Ertan Küçükoğlu schrieb am 27.01.2017 um 11:23:
> I read a FATAL marked line in postgresql log file at exact same second:
> 2017-01-27 12:47:41 +03 FATAL: failed to set up event for socket: error
> code 10038
>
> Application is self-closing upon receiving such error. I instantly re-run it
> (to continue my code tests) and sometimes it is 3-4 times until I can get my
> application running.
>
> I am using latest version of Devart Universal Database Access Components
> (UniDAC) for performing database operations. As far as I know, these
> components make direct connection to PostgreSQL. Nothing in between like
> ODBC or anything. If that is relevant.
>
> When I was investigating my problem, I also read following lines in the
> postgresql log file:
> 2017-01-27 12:22:34 +03 LOG: using stale statistics instead of current ones
> because stats collector is not responding
> 2017-01-27 12:27:35 +03 LOG: using stale statistics instead of current ones
> because stats collector is not responding
> 2017-01-27 12:29:51 +03 LOG: using stale statistics instead of current ones
> because stats collector is not responding
> 2017-01-27 12:30:51 +03 LOG: using stale statistics instead of current ones
> because stats collector is not responding
> 2017-01-27 12:32:35 +03 LOG: using stale statistics instead of current ones
> because stats collector is not responding
>
> My questions are:
> 1- I understand that PostgreSQL is closing the connection. What may cause
> for such a connection error, and how to solve it?
> 2- These "stale statistics" messages in log file, are they anything
> important? Is there a way to stop them being logged because they seem to
> grow log file.
Try to disable your Anti-Virus for a test.
If things then work, configure your Anti-Virus to not scan the Postgres data directory and to not check postgres.exe
Thomas