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From "Venkatasamy, Vanitha" <Vanitha.Venkatas...@xpandcorp.com>
Subject How to do configuration in assembly.cs file for log4net implementation?
Date Wed, 17 Aug 2011 14:04:27 GMT
I am trying to implement the log4net. In my project ,i am referring a dll project,which has
the log4net implementation and i am calling the dll from from my asp number.

  The call is successful from asp to dll method and the logger is created just fine.

    private static readonly ILog log = LogManager.GetLogger(typeof(ErrorLogging).Name);

But the problem is the logger is not enabled. I mean IsErrorEnabled/IsDebugEnabled are false.

The confusing part to me is assembly.cs,in which the place where we mention the

    [assembly: log4net.Config.XmlConfigurator(ConfigFileExtension = "log4net", Watch = true)]
    // This will cause log4net to look for a configuration file
    // called TestApp.exe.log4net in the application base
    // directory (i.e. the directory containing TestApp.exe)
    // The config file will be watched for changes.

So ,do i need to create a file with .log4net extension ,if so i tried and its not working.
And not working from my web.config also.

Please see my web.config code

    <log4net debug="true">
    <appender name="EventLogAppender" type="log4net.Appender.EventLogAppender">
      <param name="LogName" value="PortalWebLog" />
      <param name="ApplicationName" value="Portal" />
      <eventId value="6" />
      <eventCategory value="10" />
      <layout type="log4net.Layout.PatternLayout">
        <conversionPattern value="%date [%thread] %-5level %logger [%property{NDC}] - %message%newline"
      <priority value="DEBUG" />

      <appender-ref ref="EventLogAppender" />

    <section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler, log4net"/>

And the dll method ,where i am accesing the log

            log4net.ThreadContext.Properties["EventID"] = 6;

            String tempdata=string.Empty;

            if (!System.Diagnostics.EventLog.SourceExists(sourceName))
                tempdata = sourceName + logName + objErr + strBotListPath;
                System.Diagnostics.EventLog.CreateEventSource(sourceName, logName);
                if (log.IsDebugEnabled)
                    log.Debug("This is a DEBUG level message. The most VERBOSE level.");
                    log.Info("Extended information, with higher importance than the Debug
                    log.Warn("An unexpected but recoverable situation occurred");
                    tempdata = "Source already exits";
                    tempdata = "Source already exits,but debug not enabled";

After removing the below line

   [assembly: log4net.Config.XmlConfigurator(ConfigFileExtension = "log4net", Watch = true)],

and by placing the log4net.config in C:\windows\system32\inetsrv,the error log is enabled
and changing the line,
     log4net.Config.XmlConfigurator.ConfigureAndWatch(new FileInfo(AppDomain.CurrentDomain.SetupInformation.ApplicationBase+"log4net.config"));

The IsDebugEnabled is true but  i am not seeing any errors in the eventLog and its empty

DEV Environment :Windows 2003 ,log4net for .Net framework2.0 []

Vanitha Venkatasamy
XPAND Corporation.

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