Friday, December 19, 2014

log4net legacy configuration

just got one legacy app with log4net early version bundled, something wrong and there is no way to see the log . here is the trick

if you use refelctor, you can see the assermbly attribute. [assembly: DOMConfigurator(ConfigFileExtension="log4net", Watch=true)]


then for the config file, should you yourexe.exe.log4net, you can tell from the logic


one sample config

<?xml version="1.0" encoding="utf-8"?>
    <section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler, log4net" />
    <appender name="FileAppender" type="log4net.Appender.FileAppender">
      <file value="logfile.txt" />
      <appendToFile value="true" />
      <layout type="log4net.Layout.PatternLayout">
        <conversionPattern value="%date: %-5level – %message%newline" />
      <level value="INFO" />
      <appender-ref ref="FileAppender" />


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