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From Jim Jagielski <...@apache.org>
Subject Re: mod_proxy race condition bug #37770
Date Sat, 20 Sep 2008 13:31:08 GMT

On Sep 20, 2008, at 6:21 AM, Nick Kew wrote:

>
> On 19 Sep 2008, at 23:08, Ruediger Pluem wrote:
>
>> On 09/19/2008 11:24 PM, Adam Woodworth wrote:
>>>
>>> The problem with this is that it will also do this for connections  
>>> to
>>> the backend that timed out.  For our application, we want actual
>>> timeouts to be caught as normal and kicked back through to the  
>>> client
>>> as a 50x error.
>>
>> Hm. Good point. I have to think about it, because a timeout error can
>> justify  a repeated request (like when a firewall between frontend  
>> and
>> backend cut the connection and now the packets are simply dropped by
>> the firewall and a fresh one would fix this).
>
> I think Adam is right.  The justification for the RFC-breaking  
> connection
> drop is IIRC that it's merely propagating the same from the backend
> to the client.  That doesn't apply in the case of a timeout.
>

+1


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