[英]Unable to call custom appender for Log4Net in .Net Core API
Here is my code. 这是我的代码。 I am using only Microsoft.Extensions.Logging.Log4Net.AspNetCore reference I am getting following exception in debug window.
我只使用Microsoft.Extensions.Logging.Log4Net.AspNetCore引用我在调试窗口中遇到异常。 can you please guide me in setting up log4net config file.
你能指导我设置log4net配置文件吗?
log4net: configuring repository [log4net-default-repository] using XML element
log4net: Configuring Repository [log4net-default-repository]
log4net: Configuration update mode [Merge].
log4net: Logger [root] Level string is [Error].
log4net: Logger [root] level set to [name="ERROR",value=70000].
log4net: Loading Appender [AuditAppender] type: [Logger.Log4NetAuditAppender]
log4net:ERROR Could not create Appender [AuditAppender] of type [Logger.Log4NetAuditAppender]. Reported error follows.
System.TypeLoadException: Could not load type 'Logger.Log4NetAuditAppender' from assembly 'log4net, Version=2.0.8.0, Culture=neutral, PublicKeyToken=669e0ddf0bb1aa2a'.
at System.Reflection.RuntimeAssembly.GetType(RuntimeAssembly assembly, String name, Boolean throwOnError, Boolean ignoreCase, ObjectHandleOnStack type, ObjectHandleOnStack keepAlive)
at System.Reflection.RuntimeAssembly.GetType(String name, Boolean throwOnError, Boolean ignoreCase)
at log4net.Repository.Hierarchy.XmlHierarchyConfigurator.ParseAppender(XmlElement appenderElement)
log4net:ERROR Appender named [AuditAppender] not found.
Startup.cs Startup.cs
public void ConfigureServices(IServiceCollection services)
{
services.AddMvc().SetCompatibilityVersion(CompatibilityVersion.Version_2_1);
services.AddLogging(builder => builder.AddLog4Net("log4net.config"));
}
public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory loggerFactory)
{
loggerFactory.AddLog4Net();
app.UseMvc();
}
my log4.net config 我的log4.net配置
<?xml version="1.0" encoding="utf-8"?>
<log4net debug="true">
<root>
<level value="Error" />
<appender-ref ref="AuditAppender" />
</root>
<appender name="AuditAppender" type="Logger.Log4NetAuditAppender,Logger">
</appender>
</log4net>
my custom appender 我的自定义appender
public class Log4NetAuditAppender : AppenderSkeleton
{
public Log4NetAuditAppender(){
}
protected override void Append(LoggingEvent loggingEvent)
{
Console.WriteLine("coming inside");
}
}
}
my controller 我的控制器
[Route("api/[controller]")]
[ApiController]
public class ValuesController : ControllerBase
{
private ILogger<ValuesController> _logger;
public ValuesController(ILogger<ValuesController> logger) { _logger = logger;}
[HttpGet("{id}")]
public ActionResult<string> Get(int id)
{
_logger.LogInformation("test", null);
return "value";
}
I had same issue, After adding Assembly name after full class name in appender tag, it got resolved. 我有同样的问题,在appender标签中的完整类名后添加程序集名称后,它得到了解决。
<appender name="AuditAppender" type="Logger.Log4NetAuditAppender,Logger">
Just replace ",Logger" with , and it should work. 只需将“,Logger”替换为,它应该可以工作。
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