I can see that nlog works because my log file is getting bigger but only some stuff is logged like app is starting, route is change and similar.
However, whereever I put logger.LogCritical or some other custom log method it does not work.
I am using ASP.NET COre 3.1 and latest NLog.
Here is my startup code:
public static IHostBuilder CreateHostBuilder( string[] args ) =>
Host.CreateDefaultBuilder( args )
.ConfigureWebHostDefaults( webBuilder =>
{
webBuilder.UseStartup<Startup>();
} )
.ConfigureLogging( logging =>
{
logging.ClearProviders();
logging.SetMinimumLevel( Microsoft.Extensions.Logging.LogLevel.Trace );
logging.AddNLog( "nlog.config" );
} );
And nlog.config:
<?xml version="1.0" encoding="utf-8" ?>
<nlog xmlns="http://www.nlog-project.org/schemas/NLog.xsd"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
autoReload="true"
internalLogLevel="Info"
internalLogFile="c:\temp\internal-nlog.txt">
<!-- enable asp.net core layout renderers -->
<extensions>
<add assembly="NLog.Web.AspNetCore"/>
</extensions>
<!-- the targets to write to -->
<targets>
<!-- write logs to file -->
<target xsi:type="File" name="allfile" fileName="c:\temp\nlog-all-${shortdate}.log"
layout="${longdate}|${event-properties:item=EventId_Id}|${uppercase:${level}}|${logger}|${message} ${exception:format=tostring}" />
<!-- another file log, only own logs. Uses some ASP.NET core renderers -->
<target xsi:type="File" name="ownFile-web" fileName="c:\temp\nlog-own-${shortdate}.log"
layout="${longdate}|${event-properties:item=EventId_Id}|${uppercase:${level}}|${logger}|${message} ${exception:format=tostring}|url: ${aspnet-request-url}|action: ${aspnet-mvc-action}" />
</targets>
<!-- rules to map from logger name to target -->
<rules>
<!--All logs, including from Microsoft-->
<logger name="*" minlevel="Trace" writeTo="allfile" />
<!--Skip non-critical Microsoft logs and so log only own logs-->
<logger name="Microsoft.*" maxlevel="Info" final="true" /> <!-- BlackHole without writeTo -->
<logger name="*" minlevel="Trace" writeTo="ownFile-web" />
</rules>
</nlog>
I use it like this in controller:
logger.LogInformation( "test critical IN CONTROLLER" );
And here it is how it is injected into contructor:
public AuthController( IMediator mediator, ILogger<AuthController> logger )
{
this.mediator = mediator;
this.logger = logger;
}
but there is no log. Even not in log-all.txt file which will log everything regardless of trace level
Here is my appsettings.json
"Logging": {
"IncludeScopes": false,
"LogLevel": {
"Default": "Trace",
"Microsoft": "Warning",
"Microsoft.Hosting.Lifetime": "Information"
}
},
