On Sunday 23 June 2013 09:31:25 justin wrote:
> We sometimes have long running HTTPS requests, over 2 minutes, and
> occasionally would see 499 response codes, and duplicate (double run)
> transactions. After digging around and testing, it was discovered this only
> occurs with spdy support enabled. If we turn off spdy in the server block,
> the 499 response codes, and more importunately duplicate transactions
> stopped.
>
> Is this a known limitation of spdy, or perhaps a bug? If this is a
> limitation of spdy? Is it fixed in protocol version 3, since nginx only
> runs version 2. Would love to turn spdy support back on, but I can't have
> duplicate requests being fired.
>

Could you provide a debug log?
http://nginx.org/en/docs/debugging_log.html

wbr, Valentin V. Bartenev

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