Mod_proxy Proxy Error Reading From Remote Server Returned By
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Proxy-initial-not-pooled
rise to the top Intermittent error when using mod_proxy to do reverse proxy to SOAP service up vote 13 down vote favorite 5 I get this error every few minutes when using mod_proxy as a reverse proxy to a SOAP web service. There's probably 3 or 4 requests going per seconds so we're talking around 1 or 2 out of every thousand that have this error. [Tue Nov 23 setenv proxy-initial-not-pooled 11:44:14 2010] [error] [client 172.16.1.31] (20014)Internal error: proxy: error reading status line from remote server soap1.server:8888 [Tue Nov 23 11:44:14 2010] [error] [client 172.16.1.31] proxy: Error reading from remote server returned by /someapp/path/to/web/service This causes the request to fail. If I have the client connect directly to the soap server without using the proxy, success is 100% so the problem appears to be in the proxy The configuration looks like this. The purpose is to switch to a backup server if the primary one is unavailable:
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(70007)the Timeout Specified Has Expired: Proxy: Error Reading Status Line From Remote Server
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Proxy-initial-not-pooled Example
and answer site for system and network administrators. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are http://serverfault.com/questions/206738/intermittent-error-when-using-mod-proxy-to-do-reverse-proxy-to-soap-service voted up and rise to the top Apache as proxy generates failure. up vote 2 down vote favorite 1 We are using apache proxy to enable our application servers to reach specific web sites over the internet. The setup is as follows: application servers --> apache proxy --> Internet website Some of the requests fail with the below error in the application server log:
Proxy Error
The proxy server received an invalid response from an upstream server.
The proxy server could not handle the request POST nbsp;/link.
Reason: Error reading from remote server
and the below debug log in the apache error.log file: [Mon May 20 09:57:54 2013] [debug] mod_proxy_http.c(56): proxy: HTTP: canonicalising URL //myURL.com [Mon May 20 09:57:54 2013] [debug] proxy_util.c(1506): [client 172.20.101.71] proxy: https: found worker `https://myurl.com/` for `https://myurl.com/link` [Mon May 20 09:57:54 2013] [debug] mod_proxy.c(1015): Running scheme https handler (attempt 0) [Mon May 20 09:57:54 2013] [debug] mod_proxy_http.c(1973): proxy: HTTP: serving URL https://myurl.com/link [Mon May 20 09:57:54 2013] [debug] proxy_util.c(2011): proxy: HTTPS: has acquired connection for (mu=y url) [Mon May 20 09:57:54 2013] [debug] ssl_engine_io.c(1908): OpenSSL: I/O error, 5 bytes expected to read on BIO#136e90 [mem: 190593] [Mon May 20 09:57:54 2013] [debug] proxy_util.c(2067): proxy: connecting https://myurl.com/link to myurl.com:443 [Mon May 20 09:57:54 2013] [debug] proxy_util.c(2193): proxy: connected /link to myurl.com:443 [Mon May 20 09:57:54 2013] [debug] ssl_engine_io.c(1908): OpenSSL: I/O error, 5 bytes expected to read on BIO#136e90 [mem: 190593] [Mon May 20 09:57:54 2013] [info] [client ip] (131)Connection reset by peer: SSL input filter read failed. [Mon May 20 09:57:54 2013] [error] [client ip2] (131)ConnectSign in Pricing Blog Support Search GitHub This repository Watch 48 Star 223 Fork 26 icing/mod_h2 Code Issues 21 https://github.com/icing/mod_h2/issues/14 Pull requests 0 Projects 0 Pulse Graphs New issue App behind http://stackoverflow.com/questions/9834318/the-proxy-server-received-an-invalid-response-from-an-upstream-server mod_proxy is only partially reachable #14 Closed jfmcbrayer opened this Issue Apr 17, 2015 · 12 comments Projects None yet Labels None yet Milestone No milestone Assignees No one assigned 2 participants jfmcbrayer commented Apr 17, 2015 This is, unfortunately, another error reading vague-ish bug report. I have ownCloud running in a kvm-qemu VM. The host machine is running my main apache server, to which I've just added mod_h2. The VM's apache is proxied like this: ProxyPass /owncloud http://192.168.122.135:80 max=20 ttl=120 retry=300 Most of the resources load, but for a few, I am getting a 502 Bad Gateway from remote server error. The errors in the ssl_errors.log on the host machine look like [Fri Apr 17 10:11:38.935081 2015] [proxy_http:error] [pid 17641:tid 140117117228800] (20014)Internal error: [client 74.254.77.254:9912] AH01102: error reading status line from remote server 192.168.122.135:80, referer: https://www.carcosa.net/owncloud [Fri Apr 17 10:11:38.935120 2015] [proxy:error] [pid 17641:tid 140117117228800] [client 74.254.77.254:9912] AH00898: Error reading from remote server returned by /owncloud/3rdparty/js/chosen/chosen.jquery.min.js, referer: https://www.carcosa.net/owncloud [Fri Apr 17 10:11:38.935175 2015] [proxy_http:error] [pid 17641:tid 140116915869440] (20014)Internal error: [client 74.254.77.254:9912] AH01102: error reading status line from remote server 192.168.122.135:80, referer: https://www.carcosa.net/owncloud [Fri Apr 17 10:11:38.935260 2015] [proxy:error] [pid 17641:tid 140116915869440] [client 74.254.77.254:9912] AH00898: Error reading from remote server returned by /owncloud/apps/contacts/js/loader.js, referer: https://www.carcosa.net/owncloud [Fri Apr 17 10:11:38.939905 2015] [proxy_http:error] [pid 17641:tid 140116941047552] (20014)Internal error: [client 74.254.77.254:9912] AH01102: error reading status line from remote server 192.168.122.135:80, referer: https://www.carcosa.net/owncloud [Fri Apr 17 10:11:38.939933 2015] [proxy:error] [pid 17641:tid 140116941047552] [client 74.254.77.254:9912] AH00898: Error reading from remote server returned by /owncloud/apps/search_lucene/js/checker.js, referer: https://www.carcosa.net/owncloud [Fri Apr 17 10:11:38.939982 2015] [proxy_http:error] [pid 17641:tid 140116974618368] (20014)Internal error: [client
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 6.2 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up The proxy server received an invalid response from an upstream server [closed] up vote 23 down vote favorite 6 We have an application deployed on tomcat. To access application we are using apache which sends requests to tomcat. At random browser gives following response. Proxy Error The proxy server received an invalid response from an upstream server. The proxy server could not handle the request GET /sampleapp/