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From Fred Moyer <>
Subject Re: How to tell when mod_proxy backend request timed out?
Date Thu, 18 Sep 2008 17:05:02 GMT
Adam Woodworth wrote:
> I'm using mod_perl 2.0.3 with Apache 2.2.9 and mod_proxy for reverse
> proxying.  Is there a way, from my mod_perl application, that I can
> tell when the connection to the backend server in mod_proxy timed out?
>  I.e., mod_proxy made a connection to the backend, but the backend
> didn't respond in the configured number of timeout seconds?
> I know that there's the Apache2::RequestRec::request_time variable,
> and I can do the simple math to figure out how long ago the request
> started, but since mod_proxy does actually know when a timeout
> happens, does mod_proxy bubble that info up into something that is
> exposed by the mod_perl API anywhere?  It would be nice to just have
> simple access to an error code, to know whether it was a timeout or
> just an aborted connection.

I'm not sure if I completely understand your scenario - do you have 
mod_proxy enabled apache reverse proxying to mod_perl?  If so, you can 
use $r->connection->aborted to determine if the connection is invalid.

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