无法使用NLog保存aspnet-sessionid [英] Unable to save aspnet-sessionid using NLog

问题描述

我正在使用Nlog日志记录框架.目前我遇到的问题是无法保存aspnet-sessionid.

I'm working with Nlog logging framework. currently I'm facing issue, that unable to save aspnet-sessionid.

<target xsi:type="File"name="LogFileAppender"fileName="C:\Users\acer\Downloads\test1.txt"
        layout="${longdate} ${aspnet-sessionid} - ${message} "/>

它正在(按布局)保存在目标文件名中，例如

It is saving (as per layout) in target fileName like

2020-05-07 11:16:56.4047-Global.asax.cs:Application_Start():应用程序初始化，开始缓存加载

但是在log4net中，我可以保存aspnet-sessionid

But in log4net I'm able to save aspnet-sessionid

<appender name="LogFileAppender" type="log4net.Appender.RollingFileAppender">
  <lockingModel type="log4net.Appender.FileAppender+MinimalLock"/>
  <file value="C:\Users\acer\Downloads\test1.txt"/>
  <appendToFile value="true"/>
  <rollingStyle value="Date"/>
  <datePattern value="yyyy-MM-dd.log"/>
  <layout type="log4net.Layout.PatternLayout">
    <conversionPattern value="%date %aspnet-session{SessionID} - %message"/>
  </layout>

它将(按照转换模式)保存在目标文件名中，例如

It is saving (as per conversion pattern) in target fileName like

2020-05-06 12:09:49,560 26aef5e9-16-132332207751900447spnet-session {SessionID}-Global.asax.cs:Application_Start():应用程序初始化，开始缓存加载

问题是，使用log4net日志记录框架，我可以保存aspnet-sessionid，但是不能使用NLog框架.欢迎任何帮助.

The problem is, with log4net logging framework I'm able to save aspnet-sessionid but not with NLog framework.Any help is welcome.

谢谢.

推荐答案

仅log4net转换模式是错误的.

It's mistake with log4net Conversion pattern only.

<conversionPattern value="%date %aspnet-session{SessionID} - %message"/>

在此转换模式中，对于log4net中的％aspnet-session {SessionID}，它将仅考虑％a，它将是appdomain转换模式.

In this conversionpattern, for %aspnet-session{SessionID} in log4net it will consider only %a and it will be appdomain conversion pattern.

因此，它在NLog中的作用类似于

So , its in NLog will be like

<target xsi:type="File"name="LogFileAppender"fileName="C:\Users\acer\Downloads\test1.txt"
    layout="${longdate} ${appdomain} - ${message} "/>

因此，它与log4net中aspnet-sessionid的转换模式名称混淆.

So, its confusion with name of conversion pattern for aspnet-sessionid in log4net.

[ https://github.com/NLog/NLog/wiki /AppDomain-Layout-Renderer] 用于appdomain布局渲染器.

[https://github.com/NLog/NLog/wiki/AppDomain-Layout-Renderer] refered for appdomain layout renderer.

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