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May 2008 - Posts

ASP.NET Memory: Thou shalt not store UI objects in cache or session scope

Posted Wednesday, May 28, 2008 2:23 PM by Tess
ASP.NET Memory: Thou shalt not store UI objects in cache or session scope Surprisingly the issue I wrote about in " the eventhandlers that made the memory baloon " (Jan 2006) is something that still happens very frequently, I reference it in Read More...
25 Comments

My presentation on Troubleshooting ASP.NET applications at Oredev

Posted Monday, May 26, 2008 12:01 PM by Tess
The guys at Oredev are in the midst of preparing for the next Oredev conference in November. Sadly I won't be presenting there this year because of other comittments. I say sadly because it was an awesome event last year. If you want to check out my presentation Read More...
1 Comments

The 21 most popular blog posts

Posted Wednesday, May 21, 2008 3:45 PM by Tess
I started this blog 2.5 years ago today, mostly because I felt that the same types of issues came up over and over and over in our support cases. I figured that if I started writing about them, a lot of people would be able to resolve them on their own, Read More...
14 Comments

DebugDiag 1.1 or Windbg, which one should I use? and how do I gather memory dumps

Posted Wednesday, May 21, 2008 1:40 PM by Tess
If you have read any of my posts you have probably noticed that I am very partial to windbg and the debugging tools for windows. I often get friendly nudges from the developers of debugdiag when I suggest using adplus and windbg on internal discussion Read More...
12 Comments

ASP.NET Performance issue: Large number of application restarts due to virus scanning

Posted Wednesday, May 14, 2008 9:44 AM by Tess
Issues caused by frequent application restarts are pretty common. If you are interested in what causes application restarts in general, and how you can monitor application restarts and what causes them you should read this post: ASP.NET Case Study: Lost Read More...
11 Comments

IIS7 Breaking Changes for ASP.NET 2.0

Posted Wednesday, May 14, 2008 9:36 AM by Tess
I just came across this great post from Mike Volodarsky (a program manager in the IIS team) about breaking changes when you move 2.0 applications to IIS 7 . It is definitely worth a read before you make the switch so you can take appropriate actions to Read More...
1 Comments
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"Failed to start stack walk: 80004005", "Following frames may be wrong" and other errors you may see in windbg

Posted Tuesday, May 13, 2008 4:33 PM by Tess
When you debug .net applications you will sometimes get error messages in windbg. Here are a few of the ones I most commonly get questions around... Failed to start stack walk If you run the sos command !clrstack to display the .net stack on a thread, Read More...
15 Comments

ASP.NET Hang: Authenticode signed assemblies

Posted Tuesday, May 13, 2008 11:26 AM by Tess
When you use authenticode signed assemblies in an application, the application needs to go out and check the certificate revocation lists (CRLs) to verify that the signature is still valid the first time it loads up the authenticode signed assembly. If Read More...
2 Comments

Blog Interesting - 32 Ways to Keep Your Blog from Sucking

Posted Friday, May 09, 2008 1:39 PM by Tess
Today I came across a really good article for bloggers, Scott Hanselmans post on " Blog Interesting - 32 Ways to Keep Your Blog from Sucking " (update: for some reason the link gives an xml error, should be http://www.hanselman.com/blog/BlogInteresting32WaysToKeepYourBlogFromSucking.aspx Read More...
6 Comments

How do I get a hotfix for .net or Visual Studio?

Posted Friday, May 09, 2008 9:26 AM by Tess
I very frequently get emails like the one I got this morning: "Tess, It sounds like the hotfix for kb946644 may resolve a problem we've been having for some time in .Net 2.0. How, exactly, can we get this hotfix? Can you provide it?" This particular hotfix Read More...
3 Comments
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ntdll!kifastSystemcallret, SharedUserData!SystemCallStub and search engines...

Posted Wednesday, May 07, 2008 11:31 AM by Tess
If I were to pick out ten keywords for my blog I would pick, in no particular order, ASP.net, windbg, sos, debugging, .net exceptions, memory leaks, performance issues, OutOfMemory exceptions, garbage collection, troubleshooting. Those are the things Read More...
3 Comments

ASP.NET Crash: StackOverflowException with Server.Transfer

Posted Tuesday, May 06, 2008 10:54 AM by Tess
I have written a few posts about stackoverflow exceptions, here, here , here and here . The one I am going to talk about today is one of those unfortunate cases where you are trying to do the right thing and still shoot yourself in the foot. Problem description: Read More...
13 Comments
 
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