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我有一个azure worker角色,我已将其配置为使用log4net Trace Appender写入WindowsAzure.Diagnostics.这是通过在worker角色的RoleEntryPoint中进行以下调用来完成的.

using System;
using Microsoft.WindowsAzure.Diagnostics;
using log4net.Config;

namespace XXX
{
    public class WorkerRole : RoleEntryPoint
    {
        public override bool OnStart()
        {
            var config = DiagnosticMonitor.GetDefaultInitialConfiguration();

            config.Logs.ScheduledTransferLogLevelFilter = LogLevel.Warning;
            config.Logs.ScheduledTransferPeriod = TimeSpan.FromMinutes(5);

            config.WindowsEventLog.DataSources.Add("System!*");
            config.WindowsEventLog.DataSources.Add("Application!*");
            config.WindowsEventLog.ScheduledTransferLogLevelFilter = LogLevel.Error;
            config.WindowsEventLog.ScheduledTransferPeriod = TimeSpan.FromMinutes(5);

            DiagnosticMonitor.Start("Microsoft.WindowsAzure.Plugins.Diagnostics.ConnectionString", config);

        XmlConfigurator.Configure();
        }
    }
}

App.config文件按以下方式配置:

<log4net>
    <appender name="TraceAppender" type="log4net.Appender.TraceAppender">
        <layout type="log4net.Layout.PatternLayout">
            <conversionPattern value="%logger - %message" />
        </layout>
    </appender>
    <root>
        <level value="ALL" />
        <appender-ref ref="TraceAppender" />
    </root>
</log4net>

<system.diagnostics>
    <trace>
        <listeners>
            <add type="Microsoft.WindowsAzure.Diagnostics.DiagnosticMonitorTraceListener, Microsoft.WindowsAzure.Diagnostics, Version=1.7.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" …