[users@httpd] Re: mod_proxy, jetty -- (20014)Internal error: proxy: error reading status line

[Oleg Dulin <ol...@gmail.com>]

Ok, problem solved by switching to nginx…. Thank you guys.

On 2012-06-04 13:51:14 +0000, Oleg Dulin said:

> We have a configuration as follows:
> 
> Apache2 httpd with mod_proxy (2.2.15) in the DMZ
> Java server process with embedded Jetty in the secure zone
> All calls to the Java server are POST made by an iPad application
> 
> 
> The mod_proxy configuration looks like this:
> 
> <VirtualHost ……. >
> ProxyRequests Off
>     ProxyPreserveHost On
>     <Proxy *>
>         Order allow,deny
>         Allow from all
>     </Proxy>
>     ProxyPass /ls http://jetty:8080/url
>     ProxyPassReverse /ls http://jetty:8080/url
> 
> </VirtualHost>
> 
> Sporadically, quite disturbingly it is about every 4th or 5th HTTP 
> POST, we get this:
> 
> 502 error sent back to the iPad  application and at that moment in the 
> httpd error log we get this:
> 
> [Fri Jun 01 17:06:28 2012] [error] [client 71.197.43.86] 
> (20014)Internal error: proxy: error reading status line from remote 
> server ……….
> [Fri Jun 01 17:06:28 2012] [error] [client 71.197.43.86] proxy: Error 
> reading from remote server returned by …..
> 
> (URLs obfusaced)
> 
> I tried everything under the sun and different combinations of it, with 
> no luck.
> 
> SetEnv proxy-nokeepalive 1
> #SetEnv force-proxy-request-1.0 1
> SetEnv proxy-initial-not-pooled 1
> #SetEnv proxy-sendcl 1
> 
> Now, one thing is that in the QA environment there is a firewall and 
> xinetd in between Apache and Jetty. In dev environment that isn ot the 
> case, and I haven't tried it in dev yet. But the problem persists in 
> both places.
> 
> I don't believe this is unique to Jetty as I found plenty of discussion 
> about Tomcat, weblogic, IIS, etc. having this problem.
> 
> Any thoughts are greatly appreciated.




---------------------------------------------------------------------
To unsubscribe, e-mail: users-unsubscribe@httpd.apache.org
For additional commands, e-mail: users-help@httpd.apache.org