I like to write stuff. As I personally use it for reference, instead of keeping it to myself, I often post it onto my blog here. Here is my list of most used WinDbg commands and what information I get for them. I was a big fan of PSSCOR, but since MEX is now a […]
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Here and here “My Backups are failing, Let’s open a support ticket” are some good information about how to configure an Azure App Service backup. I like the fact that you can also include a database backup in parallel with a backup of the web site. Keep in mind the limit of 10GB in regards […]
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Server Error in ‘/’ Application. Configuration Error Description: An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately. Parser Error Message: The CodeDom provider type “Microsoft.CodeDom.Providers.DotNetCompilerPlatform .CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35” could not be located. Source Error: […]
Read More →Some customers have reported that since Windows Server 2016 their applications are crashing unexpectedly. Restarts and scaling did not help. This has been isolated to an issue with versions of the Dynatrace Extension (installed through the Azure portal) prior to v1.18. The current version of the extension is 1.18.1009 and old versions can be updated […]
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If you can reproduce the slow running WebJob behavior you have hosted with your Azure App Service Web App, Mobile App or API App then you can find out why using the following article. Additionally, if the WebJob is in a hung state, skip right to the portion where you take the memory dump of […]
Read More →I have written a number of troubleshooting labs here, one of which is Lab 21: WinDbg – Memory Consumption. In this article I will identify how to capture a memory dump of a process that is consuming too much memory. In this case it is running on an Azure App Service Web App. NOTE: This […]
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If you ever need to capture trace from within the Azure Portal to troubleshoot an issue, here are the steps required to do that. Login to the portal here. Navigate to the step just prior to where the issue is happening. Press F5 or refresh. Press F12 to start the browser Developer Tools (IE and […]
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I created a sample ASP.NET application that you can download from here that contains a slow running request, a handled and an unhandled exception. UPDATE: I wrote an article here about remote debugging in Visual Studio 2017 and ASP.NET Core here, titled “Remote debug your Azure App Service 2017 including ASP.NET Core”, JIC you are […]
Read More →This has been my favorite WinDbg extension for a long time and I am very happy to see that it has been made public. It can be downloaded from here. To load the MEX extension, copy the MEX.DLL into the winext directory under which your WinDbg client is running. It can be placed any where […]
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Setup: Install Debugging Tools for Windows – for WinDbg Install and configure CSharpGuitarBugs on an IIS server as described in Lab 1 Place PROCDUMP executable on the IIS Server Review memory dump collection process for W2K8 and W2K12 Lab 21.1 Open the main page of the CSharpGuitarBugs website so that a W3WP process is instantiated […]
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