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https://issues.apache.org/jira/browse/LOG4NET-628?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17195220#comment-17195220
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Davyd McColl commented on LOG4NET-628:
--------------------------------------

Needs more info please:
- .net platform & version (framework? standard? core?)
- log4net version

Please try updating to 2.0.10 to see if your problem still persists.

> Log4net : WARN Exception while disposing cached connection object
> -----------------------------------------------------------------
>
>                 Key: LOG4NET-628
>                 URL: https://issues.apache.org/jira/browse/LOG4NET-628
>             Project: Log4net
>          Issue Type: Bug
>          Components: Appenders
>            Reporter: Pramod Jaiswal
>            Priority: Critical
>
> Dear Community Members,
> We are using log4net component in one of the C# project. When application is 
> about to finish, suddenly below error message popups on the application 
> console-
>  
> System.InvalidOperationException: Internal .Net Framework Data Provider error 
> 1.
>     at System.Data.ProviderBase.DbConnectionInternal.PrePush(Object 
> expectedOwner
> )   at 
> System.Data.ProviderBase.DbConnectionPool.PutObject(DbConnectionInternal o
> bj, Object owningObject)
>    at 
> System.Data.ProviderBase.DbConnectionInternal.CloseConnection(DbConnection
> owningObject, DbConnectionFactory connectionFactory)
>    at System.Data.SqlClient.SqlConnection.CloseInnerConnection()
>    at System.Data.SqlClient.SqlConnection.Close()
>   at log4net.Appender.AdoNetAppender.DiposeConnection()
> log4net:WARN Exception while disposing cached connection object
> System.InvalidOperationException: Internal .Net Framework Data Provider error 
> 1.
>     at System.Data.ProviderBase.DbConnectionInternal.PrePush(Object 
> expectedOwner
> )   at 
> System.Data.ProviderBase.DbConnectionPool.PutObject(DbConnectionInternal o
> bj, Object owningObject)
>    at 
> System.Data.ProviderBase.DbConnectionInternal.CloseConnection(DbConnection
> owningObject, DbConnectionFactory connectionFactory)
>    at System.Data.SqlClient.SqlConnection.CloseInnerConnection()
>    at System.Data.SqlClient.SqlConnection.Close()
>    *at log4net.Appender.AdoNetAppender.DiposeConnection()*
>  
> Could you please let me know why this error message is coming and how to 
> avoid this error message on console screen as this issue is coming on PROD 
> environment and our client has escalated this issue.
>  
> Thanks in advance for providing the solution.



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