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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 37770] - proxy: error reading status line from remote server (null)
Date Sun, 09 Dec 2007 10:57:07 GMT
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http://issues.apache.org/bugzilla/show_bug.cgi?id=37770





------- Additional Comments From rpluem@apache.org  2007-12-09 02:57 -------
(In reply to comment #74)
> (In reply to comment #73)
> > (In reply to comment #71)
> > > Created an attachment (id=21243)
 --> (http://issues.apache.org/bugzilla/attachment.cgi?id=21243&action=view) [edit]
[edit] [edit]
> > > backend connection race condition fix (untested)
> > > 
> > > This should fix such race condition.
> > 
> > As explained before this patch is not correct:
> > 
> > 1. Once you sent the request body it is no longer available.
> 
> This can be fixed.

Not easily as buffering large request entities is a pain.

> 
> > 2. The RFC does not allow to resend non idempotent requests.
> 
> Why does this applies to our situation when the request does not reach backend 
> server?

With your loop you don't know. Once you sent a single byte of the request body
or even only the GET request with parameters you do not really now what the
backend server did. Didn't it receive it or did it receive it, processed it and
just in the moment as it wanted to send the reply the network broke down or the
process that processed the request died.




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