LOG4NET无法创建Appender

LOG4NET无法创建Appender,log4net,log4net-configuration,log4net-appender,Log4net,Log4net Configuration,Log4net Appender,我最近将一个应用程序迁移到了一个新的服务器(Windows2008ServerR2、SQLServer2008R2、Poweshell),除了在尝试登录到数据库时出错外,其他一切都正常 log4net:ERROR XmlHierarchyConfigurator: Could not create Appender [ADONetAppender] of type [log4net.Appender.ADONetAppender]. Reported error follows. System.

我最近将一个应用程序迁移到了一个新的服务器(Windows2008ServerR2、SQLServer2008R2、Poweshell),除了在尝试登录到数据库时出错外,其他一切都正常

log4net:ERROR XmlHierarchyConfigurator: Could not create Appender [ADONetAppender] of type [log4net.Appender.ADONetAppender]. Reported error follows.
System.ArgumentNullException: CreateConverterInstance cannot create instance, converterType is null
Parameter name: converterType
   at log4net.Util.TypeConverters.ConverterRegistry.CreateConverterInstance(Type converterType)
   at log4net.Util.TypeConverters.ConverterRegistry.GetConverterFromAttribute(Type destinationType)
   at log4net.Util.TypeConverters.ConverterRegistry.GetConvertFrom(Type destinationType)
   at log4net.Util.OptionConverter.CanConvertTypeTo(Type sourceType, Type targetType)
   at log4net.Repository.Hierarchy.XmlHierarchyConfigurator.CreateObjectFromXml(XmlElement element, Type defaultTargetType, Type typeConstraint)
   at log4net.Repository.Hierarchy.XmlHierarchyConfigurator.SetParameter(XmlElement element, Object target)
   at log4net.Repository.Hierarchy.XmlHierarchyConfigurator.CreateObjectFromXml(XmlElement element, Type defaultTargetType, Type typeConstraint)
   at log4net.Repository.Hierarchy.XmlHierarchyConfigurator.SetParameter(XmlElement element, Object target)
   at log4net.Repository.Hierarchy.XmlHierarchyConfigurator.ParseAppender(XmlElement appenderElement)
log4net:ERROR XmlHierarchyConfigurator: Appender named [ADONetAppender] not found.
我尝试将缓冲区大小减少到1,并检查了连接字符串,但似乎不是这样

如有任何帮助或建议,将不胜感激。
我试着在谷歌上搜索答案,但没有找到任何答案。

问题似乎是您的解决方案的输出目录中缺少带有ADONetAppender的dll。确保Dll在那里,以便您可以在配置中使用它。

我也遇到了这个问题,最后我修复了它。解决方案是,
ADONetAppender
类应该有一个默认构造函数

我确信发生此错误,
无法创建Appender
,因为它没有默认构造函数