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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