Classic ASP Discussion - Server Variables

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Server Variables

Printed From: Web Wiz Forums
Category: General Discussion
Forum Name: Classic ASP Discussion
Forum Description: Discussion on Active Server Pages (Classic ASP).
URL: https://forums.webwiz.net/forum_posts.asp?TID=31732
Printed Date: 28 March 2026 at 12:24am
Software Version: Web Wiz Forums 12.08 - https://www.webwizforums.com

Topic: Server Variables

Posted By: bsafsbc
Subject: Server Variables
Date Posted: 07 February 2022 at 3:29am

I'm trying to reuse an old legacy application using Classic ASP and after installing it and setting up the MySQL database all is ALMOST working correctly. But I get a fatal server error (500) without explanation when my code tries to set a session variable. I've been able to see that everything else pretty much works - it just acts kind of funny because this variable is missing.

Any ideas why this is generating an error - and what I can do to fix it?

Replies:

Posted By: WebWiz-Bruce
Date Posted: 07 February 2022 at 3:25pm

Are you hosting the website with Web Wiz? If you are you can enabled detailed error messages Classic ASP from the control panel, see page below for further details;

https://www.webwiz.net/kb/controlpanel-tutorials/enable-detailed-error-messages.htm" rel="nofollow - https://www.webwiz.net/kb/controlpanel-tutorials/enable-detailed-error-messages.htm

If you are hosting the website with another provider you may need to enable detailed error messages through the web.config file by adding the following to the system.webServer section;

<system.webServer>
    <httpErrors errorMode="Detailed" />
</system.webServer>

If you are hosting with Web Wiz and need further help, please open a support ticket at https://www.webwiz.net/support" rel="nofollow - www.webwiz.net/support

-------------
https://www.webwiz.net/web-wiz-forums/forum-hosting.htm" rel="nofollow - Web Wiz Forums Hosting
https://www.webwiz.net/web-hosting/windows-web-hosting.htm" rel="nofollow - ASP.NET Web Hosting

Posted By: bsafsbc
Date Posted: 08 February 2022 at 9:06pm

Yes, it is hosted on WebWiz. And the error I get is shown below. The option in Web.Config to see all errors is already set. And I have gone through the control panel setup. I do get other errors properly displayed when they occur as I'm trying to re-launch this application. Only the action of setting a session variable causes this error:

"Session Variables SetAn error occurred on the server when processing the URL. Please contact the system administrator.

If you are the system administrator please click https://go.microsoft.com/fw/?ID=82731 - here to find out more about this error."

Posted By: bsafsbc
Date Posted: 08 February 2022 at 9:45pm

Forgot to mention - the first part "Session Variables Set" is a tracer line I inserted in the code before the session set. It didn't get to the tracer I set several lines after.