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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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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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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

Debugger not debugging, and Response.Redirect() not redirecting...

The customer was working on a WinXP machine joined to a domain, but had logged in using a local account (I've not tested if this may have contributed to the problem so this may be a useless information). Anyway to make things easy I connected to the faulting Read More...
Posted Wednesday, June 27, 2007 10:40 PM by carloc | 0 Comments

Are you profiling your application and now you can't debug anymore?

This is an interesting case I got very recently and that made me scratch my head a lot, wondering what was going wrong on customer's machine for a while... until I called Doug on the rescue and we (he) drove the call to an happy ending I got this case Read More...
Posted Sunday, May 06, 2007 12:11 AM by carloc | 1 Comments

Watch out your Web Events!

In ASP.NET 2.0 we have a new powerful monitoring feature called "Web Events" which help keep track of important events happening during your application's lifetime, such as the application is starting, is stopping, it has been recompiled, exceptions etc... Read More...
Posted Saturday, March 10, 2007 5:57 PM by carloc | 0 Comments
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Unable to attach to process (on localhost)

Another interesting one I got a few days ago: after installing the SP1 for Visual Studio 2003, the customer was unable to debug his web application (on localhost) neither pressing F5 nor attaching to the target w3wp.exe process. As you can imagine, removing Read More...
Posted Friday, February 23, 2007 3:09 PM by carloc | 9 Comments

Sweet sorrow... remote debugging (and more)

Continuing from my previous post on common causes for memory leaks, remote debugging is another ASP.NET feature that has the potentiality to either delight (uhm... am I exaggerating here...? ) a web developer or drive him completely crazy I remember 8-9 Read More...
Posted Saturday, September 30, 2006 6:42 PM by carloc | 1 Comments

Quick things to check if you are leaking your memory

After a couple of years working in InternetDev support I've seen many different kind of problems reported by customers (different environments, different use of Microsoft technologies and products combined together, different application needs, different Read More...
Posted Monday, September 25, 2006 12:00 PM by carloc | 2 Comments
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