[jira] [Created] (LOG4NET-474) log4net:ERROR [SmtpAppender] ErrorCode: GenericFailure. Error occurred while sending e-mail notification.

["David Rankin (JIRA)" <ji...@apache.org>]

David Rankin created LOG4NET-474:
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             Summary: log4net:ERROR [SmtpAppender] ErrorCode: GenericFailure. Error occurred while sending e-mail notification.
                 Key: LOG4NET-474
                 URL: https://issues.apache.org/jira/browse/LOG4NET-474
             Project: Log4net
          Issue Type: Bug
          Components: Core
         Environment: Microsoft Windows Server 2012, Running in part of windows service.
            Reporter: David Rankin


Error happens when trying to send emails.

I have checked github source here to try help with this problem.
https://github.com/apache/log4net/blob/782e8267dc44a3db5e0b095c91c1de76a37a9e9b/src/log4net/Appender/SmtpAppender.cs

If you wrap the SmtpClient (on Line 394 ) It should probably fix this issue. Thats just from my experience. Please let me know if you need anthing else?

Please see the error log from my debug console.

log4net:ERROR [SmtpAppender] ErrorCode: GenericFailure. Error occurred while sending e-mail notification.
System.Net.Mail.SmtpException: Failure sending mail. ---> System.IO.IOException: Unable to read data from the transport connection: net_io_connectionclosed.
   at System.Net.Mail.SmtpReplyReaderFactory.ProcessRead(Byte[] buffer, Int32 offset, Int32 read, Boolean readLine)
   at System.Net.Mail.SmtpReplyReaderFactory.ReadLines(SmtpReplyReader caller, Boolean oneLine)
   at System.Net.Mail.SmtpReplyReaderFactory.ReadLine(SmtpReplyReader caller)
   at System.Net.Mail.CheckCommand.Send(SmtpConnection conn, String& response)
   at System.Net.Mail.MailCommand.Send(SmtpConnection conn, Byte[] command, MailAddress from, Boolean allowUnicode)
   at System.Net.Mail.SmtpTransport.SendMail(MailAddress sender, MailAddressCollection recipients, String deliveryNotify, Boolean allowUnicode, SmtpFailedRecipientException& exception)
   at System.Net.Mail.SmtpClient.Send(MailMessage message)
   --- End of inner exception stack trace ---
   at System.Net.Mail.SmtpClient.Send(MailMessage message)
   at log4net.Appender.SmtpAppender.SendEmail(String messageBody)
   at log4net.Appender.SmtpAppender.SendBuffer(LoggingEvent[] events)



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