因此,我开始将Serilog与ASP .NET Core 3.1 Web API结合使用,如下所示:
public static void Main(string[] args)
{
CreateHostBuilder(args).Build().Run();
}
public static IHostBuilder CreateHostBuilder(string[] args) =>
Host.CreateDefaultBuilder(args).ConfigureWebHostDefaults(webBuilder =>
{
webBuilder.UseStartup<Startup>()
.UseSerilog((hostingContext, loggerConfiguration) =>
loggerConfiguration.ReadFrom.Configuration(hostingContext.Configuration));
});
但是,无论我在何处调用Log.Debug("Write this")
之类的内容,创建日志文件,但没有写入任何内容。我尝试使用不同的路径来避免任何形式的书面凭证问题,但无济于事。另外,尽管也设置了控制台日志,但我在Visual Studio的“输出”窗口中看不到任何内容。这是我在appSettings.json中写的内容:
"Serilog": {
"MinimumLevel": {
"Default": "Debug"
},
"WriteTo": [
{
"Name": "Console"
},
{
"Name": "File",
"Args": {
"path": "log.txt",
"rollingInterval": "Day",
"retainedFileCountLimit": 7,
"buffered": true
}
}
]
},
我想念什么吗?
答案 0 :(得分:-1)
更新:下面的OP edited the question after my answer,并删除了我所指出的代码部分。
在上面的示例中,您是在App刚开始时就写Serilog的,甚至还没有配置Serilog,因此您的消息就被丢弃了。
要执行所需的操作,您需要先设置Serilog。
在Serilog.AspNetCore存储库中跟随EarlyInitializationSample
,看它是如何完成的,看起来像这样:
using System;
using System.IO;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Hosting;
using Serilog;
namespace EarlyInitializationSample
{
public class Program
{
public static IConfiguration Configuration { get; } = new ConfigurationBuilder()
.SetBasePath(Directory.GetCurrentDirectory())
.AddJsonFile("appsettings.json", optional: false, reloadOnChange: true)
.AddJsonFile($"appsettings.{Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT") ?? "Production"}.json", optional: true)
.AddEnvironmentVariables()
.Build();
public static int Main(string[] args)
{
Log.Logger = new LoggerConfiguration()
.ReadFrom.Configuration(Configuration)
.Enrich.FromLogContext()
.WriteTo.Debug()
.WriteTo.Console(
outputTemplate: "[{Timestamp:HH:mm:ss} {Level:u3}] {Message:lj} {Properties:j}{NewLine}{Exception}")
.CreateLogger();
try
{
Log.Information("Getting the motors running...");
CreateHostBuilder(args).Build().Run();
return 0;
}
catch (Exception ex)
{
Log.Fatal(ex, "Host terminated unexpectedly");
return 1;
}
finally
{
Log.CloseAndFlush();
}
}
public static IHostBuilder CreateHostBuilder(string[] args) =>
Host.CreateDefaultBuilder(args)
.ConfigureWebHostDefaults(webBuilder =>
{
webBuilder.UseStartup<Startup>();
})
.UseSerilog();
}
}
Debugging and Diagnostics
当Serilog出现异常时,可能是内部异常或配置问题引起的。 Here are a couple of ways to sort things out。