title: Unicorn + Rack Lint Error - content header
body: <p>I keep getting the follow server error when running unicorn on my local machine:</p>
  
  <pre><code>E, [2012-08-17T10:25:11.961002 #95265] ERROR -- : app error: Content-Length header was 780958, but should be 781014 (Rack::Lint::LintError)
  E, [2012-08-17T10:25:11.961578 #95265] ERROR -- : /Users/cscairns/.rvm/gems/ruby-1.9.3-p194/gems/rack-1.4.1/lib/rack/lint.rb:19:in `assert'
  E, [2012-08-17T10:25:11.961893 #95265] ERROR -- : /Users/cscairns/.rvm/gems/ruby-1.9.3-p194/gems/rack-1.4.1/lib/rack/lint.rb:501:in `verify_content_length'
  E, [2012-08-17T10:25:11.962173 #95265] ERROR -- : /Users/cscairns/.rvm/gems/ruby-1.9.3-p194/gems/rack-1.4.1/lib/rack/lint.rb:525:in `each'
  E, [2012-08-17T10:25:11.962806 #95265] ERROR -- : /Users/cscairns/.rvm/gems/ruby-1.9.3-p194/gems/rack-1.4.1/lib/rack/body_proxy.rb:26:in `method_missing'
  E, [2012-08-17T10:25:11.963116 #95265] ERROR -- : /Users/cscairns/.rvm/gems/ruby-1.9.3-p194/gems/unicorn-4.3.1/lib/unicorn/http_response.rb:41:in `http_response_write'
  E, [2012-08-17T10:25:11.963416 #95265] ERROR -- : /Users/cscairns/.rvm/gems/ruby-1.9.3-p194/gems/unicorn-4.3.1/lib/unicorn/http_server.rb:539:in `process_client'
  E, [2012-08-17T10:25:11.963702 #95265] ERROR -- : /Users/cscairns/.rvm/gems/ruby-1.9.3-p194/gems/unicorn-4.3.1/lib/unicorn/http_server.rb:606:in `worker_loop'
  E, [2012-08-17T10:25:11.963985 #95265] ERROR -- : /Users/cscairns/.rvm/gems/ruby-1.9.3-p194/gems/unicorn-4.3.1/lib/unicorn/http_server.rb:487:in `spawn_missing_workers'
  E, [2012-08-17T10:25:11.964288 #95265] ERROR -- : /Users/cscairns/.rvm/gems/ruby-1.9.3-p194/gems/unicorn-4.3.1/lib/unicorn/http_server.rb:137:in `start'
  E, [2012-08-17T10:25:11.964744 #95265] ERROR -- : /Users/cscairns/.rvm/gems/ruby-1.9.3-p194/gems/unicorn-4.3.1/bin/unicorn:121:in `&lt;top (required)&gt;'
  E, [2012-08-17T10:25:11.965043 #95265] ERROR -- : /Users/cscairns/.rvm/gems/ruby-1.9.3-p194/bin/unicorn:19:in `load'
  E, [2012-08-17T10:25:11.965339 #95265] ERROR -- : /Users/cscairns/.rvm/gems/ruby-1.9.3-p194/bin/unicorn:19:in `&lt;main&gt;'
  E, [2012-08-17T10:25:11.965624 #95265] ERROR -- : /Users/cscairns/.rvm/gems/ruby-1.9.3-p194/bin/ruby_noexec_wrapper:14:in `eval'
  E, [2012-08-17T10:25:11.966223 #95265] ERROR -- : /Users/cscairns/.rvm/gems/ruby-1.9.3-p194/bin/ruby_noexec_wrapper:14:in `&lt;main&gt;'
  </code></pre>
  
  <p>Has anyone run into the same issue?</p>