[Koha] Plack unable to restart once every week

[Andreas Roussos]

Hello Jonathan,

I applied the patch from bug 17814 and it seems to have fixed the problem.

Thanks again!

Kind regards,
Andreas

On 25 April 2017 at 15:09, Jonathan Druart <
jonathan.druart at bugs.koha-community.org> wrote:

> Hello Andreas,
>
> You should take a look at bug 17814, it may be related and fix your
> problem.
> Let us know
>
> Regards,
> Jonathan
>
> On Tue, 25 Apr 2017 at 05:48 Andreas Roussos <arouss1980 at gmail.com> wrote:
>
> > Dear List,
> >
> > We are running Koha 16.05.02 on Debian 8, installed from packages.
> >
> > Recently we enabled Plack, and have been observing the following
> behaviour:
> > once every week on a Sunday, the Plack process will fail to restart.
> > This results in a "Service Unavailable" page when trying to load the
> Staff
> > Interface.
> > The relevant entries from the log files are marked with an asterisk
> below.
> >
> > /var/log/koha/imp$ zegrep "closing|starting" plack-error.log* | sort -t
> ':'
> > -k 2
> > plack-error.log.5.gz:2017/03/27-06:29:17 Server closing!
> > plack-error.log.4.gz:2017/03/27-06:29:19 Starman::Server (type
> > Net::Server::PreFork) starting! pid(26134)
> > plack-error.log.4.gz:2017/03/28-06:29:17 Server closing!
> > plack-error.log.4.gz:2017/03/28-06:29:20 Starman::Server (type
> > Net::Server::PreFork) starting! pid(3699)
> > plack-error.log.4.gz:2017/03/29-06:29:15 Server closing!
> > plack-error.log.4.gz:2017/03/29-06:29:17 Starman::Server (type
> > Net::Server::PreFork) starting! pid(11642)
> > * plack-error.log.4.gz:2017/04/02-06:29:23 Server closing!
> > * plack-error.log.3.gz:2017/04/02-11:28:27 Starman::Server (type
> > Net::Server::PreFork) starting! pid(972)
> > plack-error.log.3.gz:2017/04/03-06:29:23 Server closing!
> > plack-error.log.3.gz:2017/04/03-06:29:27 Starman::Server (type
> > Net::Server::PreFork) starting! pid(5798)
> > * plack-error.log.3.gz:2017/04/09-06:29:25 Server closing!
> > * plack-error.log.2.gz:2017/04/09-13:58:48 Starman::Server (type
> > Net::Server::PreFork) starting! pid(964)
> > plack-error.log.2.gz:2017/04/11-06:29:30 Server closing!
> > plack-error.log.2.gz:2017/04/11-06:29:33 Starman::Server (type
> > Net::Server::PreFork) starting! pid(9831)
> > * plack-error.log.2.gz:2017/04/16-07:36:00 Server closing!
> > * plack-error.log.2.gz:2017/04/16-09:02:50 Starman::Server (type
> > Net::Server::PreFork) starting! pid(984)
> > plack-error.log.2.gz:2017/04/17-06:29:25 Server closing!
> > plack-error.log.1:2017/04/17-06:29:27 Starman::Server (type
> > Net::Server::PreFork) starting! pid(5563)
> > * plack-error.log.1:2017/04/23-06:29:32 Server closing!
> > * plack-error.log:2017/04/23-10:36:14 Starman::Server (type
> > Net::Server::PreFork) starting! pid(7389)
> >
> > As you can see, on the 2nd/9th/16th/23rd of April (i.e. every 7
> > days) the Plack process did not restart automatically and we had
> > to start it manually with `koha-plack --start imp`.
> >
> > FWIW, we do not have anacron installed and haven't made any
> > changes to the Koha logrotate script.
> >
> > Does anyone have any leads as to what may be causing this behaviour?
> >
> > Thanks in advance!
> >
> > Kind regards,
> > Andreas Roussos
> > Systems Administrator
> > Holy Monastery of the Paraclete
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> >
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