[Zope-dev] browser closing connection

[Chris McDonough]

The broken pipe error should be caught.  Patches accepted, if you've
got the time.

Thanks,

- C

----- Original Message -----
From: "Leonardo Rochael Almeida" <leo@hiper.com.br>
To: "zope-dev" <zope-dev@zope.org>
Sent: Friday, December 07, 2001 10:47 AM
Subject: [Zope-dev] browser closing connection


> Hi, all
>
> On Fri, 2001-12-07 at 11:19, Matthew T. Kromer wrote:
>
> > >Also, for the record we usually get a bunch of these quite often:
> > >
> > >2001-11-04T09:04:33 ERROR(200) ZServer uncaptured
> > >  python exception, closing channel <zhttp_channel connected
> > >  XXX.XXX.XXX.XXX:2181 at fb4edc channel#: 2286 requests:4>
> > >  (socket.error:(32, 'Broken pipe')
> > >
> >
>[/usr/local/zope/dist/Zope-2.4.1/ZServer/medusa/asynchat.py|initiate_
send|21
> > >4]
[/usr/local/zope/dist/Zope-2.4.1/ZServer/medusa/http_server.py|send|41
4]
> >
>[/usr/local/zope/sw/Python2.1.1/lib/python2.1/asyncore.py|send|330])
> > >
> > >
> > >We were seeing the same error (asyncore.py|send|330, etc) on
solaris.
> > >
> > >Any thoughts
> > >
> >
> > Well, that means "the browser user clicked 'stop'"  -- Medusa is
just
> > telling you the channel went away on it.  Thats normal when the
browser
> > chops the tcp connection.
> >
>
> As Dario said, it's a relief to know that. but if it's an expected
> scenario, shouldn't zope put a more graceful message on the log?
>
> Also, I write several long running process pages, and I make use of
> RESPONSE.write() for that so as not to upset the browser or the user
(or
> zope memory consumption, when I have a lot of data to show during
the
> time). And I'd like a way to know when the user closes the channel,
so
> that I can stop the processing.
>
> Case in point, I work with Lalo in the ZUnit framework (it's a
little
> dormant now (actually you could say it's in comatose), but I intend
to
> reawaken it shortly). And I'd like to stop the processing of test
cases
> when the user press the stop button in his browser.
>
> In other cases, (like when I'm manually recataloging a huge bunch of
> objects for which using the 'ZCatalog Find' would just time-out) I
just
> want to ignore if the user closed his browser after making the
request.
>
> Speaking of streaming pages, I'd really like if I didn't need to use
an
> external method just to print a damn traceback. That facility, if
used
> inside the standard_error_page would obviate the need to always
print a
> traceback in the error page, but I guess this has already been
discussed
> before...
>
> Cheers, Leo
>
> --
> Ideas don't stay in some minds very long because they don't like
> solitary confinement.
>
>
>
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