seeing a bunch of these error messages in the logs

Igor Sysoev is at
Thu May 3 10:15:19 MSD 2007

On Thu, May 03, 2007 at 11:15:00AM +0800, Yusuf Goolamabbas wrote:

> Hi, I am using nginx (0.5.19) as a reverse proxy and am seeing a bunch
> of these in the error.log. Is there anything of major concern
> *692 upstream prematurely closed connection while reading response
> header from upstream

Yes, it's problem with your backend: the backend has not sent anything
has closed connection.

Igor Sysoev

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