RE: [FlashComm] Clients getting disconnected from FCS after idle
time 2004-02-27 - By graeme.bull@(protected)
Back
It exists. I'll make an app and email you directly with the link and the
contents of the application (server and client side).
It might not be a problem if you are running the server locally.. I've
never tried that.
Thanks
Graeme
> I can't repro this "unresponsive" client situation you described. I
> created
> an app just as you said. I left it idle all day and than at the end of
> the
> day, called a method on the server side and I got the response as I
> expected.
>
> The gc'ing of zombied clients and the ping should be fixed in the patch.
>
> Regards,
> Ed
>
>> -- --Original Message-- --
>> From: graeme.bull@(protected)
>> [mailto:graeme.bull@(protected)]
>> Sent: Thursday, February 26, 2004 9:31 PM
>> To: flashcomm@(protected)
>> Subject: RE: [FlashComm] Clients getting disconnected from
>> FCS after idle time
>>
>>
>> I'm not sure what Brian is talking about, to be honest I've
>> never had that problem of a client being disconnected, more
>> of a half connected mode like I mentioned below.
>>
>> The connection not getting closed is another big one, but I
>> would assume it's something to do with the flash player not
>> sending out the "disconnected" signal. I would be nice to
>> not have to implement a workaround to check for dead clients,
>> but most of us I think have already got the snippet handy for
>> all projects built for FCS. Hope you get it worked out then.
>>
>> -Graeme
>>
>>
>>
>> > I just want to be clear that we're talking about the same
>> thing. It
>> > sounds like Graeme is talking about clients becoming "unresponsive"
>> > whereas it sounds like Brian was talking about clients getting
>> > "disconnected". Brian,
>> > is that correct, or did I misunderstand?
>> >
>> > As for the "unresponsive" clients...we have addressed bugs
>> related to
>> > this in the patch. However, the problem we've addressed
>> seems to be
>> > slightly different than what Graeme describes. The problem we've
>> > fixed relates to cleaning up "zombied" connections;
>> connections that
>> > FCS thinks are still there but really are not. This can happen for
>> > various reasons; abnormal app shutdown, network failure, etc. What
>> > happens is that the connection on the
>> > client end has been closed. However, FCS has not yet been
>> notified. This
>> > can happen because sometimes the OS doesn't close the
>> socket right away,
>> > or
>> > whatever. In any case, the connection looks valid on the
>> server end. So
>> > what FCS does, is it tries to ping the client. If it gets
>> a reply, it
>> > knows
>> > the client is still alive. If it doesn't get a reply, the
>> client must be
>> > dead, and we will explicitly close the connection on our
>> end. This client
>> > gc and ping mechanism is fixed in the up coming patch.
>> >
>> > However, what Graeme describes, and I haven't gone back
>> thru the list
>> > archives to check, but it seems he describes a situation where a
>> > client is connected, but not doing anything. Then after
>> some time, it
>> > appears the client is hosed; not disconnected, but
>> unresponsive. Is
>> > that correct?
>> >
>> > Actually, one thing that just popped into mind regarding
>> mysteriously
>> > disconnected clients is, I think firewalls or load balancers may be
>> > configured to close connections if there has not been
>> network activity
>> > for some time. That may be happening in Brian's case.
>> >
>> > Anyway, getting back to unresponsive clients...I'll try the
>> simple app
>> > that Graeme suggests. We have had apps with long lived client
>> > connections that seem fine. But they are either doing
>> something, or
>> > doing nothing, but in both cases behaved as expected and
>> did not get
>> > disconnected unless there was
>> > a network error or something. I'll try letting a client be
>> idle for some
>> > time and then see if it responds to commands after that.
>> >
>> > Ed
>> >
>> >
>> >
>> >> -- --Original Message-- --
>> >> From: Jorge Maiquez [mailto:j_maiquez@(protected)]
>> >> Sent: Thursday, February 26, 2004 3:15 AM
>> >> To: flashcomm@(protected)
>> >> Subject: RE: [FlashComm] Clients getting disconnected from
>> FCS after
>> >> idle time
>> >>
>> >>
>> >> I first noticed it ages ago (FCS1.0 I think) in apps where no
>> >> connectionlight or any other pinging mechanism was being used.
>> >> Haven't really noticed it since, but then again most of my
>> apps now
>> >> make use of some sort of pinging.. No big help, I know.. just a
>> >> confirmation that I've also seen this behaviour before,
>> and I think
>> >> it happened more with mac's than with pc's, but don't hold
>> me to that
>> >> :)
>> >>
>> >> Cheers,
>> >> -Jorge
>> >>
>> >>
>> >> Jorge Maiquez
>> >> Technical Architect
>> >>
>> >> Digital Samba
>> >>
>> >> C. Viladomat 108, Pral. 1a
>> >> 08015 Barcelona
>> >> Tel.: +34 93 451 56 62
>> >> Mobile: +34 647 236 027
>> >> http://www.digitalsamba.com
>> >>
>> >> This e-mail is intended for the named addressee only. It
>> may contain
>> >> confidential and/or privileged information. If you have
>> received this
>> >> message in error, please let us know and then delete this message
>> >> from your system. You should not copy the message, use it for any
>> >> purpose or disclose its contents to anyone.
>> >>
>> >> -- --Original Message-- --
>> >> From: graeme.bull@(protected)
>> >> [mailto:graeme.bull@(protected)]
>> >> Sent: Thursday,
>> >> February 26, 2004 7:51 AM
>> >> To: flashcomm@(protected)
>> >> Subject: RE: [FlashComm] Clients getting disconnected from
>> FCS after
>> >> idle time
>> >>
>> >>
>> >> Hi Ed,
>> >>
>> >> You're on fire or something! right on. This is an old bug
>> and most
>> >> people have got around it by using their own "pinging" function or
>> >> something.
>> >>
>> >> I suggest just making a very simple application where you
>> can press a
>> >> button and the server side will return a value and show it
>> in a text
>> >> field. Build, run it, test it and then leave it for
>> about... 2 mins
>> >> or so and press that button again. It's not so much that
>> the client
>> >> gets disconnected, it's that the client on longer can send
>> or receive
>> >> with the server. Very strange.
>> >>
>> >> (we have tried the maxappidle time too, see the archives
>> if you need
>> >> confirmation, it's all there)
>> >>
>> >> Graeme
>> >>
>> >>
>> -- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ------
>> >> Supported by Fig Leaf Software
>> >>
>> -- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ------
>> >> Lower Prices for Certified Training! Check out new lower
>> prices for
>> >> Certified Macromedia Training from Fig Leaf Software. Expand your
>> >> skill set with courses in ColdFusion, Flash, Rich Internet
>> >> Applications and .NET in the new year. Fig Leaf Software provides
>> >> the highest caliber instruction at our training centers in
>> >> Washington
>> >> D.C., Atlanta, Chicago, Baltimore, Northern Virginia, or
>> >> on-site at your location.
>> >>
>> >> Get the details at http://training.figleaf.com/
>> >>
>> -- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ------
>> >> To unsubscribe, e-mail: flashcomm-unsubscribe@(protected)
>> >> For additional commands, e-mail:
>> flashcomm-help@(protected)
>> >>
>> >
>> >
>> -- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ------
>> > Supported by Fig Leaf Software
>> >
>> -- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ------
>> > Lower Prices for Certified Training! Check out new lower prices for
>> > Certified Macromedia Training from Fig Leaf Software. Expand your
>> > skill set with courses in ColdFusion, Flash, Rich Internet
>> > Applications and .NET in the new year. Fig Leaf Software
>> provides the
>> > highest caliber instruction at our training centers in Washington
>> > D.C., Atlanta, Chicago, Baltimore, Northern Virginia, or on-site at
>> > your location.
>> >
>> > Get the details at http://training.figleaf.com/
>> >
>> -- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ------
>> > To unsubscribe, e-mail: flashcomm-unsubscribe@(protected)
>> > For additional commands, e-mail:
>> flashcomm-help@(protected)
>> >
>> >
>>
>>
>> -- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ------
>> Supported by Fig Leaf Software
>> -- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ------
>> Lower Prices for Certified Training! Check out new lower
>> prices for Certified Macromedia Training from Fig Leaf
>> Software. Expand your skill set with courses in ColdFusion,
>> Flash, Rich Internet Applications and .NET in the new year.
>> Fig Leaf Software provides
>> the highest caliber instruction at our training centers in
>> Washington
>> D.C., Atlanta, Chicago, Baltimore, Northern Virginia, or
>> on-site at your location.
>>
>> Get the details at http://training.figleaf.com/
>> -- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ------
>> To unsubscribe, e-mail: flashcomm-unsubscribe@(protected)
>> For additional commands, e-mail: flashcomm-help@(protected)
>>
>
> -- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ------
> Supported by Fig Leaf Software
> -- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ------
> Lower Prices for Certified Training! Check out new lower prices for
> Certified Macromedia Training from Fig Leaf Software. Expand your
> skill set with courses in ColdFusion, Flash, Rich Internet
> Applications and .NET in the new year. Fig Leaf Software provides
> the highest caliber instruction at our training centers in Washington
> D.C., Atlanta, Chicago, Baltimore, Northern Virginia, or on-site at
> your location.
>
> Get the details at http://training.figleaf.com/
> -- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ------
> To unsubscribe, e-mail: flashcomm-unsubscribe@(protected)
> For additional commands, e-mail: flashcomm-help@(protected)
>
>
-- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ------
Supported by Fig Leaf Software
-- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ------
Lower Prices for Certified Training! Check out new lower prices for
Certified Macromedia Training from Fig Leaf Software. Expand your
skill set with courses in ColdFusion, Flash, Rich Internet
Applications and .NET in the new year. Fig Leaf Software provides
the highest caliber instruction at our training centers in Washington
D.C., Atlanta, Chicago, Baltimore, Northern Virginia, or on-site at
your location.
Get the details at http://training.figleaf.com/
-- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ------
To unsubscribe, e-mail: flashcomm-unsubscribe@(protected)
For additional commands, e-mail: flashcomm-help@(protected)
|
|
