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From "Stefan Bodewig (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (LOG4NET-202) AdoNetAppenderParameter.Size Property is not optional
Date Tue, 06 Sep 2011 09:16:10 GMT

     [ https://issues.apache.org/jira/browse/LOG4NET-202?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Stefan Bodewig updated LOG4NET-202:
-----------------------------------

    Fix Version/s: 1.2 Maintenance Release

> AdoNetAppenderParameter.Size Property is not optional
> -----------------------------------------------------
>
>                 Key: LOG4NET-202
>                 URL: https://issues.apache.org/jira/browse/LOG4NET-202
>             Project: Log4net
>          Issue Type: Bug
>          Components: Documentation
>    Affects Versions: 1.2.10
>         Environment: Windows Server 2008, .NET 3.5 SP1, SQL Server 2008
>            Reporter: Richard Dingwall
>             Fix For: 1.2 Maintenance Release
>
>   Original Estimate: 0.5h
>  Remaining Estimate: 0.5h
>
> The AdoNetAppenderParameter.Size page (http://logging.apache.org/log4net/release/sdk/log4net.Appender.AdoNetAppenderParameter.Size.html)
says "This property is optional. If not specified the ADO.NET provider will attempt to infer
the size from the value."
> However, I just got the following exception in the log4net internal debug trace, with
the following parameter (maps to a VARCHAR(MAX)):
> <parameter>
>       <parameterName value="@exception" />
>       <dbType value="String" />
>       <layout type="log4net.Layout.ExceptionLayout" />
> </parameter>
> log4net:ERROR [AdoNetAppender] Could not prepare database command [INSERT INTO ....]
> System.InvalidOperationException: SqlCommand.Prepare method requires all variable length
parameters to have an explicitly set non-zero Size.
>    at System.Data.SqlClient.SqlParameter.Prepare(SqlCommand cmd)
>    at System.Data.SqlClient.SqlCommand.Prepare()
>    at log4net.Appender.AdoNetAppender.InitializeDatabaseCommand()
> This would suggest the Size parameter cannot be null.

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