[Seaside] Re: Connection Closed failure - should something handle this?

[Robert Sirois]

Here's a couple posts from before.
http://lists.squeakfoundation.org/pipermail/seaside/2010-July/023793.html
I still have this problem regularly... I wanna say Announcements have something to do with it as well? Or maybe it's just by virtue of refreshing.
RS

Date: Fri, 20 Aug 2010 06:00:39 -0400
From: arning at charm.net
To: seaside at lists.squeakfoundation.org
Subject: Re: [Seaside] Re: Connection Closed failure - should something handle	this?



  


    
  
  
    FWIW, this happens in non-Pharo Squeak as well.
      Sometimes 3 or 4 in rapid succession.

      

      Cheers,

      Bob

    

    On 8/20/10 3:47 AM, Lukas Renggli wrote:
    
      Hi Tim,

This could be due to a change in the Sockets in Pharo, that's maybe
why other people do not see it. It is definitely a bug to get
debuggers.

I don't have time to investigate further right now, but I guess
somebody will come up with a fix quickly :-)

Lukas

On 20 August 2010 09:44, Nick Ager <nick.ager at gmail.com> wrote:

      
        Hi Tim,


        
          Still - it would seem that by signalling this - it could happen, and
something should catch it?

Looking again, I see the following method in the stack:

WAListenerAdaptor>>waitForConnection: aSocket
       | socket stream |
       socket := aSocket waitForAcceptFor: 10.
       socket isNil ifTrue: [ ^ self ].
       stream := SocketStream on: socket.
       [ [ [ self process: stream ]
               ensure: [ stream close ] ]
                       ifCurtailed: [ socket destroy ] ]
                               forkAt: Processor userBackgroundPriority


Shouldn't that ifCurtailed: prevent this walkback?

        
        It doesn't prevent the walkback, but makes sure that "socket destroy" is
called. Experiment with:
[Error signal] ifCurtailed: [Transcript show: 'Abandoned'; cr].
Transcript show: 'Proceeded'; cr
from the  excellent exception PBE draft
chapter: https://gforge.inria.fr/frs/download.php/26600/PBE2-Exceptions-2010-03-02.pdf
Nick
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