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POErrno::ETIMEDOUT: Connection timed out - connect(2)
 

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    <p>In production, I'm <strong>occasionally</strong> getting the following error:</p> <pre><code>Errno::ETIMEDOUT: Connection timed out - connect(2) </code></pre> <p>It only seems to be happening when I generate a PDF using the prawn gem that contains an image that was uploaded by paperclip/aws-sdk to s3. This probably only happens a couple times a week on an action that is used hundreds of times a day (with no issues), but it results in a 500 error when it does fail.</p> <p>The trace is: </p> <pre><code>/opt/ruby-enterprise-1.8.7-2011.03/lib/ruby/1.8/net/http.rb:560:in `initialize' /opt/ruby-enterprise-1.8.7-2011.03/lib/ruby/1.8/net/http.rb:560:in `open' /opt/ruby-enterprise-1.8.7-2011.03/lib/ruby/1.8/net/http.rb:560:in `connect' /opt/ruby-enterprise-1.8.7-2011.03/lib/ruby/1.8/timeout.rb:53:in `timeout' /opt/ruby-enterprise-1.8.7-2011.03/lib/ruby/1.8/timeout.rb:101:in `timeout' /opt/ruby-enterprise-1.8.7-2011.03/lib/ruby/1.8/net/http.rb:560:in `connect' /opt/ruby-enterprise-1.8.7-2011.03/lib/ruby/1.8/net/http.rb:553:in `do_start' /opt/ruby-enterprise-1.8.7-2011.03/lib/ruby/1.8/net/http.rb:542:in `start' /opt/ruby-enterprise-1.8.7-2011.03/lib/ruby/1.8/open-uri.rb:242:in `open_http' /opt/ruby-enterprise-1.8.7-2011.03/lib/ruby/1.8/open-uri.rb:616:in `buffer_open' /opt/ruby-enterprise-1.8.7-2011.03/lib/ruby/1.8/open-uri.rb:164:in `open_loop' /opt/ruby-enterprise-1.8.7-2011.03/lib/ruby/1.8/open-uri.rb:162:in `catch' /opt/ruby-enterprise-1.8.7-2011.03/lib/ruby/1.8/open-uri.rb:162:in `open_loop' /opt/ruby-enterprise-1.8.7-2011.03/lib/ruby/1.8/open-uri.rb:132:in `open_uri' /opt/ruby-enterprise-1.8.7-2011.03/lib/ruby/1.8/open-uri.rb:518:in `open' /opt/ruby-enterprise-1.8.7-2011.03/lib/ruby/1.8/open-uri.rb:30:in `open' ....rb:57:in `render_image_to_pdf' </code></pre> <p>Line 57:</p> <pre><code>pdf.image open(image.expiring_url(30.minutes, :full)), :width =&gt; 300, :position =&gt; 20 </code></pre> <p>Setup:</p> <pre><code>Rails 3.0.10 Ruby 1.8.7EE Prawn 0.11.1 AWS-SDK 1.3.3 Paperclip 2.5.2 </code></pre> <p>What can I do to prevent this error?</p>
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