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03.10.2008 at 11:25PM PDT, ID: 23230933
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9.6

Problems with Log4Net

Asked by fuchangmiao in Microsoft Visual C#.Net, Microsoft Visual Basic.Net

Tags:

Hi, I am trying to get rid of the connectionstring in web.config for log4net, and trying to handle the connectionstring in code. Here is what I got in code snippet.

It was working before my changes, all I did was:

1. put the following in the Application_Start in global.asax.vb
2. got rid of connectionstring in web.config under log4net node

But I cannot get it to work. it saves to the file, but it just wouldn't save to the database.

Any idea?Start Free Trial 
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Sub Application_Start(ByVal sender As Object, ByVal e As EventArgs)
        ' Fires when the application is started
 
      
        Try
                        log4net.Config.DOMConfigurator.Configure()
 
            Dim h As log4net.Repository.Hierarchy.Hierarchy = TryCast(LogManager.GetLoggerRepository(), log4net.Repository.Hierarchy.Hierarchy)
            'get the ADO appender 
            Dim ado As log4net.Appender.ADONetAppender = TryCast(h.Root.GetAppender("CMErrorEmailDBLog"), log4net.Appender.ADONetAppender)
            ado.ConnectionString = "whatever your connection string is"
            ado.ActivateOptions()
 
        Catch nfe As NullReferenceException
            Throw New NullReferenceException("log4net configuration could not be completed. " & Chr(10) & "Do you have your app.config set up properly?", nfe)
        End Try
 
    End Sub
 
<log4net>
    <appender name="CMError" type="log4net.Appender.RollingFileAppender">
      <file value="Logs\\cmdotnet.log"/>
      <appendToFile value="true"/>
      <maximumFileSize value="1024KB"/>
      <maxSizeRollBackups value="5"/>
      <layout type="log4net.Layout.PatternLayout">
        <conversionPattern value="%d [%t]\n%-5p\n%c\n%x\n%m%n\n=============================================\n"/>
      </layout>
    </appender>
 
    <appender name="CMErrorEmail" type="log4net.Appender.SmtpAppender" additivity="false">
      <to value="" />
      <!-- Should be configured to send to admin -->
      <from value="logger@test.com.au" />
      <subject value="Failed!" />
      <smtpHost value="mail.test.com.au" />
      <bufferSize value="256" />
      <lossy value="false" />
      <threshold value="DEBUG" />
      <evaluator type="log4net.Core.LevelEvaluator,log4net">
        <threshold value="ERROR" />
      </evaluator>
      <layout type="log4net.Layout.PatternLayout,log4net">
        <conversionPattern value="%-5p %d [ThreadId: %t] Class:%c{1} Method:%M %nMESSAGE:%n%m%n%n" />
      </layout>
      <level value="ERROR" />
    </appender>
 
    <appender name="CMErrorEmailDBLog" type="log4net.Appender.AdoNetAppender" additivity="false">
      <bufferSize value="1" />
      <connectionType value="System.Data.SqlClient.SqlConnection, System.Data, Version=1.0.3300.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />
      <commandText value="INSERT INTO [dbo].[Log] ([Date],[Thread],[Level],[Logger],[Message],[Exception]) VALUES (@log_date, @thread, @log_level, @logger, @message, @exception)" />
      <parameter>
        <parameterName value="@log_date" />
        <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="@log_level" />
        <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>
      <level value="ERROR" />
    </appender>
 
    <root>
      <level value="INFO"/>
      <appender-ref ref="CMError"/>
      <appender-ref ref="CMErrorEmail"/>
      <appender-ref ref="CMErrorEmailDBLog"/>
    </root>
  </log4net>
[+][-]03.11.2008 at 12:14PM PDT, ID: 21099001

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About this solution

Zones: Microsoft Visual C#.Net, Microsoft Visual Basic.Net
Tags: C#, vb.net
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Solution Provided By: TheLearnedOne
Participating Experts: 1
Solution Grade: B
 
 
[+][-]03.11.2008 at 03:08PM PDT, ID: 21100908

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[+][-]03.11.2008 at 04:32PM PDT, ID: 21101513

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[+][-]03.11.2008 at 10:12PM PDT, ID: 21103201

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