HTTP/1.1 New Session Failed on VPS
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Category: Web Wiz Web App Support Forums
Forum Name: Web Wiz Forums
Forum Description: Support forum for Web Wiz Forums application.
URL: https://forums.webwiz.net/forum_posts.asp?TID=25493
Printed Date: 02 April 2026 at 2:46am Software Version: Web Wiz Forums 12.08 - https://www.webwizforums.com
Topic: HTTP/1.1 New Session Failed on VPS
Posted By: vassabi
Subject: HTTP/1.1 New Session Failed on VPS
Date Posted: 27 March 2008 at 10:00am
Hi Bruce, recently I moved my website to virtual dedicated server and also moved WWF there, the problem is that WWF stops responding after 2-3 hours of working and the page gives me the following error HTTP/1.1 New Session Failed and I need to restart IIS to make it work again, meanwhile ASP.net apps continue working without any problem.
Do you have any idea why this could happen?
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Replies:
Posted By: WebWiz-Bruce
Date Posted: 27 March 2008 at 11:16am
This is certainly a server issue.
VPS (Virtual Private Servers) and VDP (Virtual Dedicated Servers) are two different things. You mention both so not quite sure which one you are using?
VPS is the cheaper of the two and usually uses Virtuozzo and means that all VPS Guests share the same kernel, making it cheaper for the web host but means if another VPS is playing up it effects you all. Instead of having your own Virtual Dedicated Sefver you have a Virtual Container on a shared OS.
VDS usually uses software like VMware, and each Virtual Dedicated OS is a new install of the OS which you do not share with anyone else. If one Guest OS plays up it doesn't effect the others.
I personally would avoid VPS based on Virtuozzo as you may as well be on a shared server, just you have the advantage of RDP to install your own software.
If you are going down the virtual OS route you should go for a VDS solution based on software like VMware were you are not sharing OS kernel, burstable memory, etc. and have your own Dedicated OS installation with your own allocated memory, disk space, etc.
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Posted By: WebWiz-Bruce
Date Posted: 27 March 2008 at 11:32am
By the way Web Wiz Forums will work fine on Virtual Servers, as all our development servers run on Virtual Servers, and even this site runs on WMware Virtual Server.
You may want to try reinstalling IIS on your Virtual Server and see if that fixes the issue.
However, this is certainly a server issue, rather than an issue with Web Wiz Forums, so you may want to get onto your web host about this.
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Posted By: vassabi
Date Posted: 27 March 2008 at 12:55pm
Thanks for reply Bruce, I am using VPS (Virtual Private Server) I contacted the hoster support and they say that the problem occurs because of inappropriate memory usage from the scripts, and as the only thing that crushes is the WWF (all other applications works ok, but they are ASP.net ones) I suspect that it somehow relates to it, BTW as soon as I start IIS the PF usage starts growing, could this happen because of memory leak in WWF?
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Posted By: WebWiz-Bruce
Date Posted: 27 March 2008 at 1:56pm
'inappropriate memory usage from the scripts' what aload of looks like your web host is copy and pasting a standard reply meaning, there is an issue but we aren't going to do anything about it.
These types of errors I have seen before and are usually a server issue of some kind, however I know from personally experience that trying to track down what is wrong with the server can take hours if not days and often just reinstalling the OS is the fastest solution. However, often reinstalling IIS and making sure you have all the latest drivers and updates can fix the issue.
Web Wiz Forums just uses standard ASP, how memory allocation is dealt with is handled by IIS's application pool and the forum software has no control over this.
Web Wiz Forums code is very cleanly written with any objects and database connections released as soon as they are finished being used. Your host blaming the script (actually ASP is an application not a script) is incorrect. If Web Wiz Forums was badly written then allot of people would have issues. We even had a competition run a few years ago were if anyone could find somewere where an object was not released or a database connection was not closed they would win $100, however no-one was able to find any.
The amount of memory used depends allot on how many visitors your forum gets and the database used.
Typically if you have a forum like this one with around 50 to 100 active users after about 5 hours IIS will use around 150MB.
If you use SQL Server then the amount of memory depends on how big the database is, but after a few days any SQL Server database can be using over 1Gig of memory. To prevent this you can set the maximum memory SQL Server uses to the same size as the database + an extra 50MB or set the database to auto-close thus freeing up memory (I would use a combination of both if you are limited on memory). This reduces the amount of memory used by SQL Server.
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Posted By: vassabi
Date Posted: 27 March 2008 at 2:48pm
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Thanks Bruce, I know that WWF is excellently written application or I couldn't use it for more than 3 years on the shared hosting without any issue, I just wonder why VPS cannot handle a simple website with about 10-20 active users online...
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