[Twisted-web] Re: why doesn't work nevow.example.callremote with IE (InternetExplorer)?

[Peter Arwanitis]

third and solved

another irc and thanks to harshaw, who have found the missing link between
liveglue.js and athena.js

indeed a IE specific thing. he postet a fix against athena.js from nevow060,
porting a part from liveglue.js:
http://deadbeefbabe.org/paste/2093

and the world is spinning again
thanks exarkun, harshaw!

good night from germany
Peter
(=PA=)

On 11/10/05, Peter Arwanitis <spex66 at gmx.net> wrote:
>
> Hmm first self-reply...
>
> after irc and own deja-vu... I started to compare chatola based on older
> lifepage implementation, because same
> req.notifyFinish().addErrback(...)
> thingy was used in
> nevow.livepage.OutputHandlerResource.renderHTTP(...)
>
> and strange... chatola based on this can handle leaving IE's immediately!
>
> But I cannot see the difference of the two connection-pattern
> (athena/livepage)... there are too much surrounding code-jungle for me
>
> anybody else?
> Peter
> (=PA=)
>
> On 11/9/05, Peter Arwanitis <spex66 at gmx.net> wrote:
> >
> > Hi there,
> >
> > callremote example demonstrates the notifyOnDisconnect() feature for
> > athena-livepages (using twisted2.0.1 / nevow0.6.0 / python2.3.5 on
> > winXP).
> >
> > Firefox triggers with a reload of the page or a change to another page
> > the callbacks added to notifyOnDisconnect _immediately_ --> perfect!
> > 'A client lives!'
> > 'A client dies!' twisted.internet.error.ConnectionDone: Connection was
> > closed cleanly.
> > 'A client lives!'
> > 'A client dies!' twisted.internet.error.ConnectionDone: Connection was
> > closed cleanly.
> > ...
> > Why doesn't this work with IE, too??? The connections dies in a delayed
> > timeout... but not immediately. The problem is, that meanwhile open
> > connections from IE to webserver was established, and they are limited to
> > TWO!!! And the whole things hangs, waiting for timeouts to free the
> > connections.So this will be a serious bottleneck! (at least for my
> > design :-/)
> > 'A client lives!'
> > 'A client lives!'
> > ...
> > ...
> > later: 'A client dies!' twisted.internet.error.TimeoutError: User
> > timeout transports created by client.
> >
> > thanks to exarkun on irc and his hint to
> > http://www.winguides.com/registry/display.php/536, you can play with
> > number of needed connections, but leaving / refreshing a livepage
> >
> > The mechanism is based on twisted.web.server.Request.notifyFinish() and
> > hopes that this one is throwing a
> > "twisted.internet.error.ConnectionDone: Connection was closed cleanly."
> > if the connection got lost.
> >
> > But this error to trigger the req.notifyFinish().addErrback(...) does
> > not come with IE leaving or reloading a page.
> >
> > Is this specific for me, or can somebody else reproduce this "feature".
> >
> > Does someone have deeper knowledge about the live-connection hold with
> > IE from athena? And how notifyOnDisconnect() could work with IE, too???
> >
> > thanks a lot
> >
> > greetings from germany, munich
> > Peter
> > (=PA=)
> >
>
>
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