Hello!

On Thu, Aug 13, 2020 at 12:11:54PM -0400, vergil wrote:

> Maxim Dounin Wrote:
> -------------------------------------------------------
> > Hello!
> >
> > On Thu, Aug 13, 2020 at 11:39:36AM -0400, vergil wrote:
> >
> > > This one was hard to catch.
> > >
> > > I've captured one error with 30 seconds delta before and after the
> > event.
> > > Where can i attach log file for you? There's 400K messages, so i
> > cannot
> > > simple put it here.
> >
> > Attaching the log to the message into the mailing list should
> > work, but I'm not sure it's supported by the (obsolete) forum
> > interface you are using. If not, you may put the log at a
> > convinient place and provide a link here, or attach it to a
> > ticket on trac.nginx.org, or email to me privetely.
>
> I've attached log file to our S3 public storage. You can download it through
> this link:
> https://drive-public-eu.s3.eu-central-1.amazonaws.com/nginx/nginx-debug.csv
>
> A note: this is a CSV format from our logging system. I can try to extract
> logs in original format if you need.

Thanks, but this doesn't seem to contain anything related to the
SSL_shutdown() except the message itself:

"2020-08-13T15:19:03.279Z","7","shmtx lock",
"2020-08-13T15:19:03.279Z","7","shmtx lock",
"2020-08-13T15:19:03.279Z","7","timer delta: 0",
"2020-08-13T15:19:03.280Z","2","SSL_shutdown() failed (SSL: error:1409F07F:SSL routines:ssl3_write_pending:bad write retry) while closing request, client: XXX.XXX.XXX.XXX, server: XXX.XXX.XXX.XXX:443","9140"
"2020-08-13T15:19:03.280Z","7","epoll: fd:322 ev:0005 d:00007F0A0FCDDEB0",
"2020-08-13T15:19:03.280Z","7","epoll: fd:54 ev:0004 d:00007F0A0FCDFAC9",

And nothing else in the log saying "SSL_shutdow()", while there
should be a debug messages like "SSL_shutdown: -1" and
"SSL_get_error: ..." right before the message, and nothing at all
related to the connection 9140.

It looks like the debug logging is only enabled on the global
level, but disabled at http or server level. Please see the part
starting at "Note that redefining the log without also specifying
the debug level will disable the debugging log" in the "A
debugging log" article
(http://nginx.org/en/docs/debugging_log.html).

--
Maxim Dounin
http://mdounin.ru/
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