How to inject Log4net logging in .net core 3.1 app

Question

I am using .net core 3.1 app. I would like to configure log4net loggigng mechanism properly. I did it before with .net framework. Can someone let me know what is the best approach?

Thank you in advance.

You can use this adapter BUT you should probably use a newer logging framework like Serilog or NLog. You can configure both of them with settings loaded from .NET Core's configuration instead of separate XML configuration files — Panagiotis Kanavos
– Panagiotis Kanavos, Commented Sep 18, 2020 at 11:31
@MarleneHE this question is pretty clear and doesn't depend on the type of application. .NET Core's logging middleware works the same in console, web app and library projects — Panagiotis Kanavos
– Panagiotis Kanavos, Commented Sep 18, 2020 at 11:33

mike · Accepted Answer · 2020-09-18 11:28:29Z

6

I assume you have added log4net to you project with log4net.config file. In this case first you need to install package Microsoft.Extensions.Logging.Log4Net.AspNetCore. Next thing is to configure it in the middleware into the startup configure:

public void Configure(IApplicationBuilder app, IWebHostEnvironment env, ILoggerFactory loggerFactory)
{
       loggerFactory.AddLog4Net();
}

If you have any additional questions feel free to ask.

answered Sep 18, 2020 at 11:28

mike

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