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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