title: What does this error log even mean?
body: <p>I got this back from google Adwords who explained they could not allow ads on my website because of an invalid HTTP response code. This comes as a surprise because the site loads perfectly alright, and in my debugger, I can not find any return errors at all.</p>
  
  <p><strong>The error they sent:</strong></p>
  
  <pre><code>http://www.spanishtavern.com/home.html
  Start Time: Mon Jul 25 2011 15:51:12 GMT-0400 (Eastern Daylight Time)
  t=1311623472198 [st=  0] +REQUEST_ALIVE                           
  [dt=157]
  t=1311623472198 [st=  0]     URL_REQUEST_START_JOB                  [dt=
  1]
                               --&gt; load_flags = 1114240 (ENABLE_LOAD_TIMING
  | MAIN_FRAME | VERIFY_EV_CERT)
                               --&gt; method = "GET"                  
                               --&gt; priority = 0                    
                               --&gt; url =
  "http://www.spanishtavern.com/home.html"
  t=1311623472199 [st=  1]    +URL_REQUEST_START_JOB                
  [dt=153]
                               --&gt; load_flags = 1114240 (ENABLE_LOAD_TIMING
  | MAIN_FRAME | VERIFY_EV_CERT)
                               --&gt; method = "GET"                  
                               --&gt; priority = 0                    
                               --&gt; url =
  "http://www.spanishtavern.com/home.html"
  t=1311623472199 [st=  1]        HTTP_CACHE_GET_BACKEND              [dt=
  0]
  t=1311623472199 [st=  1]        HTTP_CACHE_OPEN_ENTRY               [dt=
  0]
                                  --&gt; net_error = -2 (FAILED)      
  t=1311623472199 [st=  1]        HTTP_CACHE_CREATE_ENTRY             [dt=
  0]
  t=1311623472199 [st=  1]        HTTP_CACHE_ADD_TO_ENTRY             [dt=
  0]
  t=1311623472199 [st=  1]       +HTTP_STREAM_REQUEST                 [dt=
  52]
  t=1311623472251 [st= 53]           HTTP_STREAM_REQUEST_BOUND_TO_JOB 
                                     --&gt; source_dependency =
  {"id":80949,"type":11}
  t=1311623472251 [st= 53]       -HTTP_STREAM_REQUEST                
  t=1311623472251 [st= 53]       +HTTP_TRANSACTION_SEND_REQUEST       [dt=
  0]
  t=1311623472251 [st= 53]           HTTP_TRANSACTION_SEND_REQUEST_HEADERS 
                                     --&gt; GET /home.html HTTP/1.1   
                                         Host: www.spanishtavern.com
                                         Connection: keep-alive    
                                         User-Agent: Mozilla/5.0 (Windows NT
  6.1; WOW64) AppleWebKit/534.30 (KHTML, like Gecko) Chrome/12.0.742.122
  Safari/534.30
                                         Accept:
  text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
                                         Accept-Encoding: gzip,deflate,sdch
                                         Accept-Language: en-US,en;q=0.8
                                         Accept-Charset:
  ISO-8859-1,utf-8;q=0.7,*;q=0.3
  t=1311623472251 [st= 53]       -HTTP_TRANSACTION_SEND_REQUEST      
  t=1311623472251 [st= 53]       +HTTP_TRANSACTION_READ_HEADERS     
  [dt=101]
  t=1311623472251 [st= 53]           HTTP_STREAM_PARSER_READ_HEADERS
  [dt=101]
  t=1311623472352 [st=154]           HTTP_TRANSACTION_READ_RESPONSE_HEADERS
  
                                     --&gt; HTTP/1.1 404 Not Found    
                                         Date: Mon, 25 Jul 2011 19:51:12 GMT
                                         Server: Apache/2.2.3 (Red Hat)
                                         X-Powered-By: PHP/5.1.6   
                                         P3P: CP="NOI NID ADMa OUR IND UNI
  COM NAV"
                                         Cache-Control: private,
  must-revalidate
                                         Set-Cookie: [value was stripped]
                                         Set-Cookie: [value was stripped]
                                         Content-Length: 5431      
                                         Connection: close         
                                         Content-Type: text/html;
  charset=UTF-8
  t=1311623472352 [st=154]       -HTTP_TRANSACTION_READ_HEADERS      
  t=1311623472352 [st=154]        HTTP_CACHE_WRITE_INFO               [dt=
  0]
  t=1311623472352 [st=154]        HTTP_CACHE_WRITE_DATA               [dt=
  0]
  t=1311623472352 [st=154]        HTTP_CACHE_WRITE_INFO               [dt=
  0]
  t=1311623472352 [st=154]    -URL_REQUEST_START_JOB                 
  t=1311623472352 [st=154]     HTTP_TRANSACTION_READ_BODY             [dt=
  0]
  t=1311623472352 [st=154]     HTTP_CACHE_WRITE_DATA                  [dt=
  0]
  t=1311623472354 [st=156]     HTTP_TRANSACTION_READ_BODY             [dt=
  0]
  t=1311623472354 [st=156]     HTTP_CACHE_WRITE_DATA                  [dt=
  0]
  t=1311623472354 [st=156]     HTTP_TRANSACTION_READ_BODY             [dt=
  0]
  t=1311623472354 [st=156]     HTTP_CACHE_WRITE_DATA                  [dt=
  0]
  t=1311623472354 [st=156]     HTTP_TRANSACTION_READ_BODY             [dt=
  1]
  t=1311623472355 [st=157]     HTTP_CACHE_WRITE_DATA                  [dt=
  0]
  t=1311623472355 [st=157] -REQUEST_ALIVE
  </code></pre>
  
  <p>I apologize for being daft, but I can't make heads or tails of this error, let alone, where it's coming from. Any ideas?</p>