Description
System.Diagnostics.Trace may throw exception if AppDomain does not have config file.
If the AppDomain has been created programmatically it is possible that it does not have a config file set. It has been reported that an exception can be generated on certain platforms in this situation.
The exception is:
System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. --->
System.TypeInitializationException: The type initializer for "D2L.Mail.MailService" threw an exception. --->
System.TypeInitializationException: The type initializer for "log4net.Core.LoggerManager" threw an exception. --->
System.TypeInitializationException: The type initializer for "log4net.Util.LogLog" threw an exception. --->
System.NullReferenceException: Object reference not set to an instance of an object.
at System.Configuration.ConfigurationSettings.GetConfig(String sectionName)
at System.Diagnostics.DiagnosticsConfiguration.GetConfigTable()
at System.Diagnostics.DiagnosticsConfiguration.Initialize()
at System.Diagnostics.DiagnosticsConfiguration.get_IndentSize()
at System.Diagnostics.TraceInternal.InitializeSettings()
at System.Diagnostics.TraceInternal.get_Listeners()
at System.Diagnostics.TraceInternal.WriteLine(String message)
at System.Diagnostics.Trace.WriteLine(String message)
at log4net.Util.LogLog.Error(String message, Exception exception)
at log4net.Util.LogLog..cctor()
— End of inner exception stack trace —
at log4net.Util.LogLog.Debug(String message)
at log4net.Core.LoggerManager..cctor()
— End of inner exception stack trace —
at log4net.Core.LoggerManager.GetLogger(Assembly
repositoryAssembly, String name)
at log4net.LogManager.GetLogger(Type type)
at D2L.Mail.MailService..cctor()
— End of inner exception stack trace —
— End of inner exception stack trace —