Another one. This one is diff error. * << BeReq >> 19327398 - Begin bereq 19327397 pass - Timestamp Start: 1577370022.344818 0.000000 0.000000 - BereqMethod POST - BereqURL /LetsCelebrate - BereqProtocol HTTP/1.1 - BereqHeader User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36 - BereqHeader Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9 - BereqHeader Cache-Control: max-age=0 - BereqHeader SSLClientCertStatus: NoClientCert - BereqHeader X-Forwarded-Proto: https - BereqHeader Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryBBVOJciq1v4rbZs9 - BereqHeader Accept-Language: en-GB,en-US;q=0.9,en;q=0.8 - BereqHeader SSLClientCipher: SSL_ECDHE_RSA_WITH_AES_256_GCM_SHA384, version=TLSv1.2, bits=256 - BereqHeader Host: mydomain.com - BereqHeader Referer: https://mydomain.com/LetsCelebrate - BereqHeader SSLSessionID: 97258494A3DD008A855B552F701E9F95C25CDC7B1CF5FD63D382ED09391585C7 - BereqHeader Origin: https://mydomain.com - BereqHeader X-Cluster-Client-Ip: X.X.X.X - BereqHeader X-Forwarded-Port: 443 - BereqHeader Upgrade-Insecure-Requests: 1 - BereqHeader Sec-Fetch-User: ?1 - BereqHeader Sec-Fetch-Site: same-origin - BereqHeader Sec-Fetch-Mode: nested-navigate - BereqHeader Accept-Encoding: gzip, deflate, br - BereqHeader Content-Length: 2076 - BereqHeader X-Forwarded-For: X.X.X.X, 10.187.187.36 - BereqHeader browser: other - BereqHeader serverIp: 10.208.225.235 - BereqHeader X-Varnish: 19327398 - VCL_call BACKEND_FETCH - VCL_return fetch - BackendOpen 23 reload_2019-12-18T054238.default 127.0.0.1 8080 127.0.0.1 39568 - BackendStart 127.0.0.1 8080 - FetchError req.body read error: 11 (Resource temporarily unavailable) - FetchError backend write error: 11 (Resource temporarily unavailable) - Timestamp Bereq: 1577370027.344908 5.000090 5.000090 - BackendClose 23 reload_2019-12-18T054238.default - Timestamp Beresp: 1577370027.345014 5.000196 0.000105 - Timestamp Error: 1577370027.345025 5.000206 0.000011 - BerespProtocol HTTP/1.1 - BerespStatus 503 - BerespReason Service Unavailable - BerespReason Backend fetch failed - BerespHeader Date: Thu, 26 Dec 2019 14:20:27 GMT - BerespHeader Server: Varnish - VCL_call BACKEND_ERROR - BerespHeader Content-Type: text/html; charset=utf-8 - BerespHeader Retry-After: 5 - VCL_return deliver - Storage malloc Transient - ObjProtocol HTTP/1.1 - ObjStatus 503 - ObjReason Backend fetch failed - ObjHeader Date: Thu, 26 Dec 2019 14:20:27 GMT - ObjHeader Server: Varnish - ObjHeader Content-Type: text/html; charset=utf-8 - ObjHeader Retry-After: 5 - Length 1288 - BereqAcct 1276 0 1276 0 0 0 - End
On Thu, 26 Dec 2019 at 17:27, Maninder Singh <[email protected]> wrote: > Got one in the log. > > varnishlog -r /var/log/varnish/503.log > * << BeReq >> 21993384 > - Begin bereq 21993383 pass > - Timestamp Start: 1577360704.829258 0.000000 0.000000 > - BereqMethod POST > - BereqURL /corp/contact.php?cf=exitpopup > - BereqProtocol HTTP/1.1 > - BereqHeader User-Agent: Mozilla/5.0 (Windows NT 6.1; Trident/7.0; > rv:11.0) like Gecko > - BereqHeader Accept: image/gif, image/x-xbitmap, image/jpeg, > image/pjpeg, application/x-shockwave-flash, */* > - BereqHeader SSLClientCertStatus: NoClientCert > - BereqHeader X-Forwarded-Proto: https > - BereqHeader Content-Type: application/x-www-form-urlencoded > - BereqHeader SSLClientCipher: SSL_ECDHE_RSA_WITH_AES_256_CBC_SHA, > version=TLSv1, bits=256 > - BereqHeader Host: www.mydomain.com > - BereqHeader Referer: http://mydomain.com/solutions/enterprise.php > - BereqHeader SSLSessionID: > 3C119EF3FE70318789F82E9B583581C876B4DDE520C0182C33CD6AF1AA46E63A > - BereqHeader X-Cluster-Client-Ip: X.X.X.X > - BereqHeader Cookie: > X-Mapping-fjhppofk=E8F494E9A630955F1975EEDF11EBC4D7 > - BereqHeader X-Forwarded-Port: 443 > - BereqHeader Accept-Encoding: gzip, deflate > - BereqHeader Content-Length: 1366 > - BereqHeader X-Forwarded-For: X.X.X.X, 10.187.187.36 > - BereqHeader browser: other > - BereqHeader serverIp: 10.208.224.192 > - BereqHeader X-Varnish: 21993384 > - VCL_call BACKEND_FETCH > - VCL_return fetch > - BackendOpen 26 reload_2019-12-18T054253.default 127.0.0.1 8080 > 127.0.0.1 59998 > - BackendStart 127.0.0.1 8080 > - Timestamp Bereq: 1577360705.664932 0.835674 0.835674 > - FetchError http first read error: EOF > - BackendClose 26 reload_2019-12-18T054253.default > - Timestamp Beresp: 1577360705.665020 0.835763 0.000089 > - Timestamp Error: 1577360705.665028 0.835770 0.000008 > - BerespProtocol HTTP/1.1 > - BerespStatus 503 > - BerespReason Service Unavailable > - BerespReason Backend fetch failed > - BerespHeader Date: Thu, 26 Dec 2019 11:45:05 GMT > - BerespHeader Server: Varnish > - VCL_call BACKEND_ERROR > - BerespHeader Content-Type: text/html; charset=utf-8 > - BerespHeader Retry-After: 5 > - VCL_return deliver > - Storage malloc Transient > - ObjProtocol HTTP/1.1 > - ObjStatus 503 > - ObjReason Backend fetch failed > - ObjHeader Date: Thu, 26 Dec 2019 11:45:05 GMT > - ObjHeader Server: Varnish > - ObjHeader Content-Type: text/html; charset=utf-8 > - ObjHeader Retry-After: 5 > - Length 1288 > - BereqAcct 849 1366 2215 0 0 0 > - End > > On Thu, 26 Dec 2019 at 15:21, Maninder Singh <[email protected]> wrote: > >> Okay. Let me set it up and get back to you once i see something in that >> log. It happens only once/twice a day so could be a while before i get >> back. >> >> On Thu, 26 Dec, 2019, 3:10 pm Guillaume Quintard, < >> [email protected]> wrote: >> >>> Hi, >>> >>> Most probably, varnishncsa isn't going to give you the full picture, so >>> let's go for the exhaustive way: >>> >>> varnishlog -q "BerespStatus eq 503" -w /whatever/file >>> >>> >>> you can then read the logs with >>> >>> varnishlog -r /whatever/file >>> >>> >>> (more logging pointers here: >>> https://docs.varnish-software.com/tutorials/vsl-query/) >>> >>> If you can get your hands on a failed transaction, we should be able to >>> tell you what went wrong. Most probably, you hit a timeout of some sort. Or >>> it could be that the backend was declared sick, if you have probes. >>> >>> -- >>> Guillaume Quintard >>> >>> >>> On Thu, Dec 26, 2019 at 6:33 AM Maninder Singh <[email protected]> wrote: >>> >>>> Hi, >>>> >>>> I am facing a strange problem. >>>> >>>> I am running varnish 4.1.11 on port 80 which is behind a LB. >>>> >>>> Varnish then connects to apache 2.4 ( on port 8080 ) and also have >>>> php-fpm running. >>>> >>>> Now, everything works fine but once in a while I am seeing 503 response >>>> from varnish for a POST request. During this time there is no log in apache >>>> also ( neither access log nor error log ). >>>> >>>> Where does this request vanish ? >>>> >>>> How do I debug this issue ? >>>> >>>> Some more details: >>>> >>>> * I have varnishncsa turned on with following flags. >>>> >>>> ExecStart=/usr/bin/varnishncsa -q 'not (ReqURL ~ >>>> "\.(js|css|png|jpeg|jpg|ico|gif|swf|woff)" or ReqHeader:User-Agent ~ >>>> "HTTP-Monitor" or ReqHeader:User-Agent ~ "Monitoring/1.1")' -a -w >>>> /var/log/varnish/varnishncsa.log -D -f /etc/sysconfig/varnishncsa >>>> >>>> Here is the entry in varnish log during that time. >>>> >>>> X.X.X.X, LB.IP.0.0 - - [25/Dec/2019:00:26:40 -0600] 2629363 "POST >>>> http://mydomain.com/LetsCelebrate HTTP/1.1" 503 1288 " >>>> https://referringdomain.com/LetsCelebrate?hostingUrl=https%3A%2F%2Fxy.abc.com"; >>>> "Mozilla/5.0 (Linux; Android 9; SM-A920F) AppleWebKit/537.36 (KHTML, like >>>> Gecko) Chrome/79.0.3945.93 Mobile Safari/537.36" "mydomain.com" miss >>>> >>>> In .vcl file I have following set. >>>> .first_byte_timeout = 120s; >>>> >>>> Now, I am not logging varnish to apache requests ( which backend fetch >>>> ). >>>> As you can see above I am only logging client requests. >>>> >>>> Is their a way to log client requests like above but then also log >>>> backend fetch failures to another log file ? >>>> [ Running 2 instances of varnishncsa ? ] >>>> >>>> Any pointers ? >>>> >>>> Please let me know. >>>> >>>> Thanks. >>>> >>>> _______________________________________________ >>>> varnish-misc mailing list >>>> [email protected] >>>> https://www.varnish-cache.org/lists/mailman/listinfo/varnish-misc >>>> >>>
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