, rails 3.2.6, sqlite3, latest capybara/selenium.</p> <p><br></p> <p><strong>Error stack trace:</strong></p> <pre><code> Timeout::Error (Timeout::Error) /Users/artem/.rbenv/versions/1.9.3-p194-perf/lib/ruby/1.9.1/net/protocol.rb:146:in `rescue in rbuf_fill' /Users/artem/.rbenv/versions/1.9.3-p194-perf/lib/ruby/1.9.1/net/protocol.rb:140:in `rbuf_fill' /Users/artem/.rbenv/versions/1.9.3-p194-perf/lib/ruby/1.9.1/net/protocol.rb:122:in `readuntil' /Users/artem/.rbenv/versions/1.9.3-p194-perf/lib/ruby/1.9.1/net/protocol.rb:132:in `readline' /Users/artem/.rbenv/versions/1.9.3-p194-perf/lib/ruby/1.9.1/net/http.rb:2562:in `read_status_line' /Users/artem/.rbenv/versions/1.9.3-p194-perf/lib/ruby/1.9.1/net/http.rb:2551:in `read_new' /Users/artem/.rbenv/versions/1.9.3-p194-perf/lib/ruby/1.9.1/net/http.rb:1319:in `block in transport_request' /Users/artem/.rbenv/versions/1.9.3-p194-perf/lib/ruby/1.9.1/net/http.rb:1316:in `catch' /Users/artem/.rbenv/versions/1.9.3-p194-perf/lib/ruby/1.9.1/net/http.rb:1316:in `transport_request' /Users/artem/.rbenv/versions/1.9.3-p194-perf/lib/ruby/1.9.1/net/http.rb:1293:in `request' /Users/artem/.rbenv/versions/1.9.3-p194-perf/lib/ruby/1.9.1/net/http.rb:1286:in `block in request' /Users/artem/.rbenv/versions/1.9.3-p194-perf/lib/ruby/1.9.1/net/http.rb:745:in `start' /Users/artem/.rbenv/versions/1.9.3-p194-perf/lib/ruby/1.9.1/net/http.rb:1284:in `request' (eval):2:in `has_css?' ./features/step_definitions/home_page_steps.rb:70:in `/^I am taken to the products page on the retailer site$/' features/home_page.feature:21:in `Then I am taken to the products page on the retailer site' Timeout::Error (Timeout::Error) </code></pre> <p><br> <strong>EDIT</strong></p> <p><code>bundle update</code> seems to have made it go away</p> <p><br> <strong>EDIT 2</strong></p> <p>If you stuck with a similar problem and you are using FireBug (capybara/firebug), try disabling it.</p> <p><br> <strong>EDIT 3</strong></p> <p>It's occurred to me that since've we switched from webrick to thin (in test/development), this never happened. It is as simple as adding <code>gem 'thin'</code> in Gemfile. Might be worth a try.</p>
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    1. CO'bundle update capybara' made it work again. Thanks for reminding me to update the gem.
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    2. COplease create an answer and mark it as solution
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