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From "David Rankin (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LOG4NET-474) log4net:ERROR [SmtpAppender] ErrorCode: GenericFailure. Error occurred while sending e-mail notification.
Date Thu, 10 Sep 2015 06:11:45 GMT

    [ https://issues.apache.org/jira/browse/LOG4NET-474?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14738237#comment-14738237
] 

David Rankin commented on LOG4NET-474:
--------------------------------------

Hi [~dpsenner@gmail.com]

Sorry, thats not clearn. By wrap, I mean use a using statement c#
using(SmtpClient c = new SmtpClient()) {
//do stuff to send email 

} //dipose

No it did not crash my app in this case, but I did not get the email notification that my
app was down. 



> 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
>   Original Estimate: 0.25h
>  Remaining Estimate: 0.25h
>
> 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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