client closed prematurely connection while reading client request line

[Maxim Dounin]

Hello!

On Mon, Oct 24, 2011 at 05:06:03PM -0400, Ilan Berkner wrote:

> Very basic configuration, strictly for serving static files.
> 
> I've got the error_log setting configured to "info" to get more information
> as to what's happening with connections, etc.
> 
> While monitoring the error log and loading a single static html file through
> my web browser, I noticed this line in the error log show up:
> 
> 2011/10/24 16:02:04 [info] 26517#0: *3132 client closed prematurely
> connection while reading client request line, client: ###.###.###.###,
> server: localhost
> 
> What's the reason for this error, does it matter and is there a way to
> address it? is it indicative of a deeper network configuration issue with
> TCP settings?

Some modern browsers tend to open 2 tcp connections to server from 
start, and if you are loading a single static file - one of them 
remains unused.  The browser eventually closes it without sending 
any request, and this causes the above message in logs.

Maxim Dounin