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Officially supported platforms?

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Jeremy T. Fuller
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Jeremy T. Fuller asked on 29 Mar 2008, 12:16 AM
Is there a list somewhere that indicates which platforms the Prometheus suite is officially supported on? "Platform" in this case means a specific browser build on a specific operating system build. We recently migrated several of our controls to the new Prometheus suite, with great success. However, I am getting calls from some customers who (unbeknownst to us) are still using Windows 2000 and IE6 (which is build 6.0.2800.1106). After some testing, we noticed that the Windows 2000 version of IE6 behaves quite differently from the Windows XP version of IE6. What specific platforms does Telerik test on and fully support? I'm not asking you to support Windows 2000 if you don't, but I need to know if you aren't testing anything on it. Thanks!

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Konstantin Petkov
Telerik team
answered on 31 Mar 2008, 06:28 AM
Hello Jeremy T. Fuller,

All the supported platform are listed here.

Can you please specify which controls you've noticed behave differently in Win 2000? Do you get any errors there? Thank you for your cooperation and looking forward to hearing from you.

Kind regards,
Konstantin Petkov
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Jeremy T. Fuller
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answered on 31 Mar 2008, 06:31 AM
We have only just now begun testing under Windows 2000. So far, we've only uncovered an issue with a ComponentArt control. I'll post back here if we encounter any Telerik issues. Thanks!
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Jeremy T. Fuller
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answered on 31 Mar 2008, 11:50 PM
We have concluded testing under Windows 2000. We found issues with your RadScriptManager, as well as ComponentArt's script combiner. Both script combiners cause IE6 in Windows 2000 to issue lots of erroneous JavaScript errors. My best guess is that some underlying component in the operating system is failing to handle the HTTP request/response properly, or that the JavaScript engine itself can't handle it. We needed to remove both your script manager, as well as ComponentArt's script manager (and yes, we tried it with just one or the other). This cleared up all Windows 2000 issues. I am going to assume that something in the nature of combining scripts into one request causes issues in Win2k and leave it at that. Once all our customers have migrated to XP or above, we'll reinstate the combiners. If you are able to reproduce and solve the problem, however, please do let me know so that I can bring the RadScriptManager back. (Our 3 JS requests went up to 21 or more without it!) Thanks.
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Konstantin Petkov
Telerik team
answered on 01 Apr 2008, 03:38 PM
Hello Jeremy,

We must admit we have introduced an issue in the "Futures" build concerning RadScriptManager behavior in IE6. We believe the problems are already addressed and you can find a trial version of the hotfix attached to my response. Please, give it a go and let us know if that helps.

Sincerely yours,
Konstantin Petkov
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Jeremy T. Fuller
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answered on 02 Apr 2008, 04:47 PM
The hotfix does not fix the situation under Windows 2000. Thanks!
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Helen
Telerik team
answered on 03 Apr 2008, 11:01 AM
Hello Jeremy,

We tested the behavior locally with the "Futures" build of "Prometheus" controls but couldn't reproduce the problem. Please find our test project attached to this support thread.
Also find attached a screenshot as part of our local tests we made on Win 2000 and IE6. What might be the difference in your case? Are we missing something?

Kind regards,
Helen
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Jeremy T. Fuller
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answered on 03 Apr 2008, 08:55 PM
One difference I see right away is that in our tests, the application was being served from IIS6 and IIS7 from external servers, and the Windows 2000 box was simply consuming the content. You're actually running Cassini on the Win2k box. That might be one source of the issue (I still highly suspect a flaw in the HTTP subsystem).

If you still can't repro anything, then you probably don't have a project of sufficient complexity. Our web application is over 300 MB and has over 5000 files, so it's pretty difficult to set you up with a test case that adequately covers it. Our JavaScript load consisted of your library, some scripts from ComponentArt, some scripts from the AJAX Control Toolkit, and a few scripts from our own assemblies. The total JavaScript load in debug mode including the AJAX Extensions was over 250K, spread out over about 3-4 requests. Your ScriptManager was serving two requests, one for 88K and one for 24K. That should give you an idea of the level of complexity involved here.

The primary and most visible error that we received was "Telerik is undefined", but we also got several other errors. Errors occurred inside script files from you, ComponentArt, and us, and there were even some syntax errors directly in the HTML document. None of these errors were "real", however (the scripts are actually perfect) -- which is why I suspect some sort of bug/overflow in the HTTP or JavaScript system. Removing the ScriptManager cleared up 100% of the errors.

Again, we had the exact same problem with the ComponentArt script handler. The effect was similar -- random JavaScript errors that don't really exist -- but they occurred in different places. It could be that some invalid character is being transmitted during the combine, which modern systems correctly interpret (or ignore), but which causes Win2k to stop parsing or error out.

If I get some free time, I'll attempt to isolate this in a test project of my own, but I'm pretty swamped right now.

Thanks!
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Konstantin Petkov
Telerik team
answered on 04 Apr 2008, 07:53 AM
Hi Jeremy,

Please, review this thread discussing the "'Telerik' is undefined" error. There are numerous solutions suggested there so I hope you can fix that on your end as well and run the project successfully in Windows 2000.

Regards,
Konstantin Petkov
the Telerik team

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Jeremy T. Fuller
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answered on 04 Apr 2008, 04:14 PM
Konstantin,

Trust me, I went through that thread already. It has nothing to do with this issue. I'm not here to argue with you about what is causing it. If you can't fix the problem it's not a big deal -- we just won't use your ScriptManager control as long as we have Windows 2000 users. Thanks.
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Konstantin Petkov
Telerik team
answered on 07 Apr 2008, 06:58 AM
Hello Jeremy,

I was not aware you have already checked the solutions there. I just hoped you can resolve the error with the help of the listed resolutions there.

If you manage to isolate that in a sample project, please submit regular support ticket to be able to attach the files there. We will investigate the problem and get back to you with our findings. Thank you for your understanding and cooperation!

All the best,
Konstantin Petkov
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Von Aerich
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answered on 02 Mar 2009, 09:46 AM
Hello,

We are currently using RadControls for ASPNET AJAX Q2 2008 and so far we are still encountering similar problems (Basically, the radscript manager/javascript issues mentioned above) when custormers are using IE6 for Windows 2000. I would like to ask if there are any fixes available for these and what other possible actions can be done to solve this problem, thanks in advance.
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Sebastian
Telerik team
answered on 02 Mar 2009, 10:42 AM
Hello Von Aerich,

There should be no problems using our RadScriptManager control under IE6 browser and Windows 2000:

http://www.telerik.com/products/aspnet-ajax/resources/system-requirements.aspx
http://www.telerik.com/products/aspnet-ajax/resources/browser-support.aspx

Please migrate to the latest version 2008.3.1314 of the suite and let us know if you encounter any particular issues. We will gladly assist you eliminate them.
 
Best regards,
Sebastian
the Telerik team

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Konstantin Petkov
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Jeremy T. Fuller
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Helen
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Von Aerich
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Sebastian
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