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Re: http/2 GET occasional hang

From: Tim Rühsen <tim.ruehsen_at_gmx.de>
Date: Mon, 30 Nov 2015 22:38:31 +0100

Not reproducible here (Debian unstable, amd64) with curl 7.45 and libnghttp
1.4.0.

Tim

Am Montag, 30. November 2015, 12:51:54 schrieb Francisco Moraes:
> I've used a large XML file such as the one from here:
>
> http://dbis.informatik.uni-freiburg.de/content/projects/GCX/dl/sources/aucti
> on.xml
>
> And used curl like this:
>
> ./curl --http2 --tcp-nodelay -X GET http://$HOST:$PORT/auction.xml
>
> When the issue occurs, I see the following output from curl:
>
> % Total % Received % Xferd Average Speed Time Time Time
> Current
> Dload Upload Total Spent Left Speed
> 100 2261k 0 2261k 0 0 37594 0 --:--:-- 0:01:01
> --:--:-- 0curl: (56) Unexpected EOF
>
> Note that the transfer is 100% complete but for some reason curl
> didn't think it was complete. Does it wait for the connection to be
> closed? It has received all the data correctly as I was able to confirm
> that via --trace-ascii option, so I don't know why it has not closed the
> connection as expected.
>
> Francisco
>
> On 11/30/2015 12:09 PM, Daniel Stenberg wrote:
> > On Mon, 30 Nov 2015, Francisco Moraes wrote:
> >> I am testing my HTTP/2 server and I am getting an occasional hang
> >> when transferring a 2M file using http to http/2 upgrade. I've done a
> >> packet capture and I see that the data has been sent out completely
> >> by the server and the last DATA frame is marked with end stream flag,
> >> but curl seems to hang (version 7.44.0).
> >>
> >> Were there any known issues with that version? I have not been able
> >> to recreate the issue with the trace file or verbose flag though.
> >>
> >> Any thoughts?
> >
> > I can't recall any such bugfix, even if we've done a few changes to
> > the http2 code since that version. Possibly your nghttp2 version could
> > also be involved.
> >
> > Is there a way for us to try to reproduce your case?
>
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Received on 2015-11-30