How do I configure log4net so that log.IsDebugEnabled is true?

Question

I am trying to use log4net in an ASP.NET application with Visual Studio 2005. I have declared an instance of the logger like so:

Private Shared ReadOnly log As ILog = LogManager.GetLogger("") 

I am trying to use it in the following manner:

If log.IsDebugEnabled Then    log.Debug("Integration Services Constructed") End If 

Here is my configuration:

<log4net>      <root>         <level value="DEBUG" />         <appender-ref ref="RollingFileAppender" />     </root>      <appender name="RollingFileAppender" type="log4net.Appender.RollingFileAppender">         <file value="..\\logs\\logfile.log"/>         <appendToFile value="true"/>         <rollingStyle value="Size"/>         <maxSizeRollBackups value="10"/>         <maximumFileSize value="1MB"/>         <staticLogFileName value="true"/>         <layout type="log4net.Layout.PatternLayout">             <conversionPattern value="%date [%thread] %-5level %logger [%property{NDC}] - %message%newline"/>         </layout>         <filter type="log4net.Filter.LevelRangeFilter">             <param name="LevelMin" value="DEBUG" />             <param name="LevelMax" value="FATAL" />         </filter>     </appender>  </log4net> 

Unfortunately, log.IsDebugEnabled is always false.
How do I configure log4net so that I can log only debug messages?

Answer 1

Before calling LogManager.GetLogger("")

You have to call log4net.Config.XmlConfigurator.Configure(); In an ASP.NET app you probably want to put this call in Application_Start