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File Explorer Loading Problems / thinking mode

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Peyman
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Peyman asked on 10 Oct 2011, 08:24 AM
hi dear telerik team :
it seems File Explorer has some problems when want to load a folder  / it goes to thinking mode / stay on loding.gif ajax mode!
this problem appeared aftre publish / my server speed is ok -> 5-6 mbps
but i do n't know how can i fix this issue?

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Dobromir
Telerik team
answered on 11 Oct 2011, 10:11 AM
Hi Peyman,

There are two main reasons for such problem to occur:
  1. A custom AJAX request that is triggered along with the RadFileExplorer's request to populate the folder - RadFileExplorer is heavily based on client callbacks and it is highly not recommended to be externally ajaxified.
  2. A server-side error has occurred during the RadFileExplorer's request preventing its correct execution. Could you check if the response is correctly returned from the server using FireBug?

In order to be able to provide more to the point answer, we will need to examine and debug the problem locally. Could you please provide a fully runnable sample project and / or a live URL reproducing the problem so we can examine the issue further?
All the best,
Dobromir
the Telerik team
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Peyman
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answered on 11 Oct 2011, 10:54 AM
hi Dobromir,
this is a live example about this issue ...
File Explorer Example Live Demo
some times (many times) that file explorer goes to thinking mode without any reasons ...
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James Campbell
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answered on 11 Oct 2011, 07:54 PM
Peyman, you posted a dead link, least it is not functioning at this time.
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Dobromir
Telerik team
answered on 11 Oct 2011, 08:03 PM
Hi Peyman,

Unfortunately, the provided live URL is not accessible. Could you please verify that this is the correct address and if it is available for public access?

All the best,
Dobromir
the Telerik team
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Peyman
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answered on 11 Oct 2011, 11:07 PM
so sorry about that,
my server is in poland and i do n't know what is going on about that domain!
plz use one of the below links :
Old File Explorer Link - Faster
New File Explorer Link - Not So Fast
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Peyman
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answered on 11 Oct 2011, 11:31 PM
i did n't use any server side event for this control...
just one client side event (OpenFile) that it has nothing to do about this problem!
i am so sad about this issue...
any idea?
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James Campbell
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answered on 12 Oct 2011, 12:14 AM
I wonder if it is a latency issue, I did see the problem, but it only happened when the site was running very very very slow. The load was horrible, then it happened. Refreshed and it was fine and fast and problem gone. Looks like you may want to check your host's internet connection, least fron where I am , Northeast PA. Response times are spuratic and I would think that has got to have something to do with it. Does it happen when you run the project locally?
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Peyman
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answered on 12 Oct 2011, 08:21 AM
it seems in local we can not see this problem ->
but my first link is fast and we should n't have this problem on it , but we have!
besides what about users with low speed internet connection?

thanks in advance
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Peyman
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answered on 12 Oct 2011, 12:21 PM
any idea ?
i am so sad about this problem!
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James Campbell
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answered on 12 Oct 2011, 03:53 PM
What I see from my internet connection isn't just slowness here and there, I see complete loss of packets, meaning a loss of server client mid-communication. I would talk to your host, or even open ICMP, ping it for a bit like “ping YOURIPHERE – t > ping.txt”. Wait about a few minutes, look at the dropped packets, I’ll bet there are a few.

This is just an idea of what may be going on, Telerik would always know best, open a support ticket.
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Peyman
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answered on 12 Oct 2011, 11:35 PM
but what about server #2...
both of them have this problem.
i think this problem has nothing to do with server problem!
any other idea?
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James Campbell
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answered on 13 Oct 2011, 05:13 PM
Both seem to have some connection issues IMO from what I have seen. I also see the client requests going out from the control, but the server is not responding. This can be confirmed using something like fiddler: http://www.fiddler2.com/fiddler2/ .
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Dobromir
Telerik team
answered on 17 Oct 2011, 05:05 AM
Hello Payman,

I tried both links and was able to reproduce the problem only once, and I noticed that at this moment there was an interrupted AJAX request initiated by RadFileExplorer, I am not quite sure why this request was aborted, and I was not able to reproduce the problem once again.

However, when I decided to try it again yesterday, the links were changed and I was unable to examine the page again. Since you are not able to reproduce the problem locally and are able to observe it on the server, could you please check if there is an aborted AJAX request every time the problem occurs. If so, try to disable the AJAX on the page and test again. If the explorer keeps 'hanging' and its internal AJAX requests keep getting aborted, I would recommend you to contact the hosting company and ask for server logs.

Regards,
Dobromir
the Telerik team
If you want to get updates on new releases, tips and tricks and sneak peeks at our product labs directly from the developers working on the RadControls for ASP.NET AJAX, subscribe to their blog feed now
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Dobromir
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Peyman
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James Campbell
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