Question

我的bin目录中有以下文件Log4net.config：

<?xml version="1.0" encoding="utf-8" ?>
<log4net xmlns="urn:log4net">
    <appender name="FileAppender" type="log4net.Appender.FileAppender">
        <param name="file" value="MyLogFile.log"/>
        <param name="appendToFile" value="false"/>
        <layout type="log4net.Layout.PatternLayout">
            <param name="ConversionPattern" value="%date (%logger) [%5level] - %message" />
        </layout>
    </appender>
    <appender name="ConsoleAppender" type="log4net.Appender.ConsoleAppender">
        <layout type="log4net.Layout.PatternLayout">
            <param name="ConversionPattern" value="%date (%logger) [%5level] - %message" />
        </layout>
    </appender>
    <root>
        <level value="DEBUG" />
        <appender-ref ref="FileAppender" />
        <appender-ref ref="ConsoleAppender"/>
    </root>
    <logger name="NHibernate" additivity="false">
        <level value="WARN"/>
    </logger>
</log4net>

以下代码在我的AssemblyInfo.cs文件中：

using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;

[assembly: AssemblyVersion("1.0.0.0")]
[assembly: AssemblyTitle("My Project")]
[assembly: log4net.Config.XmlConfigurator(ConfigFile = "Log4net.config", Watch = true)]

当我运行程序时，我得到以下log4net调试输出：

log4net: log4net assembly [log4net, Version=1.2.10.0, Culture=neutral, PublicKeyToken=1b44e1d426115821]. Loaded from [D:\Data\Projects\Active\Clients\MyProject\src\MyProject.Importer\bin\Debug\log4net.dll]. (.NET Runtime [4.0.30319.1] on Microsoft Windows NT 6.1.7600.0)
log4net: DefaultRepositorySelector: defaultRepositoryType [log4net.Repository.Hierarchy.Hierarchy]
log4net: DefaultRepositorySelector: Creating repository for assembly [MyCompany.Framework, Version=2.1.72.0, Culture=neutral, PublicKeyToken=null]
log4net: DefaultRepositorySelector: Assembly [MyCompany.Framework, Version=2.1.72.0, Culture=neutral, PublicKeyToken=null] Loaded From [D:\Data\Projects\Active\Clients\MyProject\src\MyProject.Importer\bin\Debug\MyCompany.Framework.dll]
log4net: DefaultRepositorySelector: Assembly [MyCompany.Framework, Version=2.1.72.0, Culture=neutral, PublicKeyToken=null] does not have a RepositoryAttribute specified.
log4net: DefaultRepositorySelector: Assembly [MyCompany.Framework, Version=2.1.72.0, Culture=neutral, PublicKeyToken=null] using repository [log4net-default-repository] and repository type [log4net.Repository.Hierarchy.Hierarchy]
log4net: DefaultRepositorySelector: Creating repository [log4net-default-repository] using type [log4net.Repository.Hierarchy.Hierarchy]
The thread 'vshost.RunParkingWindow' (0xd30) has exited with code 0 (0x0).
The thread '<No Name>' (0x15d0) has exited with code 0 (0x0).
log4net: Hierarchy: Shutdown called on Hierarchy [log4net-default-repository]

Log4net加载，但似乎没有处理我的配置文件。当我在AssemblyInfo.cs中注释掉该属性并在程序初始化期间运行以下代码时，它按预期工作：

var log4netConfig = "Log4net.config";
var log4netInfo = new FileInfo(log4netConfig);
log4net.Config.XmlConfigurator.ConfigureAndWatch(log4netInfo);

我做错了什么？我想从AssemblyInfo.cs加载。

Answer 1

我也遇到了这种提升log4net的方法。 documentation表示您必须在应用程序启动时尽早拨打电话

如果使用配置属性，则必须调用log4net以允许它读取属性。对LogManager.GetLogger的简单调用将导致读取和处理调用程序集上的属性。 因此，必须在应用程序启动期间尽早进行日志记录调用，当然在加载和调用任何外部程序集之前。

尝试将记录器放在启动应用程序的同一个类中（program.cs，app.xaml，等等）。例如

private static readonly ILog Log = LogManager.GetLogger(typeof(Program));

对于踢，任何对日志的调用（即使是在追加过程中被过滤或评估的日志，它也应该强制log4net来评估你的存储库/层次结构）。

static Program()
{
    Log.Debug("Application loaded.");
}

Answer 2

最后我找到了简单的解决方案，你可以在那里得到帮助

启动功能中的Global.asax

 protected void Application_Start()
 {
   log4net.Config.XmlConfigurator.Configure();
 }

在任何使用类级别日志记录的类

添加名称空间

using log4net;

在班级

private static readonly ILog log = LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);

在任何动作调用中使用日志功能
```
log.Error("test error q111..");
```

构造

<configuration>
<configSections>
<section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler, log4net " />
</configSection>
<log4net debug="true">

<!--AdoNet appender is use for write log file into sql server-->
<appender name="AdoNetAppender" type="log4net.Appender.AdoNetAppender">
  <bufferSize value="1" />
  <connectionType value="System.Data.SqlClient.SqlConnection, System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />
  <connectionString value="Data Source=DESKTOP-NLH31FH; Initial Catalog=SmallBizDb;Integrated Security=true" providerName="System.Data.SqlClient" />
  <commandText value="INSERT INTO [dbo].[Logs] ([Date],[Thread],[Level],[Logger],[Message],[Exception]) VALUES (@logdate,@thread, @loglevel, @logger, @message, @exception)" />
  <parameter>
    <parameterName value="@logdate" />
    <dbType value="DateTime" />
    <layout type="log4net.Layout.RawTimeStampLayout" />
  </parameter>
  <parameter>
    <parameterName value="@thread" />
    <dbType value="String" />
    <size value="255" />
    <layout type="log4net.Layout.PatternLayout">
      <conversionPattern value="%thread" />
    </layout>
  </parameter>
  <parameter>
    <parameterName value="@loglevel" />
    <dbType value="String" />
    <size value="50" />
    <layout type="log4net.Layout.PatternLayout">
      <conversionPattern value="%level" />
    </layout>
  </parameter>
  <parameter>
    <parameterName value="@logger" />
    <dbType value="String" />
    <size value="255" />
    <layout type="log4net.Layout.PatternLayout">
      <conversionPattern value="%logger" />
    </layout>
  </parameter>
  <parameter>
    <parameterName value="@message" />
    <dbType value="String" />
    <size value="4000" />
    <layout type="log4net.Layout.PatternLayout">
      <conversionPattern value="%message" />
    </layout>
  </parameter>
  <parameter>
    <parameterName value="@exception" />
    <dbType value="String" />
    <size value="2000" />
    <layout type="log4net.Layout.ExceptionLayout" />
  </parameter>
</appender>
<!--Add appender which you want to use, You can add more then one appender . Like if you want save log both plain text or sql server ,Add both appender.-->

<root>
  <level value="Debug" />
  <!--<appender-ref ref="RollingLogFileAppender" />-->
  <!--Enable this line if you want write log file into plain text file-->
  <appender-ref ref="AdoNetAppender" />
  <!--Enable this line if you want write log file into sql server-->

</root>

</log4net>

<appSettings>
<add key="log4net.Internal.Debug" value="true"/>
</appSettings>
</configuration>

它可能对所有人都有帮助并且易于使用。感谢

Answer 3

我确实将log4net.Config.XmlConfigurator.Configure(new FileInfo(Server.MapPath("~/Web.config")));保留在Application_Start（）内的Global.asax.cs中......所以我不需要在所有地方都执行命令。

Answer 4

我通过将RepositoryAttribute添加到有问题的程序集的AssemblyInfo.cs文件来修复此问题。

/usr/local/Cellar/python/2.7.9

Answer 5

我正在使用Web.Config部分配置Logger并手动记录事件，从global.asax引导记录器

static ILog logger = LogManager.GetLogger(<LoggerName>);

protected void Application_Start()
{
   log4net.Config.XmlConfigurator.Configure(); 
}

尝试从global.asax

引导它

Answer 6

我正在将log4Net与Windows服务一起使用。我尝试了其他答案中提到的所有可能选项。

对我来说，该服务的另一个实例仍然有效，我不得不从任务管理器中删除它。此后，问题已解决。

Answer 7

var log4NetPath = Server.MapPath("~/log4net.config");

FileInfo fileInfo = new FileInfo(log4NetPath);

XmlConfigurator.ConfigureAndWatch(fileInfo);

程序集属性中的Log4net配置不会加载配置文件

7 个答案: