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This article explains how to (possibly) fix an error along the lines of “Encountered error while fetching the list of EventHub PartitionIds” which is thrown by your Azure Function (or other code) trying to trigger based on IoT Hub or Event Hub messages. Problem When trying to debug or run…Continue reading Fixing “Encountered error while fetching the list of EventHub PartitionIds.” with an IoTHub trigger in Azure Functions
Here is another pretty quick one – trying to debug Azure Functions fails with a confusing error message about failing to create a lease for a partition. But as usual, the fix is (probably) simple, and this article explains what to do :) So, hey future me, finding this article…Continue reading How to fix “The listener for function was unable to start. Out of retries creating lease for partition 0”
In this article, I’m listing the quick fixes to your Azure Functions suddenly throwing seemingly random and very unexpected CORS errors. I have run into this so many times that I had to list these (admittedly simple) fixes in order of importance purely for myself – but perhaps some of…Continue reading Azure Functions suddenly throwing CORS errors when ran locally? Easy fix(es)!
One more article before Christmas! 😁 This time, I’ll be fixing a function that’s triggering based on new messages received through my IoT Hub in my Azure Functions project. Technically speaking, this is super simple to implement – your function needs to define an IoTHubTrigger, with an Event Hub name…Continue reading How to fix “Microsoft.WindowsAzure.Storage: Server encountered an internal error. Please try again after some time.” when using IoTHub trigger for Azure Functions?
Another fun one with Azure Functions! At least it’s a simple one: this time, I ran into a weird issue while doing some code reusing – well, copy-pasting – between a couple of different projects. I was lovingly hand-crafting some Azure Functions, while suddenly the Azure Functions host would throw…Continue reading Azure Function build fails with “Mono.Cecil.AssemblyResolutionException: Failed to resolve assembly: Microsoft.AspNetCore.Mvc.Core”
This article explains how to fix an issue where your Azure Functions function (yes, that’s a capital F and a lowercase f to denote the difference between the product and the piece of compute) fails to fire when a POST request comes in, even though it’s configured to do so,…Continue reading How to fix “Unable to cast object of type ‘System.Net.Http.HttpRequestMessage’ to type ‘Microsoft.AspNetCore.Http.HttpRequest’.”
This article explains another fun issue that you might run into when developing Azure Functions in your local environment. It was weird how unclear the few results were that I could find. And the issue is just… very hazy in general. But I was able to track the issue down,…Continue reading ILogger binding suddenly failing for Azure Functions – what to do?
This article aims to patch one annoying gap in Microsoft’s documentation: how, exactly, do you update Azure Function App’s application settings using an Azure DevOps build/release pipeline? It sounds easy, and something that should happen almost automatically – and for Azure Web Apps (or App Services, as they are often…Continue reading How to update application settings of an Azure Functions App in Azure DevOps Pipeline
Another day, another issue with Azure Functions! For such a simple and powerful tool, it sure does produce a lot of topics for blog articles! 😁 So, in this article, I’m explaining a couple of possible reasons why you might get an error along the lines of “Missing value for…Continue reading “Missing value for AzureWebJobsStorage in local.settings.json” when debugging Azure Functions locally?
Sometimes, you need to change the hosting model (or tier) for your resources on Azure. Maybe you’ve outgrown whatever you’ve originally selected, maybe you’ve got too much cash on your hands, or maybe you’re like me, and you get absolutely and completely fed up with the cold starts for your…Continue reading How to change Azure Functions from Consumption to Premium Elastic plan?