Client closed keepalive connection

[Wilson Bilkovich]

On 4/28/07, Igor Sysoev <is at rambler-co.ru> wrote:
> On Fri, Apr 27, 2007 at 09:10:47PM -0700, Cliff Wells wrote:
>
> > On Fri, 2007-04-27 at 21:53 +0400, Igor Sysoev wrote:
> >
> > > Does the client do POST and pass "Expect: continue" ?
> > > nginx does not support "Expect: continue/100 Continue" dialog because
> > > current browsers still do not support it (at least I never see).
> >
> > I'm not aware of any browsers that support "Expect: continue", however
> > there are some tools and libraries that do (curl/libcurl for one).
>
> As for me, the main use of "Expect: continue/100 Continue" dialog is
> the request body limitation. I had even written article (sorry, in Russian)
> "Why it's impossible to limit correctly the uploaded file size":
> http://sysoev.ru/web/upload.html
>
> The problem is that browsers do not read server response until they
> will send whole request body. If server will close connection before they
> have sent body, the browsers issue some network or common error,
> that has no relation to the "413 Request Entity Too Large" error.
>

OK. I've disabled the "100 Continue" piece of the response, and I am
still seeing these error messages.
Is there something else that could cause them?