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And when you think there's nothing left to do... you can still debug live

There are circumstances where taking a dump is not possible or simply not convenient; imagine a situation where you're hunting a nasty exception you don't know where it comes from and you need to follow some complex steps to get there, or when you have Read More...
Posted Saturday, March 08, 2008 7:45 PM by carloc | 1 Comments
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aspnet_wp.exe can not be started. Code: 80070003

This was a Windows 2000 server with ASP.NET 1.1 installed, and for some reason the customer was unable to start his web applications, he was getting "Server Application Unavailable" messages on the client. We found the Application event log Read More...
Posted Tuesday, February 19, 2008 3:45 PM by carloc | 1 Comments
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LogParser scripts for various occasions...

I've been working again with LogParser lately to extract some statistics for an IIS server which was facing a suspicious activity from the outside world: they were getting literally thousands of requests from a bunch if IP addresses to their page to request Read More...
Posted Wednesday, February 06, 2008 3:56 PM by carloc | 1 Comments
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Need to print from a x64 machine? Can you wait 60 seconds?

I guess some of you might have developed a web application which, among other functionalities, prints some kind of report; and sooner or later you might consider to move the application to a 64 bit machine. At this is what this customer did. They had Read More...
Posted Thursday, January 31, 2008 8:33 PM by carloc | 1 Comments

Don't let IE local cache drive you crazy!

I stumbled across this issue multiple times during my life of web developer (which begun about 10 years ago), it appeared every now and then to complicate things when I was in the middle of a heavy debugging sessions and doing frequent changes to my pages; Read More...
Posted Sunday, December 16, 2007 2:04 PM by carloc | 4 Comments

.NET Runtime 2.0 Error, Event id:5000

This error message was reported by a customer last week; every day, randomly, his application pools (on two servers in NLB) were restarted during business hours without an apparent reason, and of course users were complaining because of lost sessions Read More...
Posted Friday, October 19, 2007 11:05 PM by carloc | 1 Comments
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Take control over Windbg

If you're like me and most of my colleagues in Customer Service and Support, you'll probably spend a good deal of time in your debugger, which for me is WinDbg. So, since I'm in love with keyboard shortcuts (a colleague of mine likes kidding me stealing Read More...
Posted Sunday, October 14, 2007 11:19 PM by carloc | 3 Comments
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Ok, now how do I capture my dump?

Now we know how it started , some basic information and terminology and why symbols are important , it's now time to capture our first dump. How? When? Using which tool? It depends... From the second post of this series we already know the difference Read More...
Posted Monday, October 08, 2007 11:50 PM by carloc | 4 Comments
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Why should we care about symbols?

I already touched this topic a while ago , but since it's an important part of the debugging process (and your debugging techniques may vary a lot, depending if you have or not good symbols for your dump) I though would be a good idea to give some more Read More...
Posted Sunday, September 23, 2007 10:59 PM by carloc | 5 Comments
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Something you need to know before start debugging

It may appear as a contradiction after my previous post , but the first thing to do to start analyzing a memory dump is ask yourself: do I really need a dump?!? Let me explain: when you need to troubleshoot an error there are a number of things to do Read More...
Posted Friday, September 14, 2007 5:31 PM by carloc | 2 Comments
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New to debugging? How it all begun (and how could begin for you, too...)

When I joint Microsoft and the EMEA Internet Dev Support Team in late 2004, I soon realized that I had to build a new skillset to have a future in my new role; before that I was a kind of "self made" developer, in the sense that almost everything Read More...
Posted Tuesday, September 11, 2007 10:27 PM by carloc | 5 Comments
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Find folder size (conditionally) with LogParser

I was reading this post from Rahul a few days ago, and wondered if something similar could have been done (hopefully with less efforts) with LogParser ... Well, it turned our that LogParser accepts a " -FS " switch which stands for File System Read More...
Posted Friday, August 31, 2007 4:18 PM by carloc | 6 Comments
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Start to play with LogParser

A few months ago (back at the beginning of March) at the annual offsite meeting my virtual team had in Lisbon, my colleague Doug held an hour session about LogParser and some of the cool features it has. Doug promised to blog about it with more details, Read More...
Posted Friday, August 31, 2007 11:48 AM by carloc | 3 Comments
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I have an OutOfMemory exception in my dump! Am I leaking memory?

Well... the short answer is: not necessarily I had this discussion a few days ago with a customer who called CSS for a crash they were having, and since he was also starting to learn some debugging and dump analysis basics, he was interested to have some Read More...
Posted Saturday, August 04, 2007 10:59 PM by carloc | 1 Comments
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Visual Studio debugger conflicts on port 80

I personally got this problem on my laptop a while ago where IIS and Skype where involved, and even if this time the customer reported two different applications involved (Visual Studio 2005 and Cisco IP Communicator), the symptoms where the same: with Read More...
Posted Sunday, July 22, 2007 4:37 PM by carloc | 3 Comments
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