499 error in nginx

Igor Sysoev is at rambler-co.ru
Mon Aug 27 15:23:20 MSD 2007

On Mon, Aug 27, 2007 at 04:30:59PM +0530, Abhishek Singh wrote:

> thanks for replying so fast , i am using nginx as a proxy for mongrel , so
> in this scenario my nginx will be client or browser (who has sent this
> request) because i am using alertra for website monitoring by urls so there
> is one url where i am getting error and alertra is showing
> Time: 08/27/2007 04:03:09 US/Eastern
>  Abbreviation: slidview
>  URL: http://www.example.com/inet/scalable-web-a
>  Checked From: Atlanta USA
>  Result: Error
>  Result Message: Connection to HTTP service failed
>  Server Code: None
>  Server Message: Unrecognized HTTP error
>  File Size: N/A
>  Elapsed Time: 30.07 Seconds
> when i am checking in nginx log so for the same url i am getting 499 from
> www.alertra.com
> as per source file definition "when a client closed
> * the connection while we are processing its request" then nginx will log
> 499 in log file so why alertra will close the connection. or it can happen
> timeout setting in alertra, there is timeout setting  of 30 second for that
> url. Igor can u please explain me this.

I think, the request goes to mongrel and it does not response for
30 seconds. The client closes connection after its timeout.

Igor Sysoev

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