The system.diagnostics node needs to go in App.Config. log4net produces quite a 
bit of internal debug messages even if there isn't a problem so you should at 
least be seeing that.




________________________________
From: "Gourlay, Colin" <[EMAIL PROTECTED]>
To: Log4NET User <[email protected]>
Sent: Wednesday, November 12, 2008 7:05:01 AM
Subject: RE: SQL 2005 Database Mirroring Support

 
Hello.
 
When I turn on internal debugging
I get nothing at all.
 
This is a web application (using
Windows authentication) and the user has write permissions to the folder I
created where I wanted the log4net debugging output be rendered to.
 
In case this is significant I  added the following to the web.config file: <add 
key="log4net.Internal.Debug" value="true"/> 
  
And added the following to the logging.config file (the logging information is 
held in a separate config file).  I use ConfigureAndWatch() to pick up the 
changes but just to be sure that it picked up the additions I restarted the web 
site in IIS.
  
    <system.diagnostics>
        <trace autoflush="true">
            <listeners>
                <add 
                    name="textWriterTraceListener" 
                    type="System.Diagnostics.TextWriterTraceListener" 
                    initializeData="C:\tmp\log4net.txt" />
            </listeners>
        </trace>
    </system.diagnostics>
  
  
Any thoughts?
  
Colin
  
  
  
 
 
From:Ron Grabowski
[mailto:[EMAIL PROTECTED] 
Sent: 11 November 2008 22:12
To: Log4NET User
Subject: Re: SQL 2005 Database Mirroring Support
Importance: Low
 
What does log4net report as the error when you turn on
internal debugging?
 

________________________________
 
From:"Gourlay, Colin"
<[EMAIL PROTECTED]>
To: Log4NET User <[email protected]>
Sent: Tuesday, November 11, 2008 11:07:33 AM
Subject: RE: SQL 2005 Database Mirroring Support
Hi Dag.
 
Thanks for your response. 
Unfortunately I am still no further forward on this despite following your
suggestion.  I have included further information if this helps. 
Suggestions/Advice are very much appreciated.
 
Both servers are fully service
packed and are running with 
 
Log4Net  v1.2.10
SQL 2005
.Net 3.5 
 
My log4net configuration is as
follows:
 
<log4net>
                               
<root>
                                               
<level value="DEBUG" />
                                               
<appender-ref ref="LogToSqlServer"/>
                               
</root>
 
                               
<appender name="LogToSqlServer" type="log4net.Appender.AdoNetAppender">
                                                
                                               
<filter type="log4net.Filter.LoggerMatchFilter">
                                                               
<loggerToMatch value="NHibernate" />
                                                               
<acceptOnMatch value="false" />
                                               
</filter>
 
 
                                               
<bufferSize value="0"/>
                                               
<!--<threshold value="DEBUG"/>-->
                                               
<connectionType value="System.Data.SqlClient.SqlConnection,
System.Data, Version=1.0.3300.0, Culture=neutral,
PublicKeyToken=b77a5c561934e089"/>
                                               
<connectionString value="data
source=<SERVER-NAME-IS-HERE>;initial
catalog=<LOGGING-DATABASE-IS-HERE>;integrated security=true;"/>
                                               
<commandText value="EXEC <STORED-PROC-NAME-IS-HERE> @User,
@Logger, @LoggingLevel, @Message"/>
                                               
<parameter>
                                                               
<parameterName value="@User"/>
                                                               
<dbType value="String"/>
                                                               
<size value="255"/>
                                                               
<layout type="log4net.Layout.PatternLayout">
                                                                               
<conversionPattern value="%identity"/>
                                                               
</layout>
                                               
</parameter>
                                               
<parameter>
                                                               
<parameterName value="@Logger"/>
                                                               
<dbType value="String"/>
                                                               
<size value="255"/>
                                                               
<layout type="log4net.Layout.PatternLayout"
value="%logger"/>
                                               
</parameter>
                                               
<parameter>
                                                               
<parameterName value="@LoggingLevel"/>
                                                               
<dbType value="String"/>
                                                               
<size value="50"/>
                                                               
<layout type="log4net.Layout.PatternLayout"
value="%level"/>
                                               
</parameter>
                                               
<parameter>
                                                               
<parameterName value="@Message"/>
                                                               
<dbType value="String"/>
                                                               
<size value="4000"/>
                                                               
<layout type="log4net.Layout.PatternLayout"
value="%message"/>
                                               
</parameter>
                               
</appender>
               
</log4net>
 
From:Dag Christensen
[mailto:[EMAIL PROTECTED] 
Sent: 06 November 2008 13:06
To: Log4NET User
Subject: RE: SQL 2005 Database Mirroring Support
Importance: Low
 
Should be handled transparently if you’re using SqlClient or
native client and a correct connection string. I think log4net uses OLE DB by
default, you might want to try changing this to SqlClient.
 
If it still doesn’t work, try setting your appender’s
ReconnectOnError to true.
 
It would also be helpful if you posted the versions you’re using
(log4net, SQL server 2005 service pack?, .NET framework version and service
pack?) and your log4net configuration.
 
Best wishes,
Dag
 
 
From:Gourlay, Colin
[mailto:[EMAIL PROTECTED] 
Sent: Thursday, November 06, 2008 12:59 PM
To: Log4NET User
Subject: SQL 2005 Database Mirroring Support
 
Does log4net support the database mirroring feature in SQL
2005? 
 
It logs quite happily when logging to our primary database
but when I failover logging ceases to work – in that nothing is logged – when I
failback logging works as before.  The mirroring has been configured
correctly (test has been done to verify this) so I think I can rule this out.
 
Other than the following entry (as per 
http://blogs.technet.com/johnbaker/archive/2005/10/06/412126.aspx)
included in my connection string is there something else required?
 
failover
partner=MyFailoverDatabaseServer
 
Is there anything else I should be considering?
 
Thanks in advance.
 
Colin
 
 
 
 
 

________________________________
 

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