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On 8/5/13 3:57 PM, Igor Cicimov wrote:
On 06/08/2013 4:21 AM, "Travis Jensen" <travis.jensen@xxxxxxxxxx>
wrote:
>
> I've got a fairly simple rewrite rule that bounces our
Python pycurl client from the main server to a new server that
actually dishes out the file:
>
> RewriteRule ^/update-repository/windsington(/.*)?$ http://newsvr.example.com/update-repository/windsington-real$1
[R=307,L]
>
> Our client downloads a set of files and is connecting to
both servers through our network proxy.
>
> The first file downloads just fine, but the second
invariably gives a "408 Request Time-out". If I run the process
again, the file that previously timed out now downloads fine
(since it is the first file to be downloaded) and the next file
gives me a 408. If I keep doing this, I'll eventually get all of
the files downloaded.
>
> I've tried reproducing using wget and using a little sample
python program using pycurl, but I can't reproduce it.
>
> What I'm hoping for here is some advice on how to debug
this thing inside of Apache (yes, the 408 definitely comes from
the redirecting server and not the proxy or the server
redirected to; the 408 is in the access logs). Obviously,
something in the client/proxy is being sent that is tripping
Apache, but I don't know Apache well enough to know how to debug
this kind of thing. Alternatively, could libcurl be getting
tripped up on something?
>
> Another interesting thing is that, in the access log, the
successful download has a proper user agent string, but in the
failed download, it does not.
>
> Version information:
>
> Apache: 2.2.16 running on Debian Squeeze.
> Pycurl: libcurl/7.15.5 OpenSSL/0.9.8b zlib/1.2.3
libidn/0.6.5
> Python: 2.4 on CentOS 5.7
> Thanks.
>
> tj
Enable the rewrite log and check for errors. Read the
mod_rewrite docs if you need help.
I enabled logging (tried at level 1, 2, and 3). The first request
(the working one) shows up fine; the second request, the one that is
failing, never gets logged. It looks like, for whatever reason, the
request is not getting passed to mod_rewrite.
Where can I look next?
Thanks.
tj
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