I didn't actually look too closely to the tcpdump till a few minutes later and noticed the issue is caused by jetpack. I got a ticket open with them now. I can see why Varnish decided to throw a 503.
On Feb 1, 2013, at 4:50 PM, Jason Heffner <[email protected]> wrote: > I attached a tcpdump since a curl isn't practical; I would need to include > cookies and the the correct string parameters to simulate the same action. > > http://pastebin.com/3GHYFUwD > > > On Feb 1, 2013, at 12:55 PM, "Rangel, Raul" <[email protected]> wrote: > >> What does the backend log look like? >> >> In the log it shows >> 16 FetchError c http format error >> >> What does curl show if you do the same request? >> >> -----Original Message----- >> From: [email protected] >> [mailto:[email protected]] On Behalf Of Jason Heffner >> Sent: Friday, February 01, 2013 10:34 AM >> To: [email protected] >> Subject: Varnish 3.0.3 http error >> >> Hi, >> >> I've been through some of the archives on the list and have seen some >> similar problems. I was wondering if anyone can tell why this particular >> HTTP error might be caused? I also contacted the jetpack developers since it >> is their plugin returning the HTTP error from apache on the backend. If >> varnish is taken out of the setup the 302 redirect returned from apache >> functions properly. I can recreate the issue on a development system, and >> all other page loads are fine. >> >> Our setup: RHEL6, Pound 2.6.2, Varnish 3.0.3, Apache 2.2.15, php-fpm 5.3.21 >> >> I'd welcome any advice. >> >> Thanks, >> Jason >> >> varnishlog -d -c -m TxStatus:503 >> 16 ReqStart c xxx.xxx.xxx.xxx 45094 812364756 >> 16 RxRequest c GET >> 16 RxURL c >> /wp-admin/admin.php?page=jetpack&action=authorize&_wpnonce=cec3b377a1&code=dhcULw6Zlg&state=2 >> 16 RxProtocol c HTTP/1.1 >> 16 RxHeader c Host: somesite.psu.edu >> 16 RxHeader c User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; >> rv:18.0) Gecko/20100101 Firefox/18.0 >> 16 RxHeader c Accept: >> text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 >> 16 RxHeader c Accept-Language: en-US,en;q=0.5 >> 16 RxHeader c Accept-Encoding: gzip, deflate >> 16 RxHeader c Cookie: >> __utma=165035810.2146825052.1359667423.1359667423.1359672023.2; >> __utmc=165035810; >> __utmz=165035810.1359667423.1.1.utmcsr=(direct)|utmccn=(direct)|utmcmd=(none); >> bp-activity-oldestpage=1; __qca=P0-1744595654-1359667424495; >> bp-activity-scope=all; bp >> 16 RxHeader c Connection: keep-alive >> 16 RxHeader c X-Forwarded-For: xxx.xxx.xxx.xxx >> 16 VCL_call c recv pass >> 16 VCL_call c hash >> 16 Hash c >> /wp-admin/admin.php?page=jetpack&action=authorize&_wpnonce=cec3b377a1&code=dhcULw6Zlg&state=2 >> 16 Hash c somesite.psu.edu >> 16 VCL_return c hash >> 16 VCL_call c pass pass >> 16 Backend c 14 default_director web1 >> 16 FetchError c http format error >> 16 VCL_call c error deliver >> 16 VCL_call c deliver deliver >> 16 TxProtocol c HTTP/1.1 >> 16 TxStatus c 503 >> 16 TxResponse c Service Unavailable >> 16 TxHeader c Server: Varnish >> 16 TxHeader c Content-Type: text/html; charset=utf-8 >> 16 TxHeader c Retry-After: 5 >> 16 TxHeader c Content-Length: 418 >> 16 TxHeader c Accept-Ranges: bytes >> 16 TxHeader c Date: Thu, 31 Jan 2013 22:46:08 GMT >> 16 TxHeader c Age: 3 >> 16 TxHeader c Connection: close >> 16 TxHeader c X-Cache: MISS >> 16 Length c 418 >> 16 ReqEnd c 812364756 1359672365.351407051 1359672368.171207428 >> 1.863311291 2.819756508 0.000043869 >> >> p: (814) 865-1840, c: (814) 777-7665 >> Systems Administrator >> Teaching and Learning with Technology, Information Technology Services The >> Pennsylvania State University >> >> >> _______________________________________________ >> varnish-misc mailing list >> [email protected] >> https://www.varnish-cache.org/lists/mailman/listinfo/varnish-misc > > _______________________________________________ > varnish-misc mailing list > [email protected] > https://www.varnish-cache.org/lists/mailman/listinfo/varnish-misc
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