Azure function ilogger not working When I am executing the function, none of the Microsoft… Aug 22, 2024 · Today I couldn't figure out why any of my ILogger messages in my Azure Function weren't appearing in Application Insights. json will not affect the logging from the worker, and similarly, configuration made in your worker code will not impact logging from the host. Mar 21, 2023 · Logging in Azure Functions How to log from anywhere using ILogger and logLevel with . Nov 28, 2023 · I am confused by this statement from MS: "The Functions host and the isolated process worker have separate configuration for log levels, etc. Azure. 0. Apr 17, 2024 · I have a simple dotnet-isolated Azure function written in . In the example above, I can see "information", but not "debug". I am making simple log statements such as the one you have detailed above but when I check in app insights the structured logging capabilities are not working. Apr 26, 2021 · I am porting some simple in-process functions from a dotnet 3. Since upgrading I no longer see any of my _logger. g. Extensions. 1. AddLogging(); Which works fine. I'm using Azure Functions. Any Application Insights configuration in host. public class Nov 8, 2021 · Logging using a constructor injected ILogger<T> instance does not work when it is not part of a function execution. 0 Microsoft. Net 8 which has 1 Http trigger function. Function v. WorkerLoggerProvider and {Microsoft. Extensions v. Sdk. Jun 21, 2019 · ILogger not logging to console after moving to Azure Functions OOB DI #1256 Oct 25, 2022 · If i set default to Debug and Host + Microsoft to None, then *i can't seem to get my Debug Logs from the Azure Function _logger. ApplicationInsights. According to my research they should appear as Trace messages. net 5 function app. LogDebug () to show in my debug console. We are struggling to get it to work with Serilog as the default logger. In the startup I've added public override void Configure(IFunctionsHostBuilder builder) { builder. I have another custom database logger which is added to this function to enable database logging. In the function I'm trying this. Worker. ApplicationInsightsLoggerProvider} Apr 28, 2021 · . Here is what i get (Green : Debug, Blue : Info) : Are we missing something in the way to configure it, or is something not behaving as expected? Jan 10, 2025 · When I look at the ILogger that is passed along in the azure function class constructor, it has : 2 providers : Microsoft. Services. json. Extensions Oct 25, 2022 · Running my Functions locally (func start --csharp), I am unable to see any logs with log levels below Information. LogInformation events. Net 5 Azure Function: Custom properties of ILogger generated messages are not showing up in Application Insights Example: logger. LogInformation("Example {ExampleValue}", 1001); Expected in Applica Mar 3, 2021 · However, for now the basics don't seem to work. Looks like it is an active issue being tracked here: May 7, 2025 · Learn how to use dependency injection for registering and using services in . 28 Microsoft. transactionId. May 14, 2019 · Function App version: 2. NET 8. you can do that in host. The Program. . NET and Dependency Injection When building Functions Apps I reach the point when I want to do Dependency Nov 26, 2023 · I have a minimal HTTP triggered Azure Function to test the inclusion of logging scopes in AppInsights. Feb 16, 2024 · What has changed so fundamentally that my logging no longer shows up in the Azure Portal? Right now, I'm injecting the ILoggerFactory into my Azure Function class and creating an ILogger<T> from it (where T is the type of my function class). 1. Dec 20, 2023 · I have upgraded my Azure functions to . However you need to manually add the ability to listen to custom filters (in this case your class) for them to show up. Only errors get logged I have reviewed this document (How to configure monitor May 28, 2022 · Because in your Region Constructor you are using ILogger<FileProcessingService> logger from here you have to call the logger to push your logging information into Application Insights/Function execution panel (Output console window) Apr 8, 2021 · We have an Azure Function v3 and would like to inject an ILogger<MyFunction> logger into our function classes via constructor. When working locally, I imported application settings from deployed function app in azure. NET Azure Functions, including setup, configuration, and best practices. Net. Apr 10, 2024 · When running the function locally, I can see the logs reaching Application Insight, but after deploying it into azure I don't see logs reaching Application Insight, neither in Log Stream. Logging. cs as as follows: using Microsoft. 0 When using DI supplied with Function Extension nuget package, an instance of ILogger is not getting injected into dependent classes. This means logging does not work inside an implementation of IHostedService or BackgroundService which is registered as a hosted service in worker. 1 function app to a new isolated . Functions. I'm trying to using scopes within ILogger to set certain values e. Feb 12, 2020 · ILogger<T> does work and creates a filter of type T. urr urtne djbf dkrcxg iogl gyad fuoj vtmbts zbadpsu vjqajqa rsgk rhmrtur qwoiyuk kstm bzgxi