Looking at the Postgres side of the log I find that the connection was
reset from the other side (it is Pharo).

The reason for that is yet unknown to me. Since I don't do anything
(that I'm aware of).

golfware_database.1.9sl4bt9j6cv5@gw    | 2020-08-10 20:02:35.939 UTC
[132] LOG:  could not receive data from client: Connection reset by
peer
golfware_database.1.9sl4bt9j6cv5@gw    | 2020-08-10 20:06:58.083 UTC
[139] LOG:  could not receive data from client: Connection reset by
peer
golfware_database.1.9sl4bt9j6cv5@gw    | 2020-08-10 20:06:58.083 UTC
[137] LOG:  could not receive data from client: Connection reset by
peer
golfware_database.1.9sl4bt9j6cv5@gw    | 2020-08-10 20:33:20.163 UTC
[166] LOG:  could not receive data from client: Connection reset by
peer
golfware_database.1.9sl4bt9j6cv5@gw    | 2020-08-10 20:35:22.019 UTC
[168] LOG:  could not receive data from client: Connection reset by
peer
golfware_database.1.9sl4bt9j6cv5@gw    | 2020-08-10 20:37:33.091 UTC
[177] LOG:  could not receive data from client: Connection reset by
peer

I'll have to keep looking.

Best regards!

Esteban A. Maringolo


On Mon, Aug 10, 2020 at 5:35 PM Esteban Maringolo <emaring...@gmail.com> wrote:
>
> My Seaside session isn't closing the connection, only when
> unregistered, but this seems to be something else I don't know.
>
> I saw there is logging, and I need to set it up in general (including
> Fuel serialized stacks).
> Looking in the web apparently there is the need for a keepalive that
> is not in place.
> What disturbs me is that it doesn't happen in development. Making things 
> harder.
>
> Regards!
>
> Esteban A. Maringolo
>
> On Mon, Aug 10, 2020 at 5:02 PM Sven Van Caekenberghe <s...@stfx.eu> wrote:
> >
> > Hi Esteban,
> >
> > I have a web app with P3 under Seaside in production and it works fine. But 
> > that is without Glorp, nor any connection pooling.
> >
> > You say the connection seems closed, maybe the closing got triggered by 
> > your app somehow ? How do you clean up expired sessions ? How do you handle 
> > logouts ?
> >
> > P3 does normally reconnect automatically, IIRC.
> >
> > You could try to enable logging in P3Client, that is a recent addition. It 
> > should show you what happens to your connections.
> >
> > Sven
> >
> > > On 10 Aug 2020, at 21:15, Esteban Maringolo <emaring...@gmail.com> wrote:
> > >
> > > Hi all, Sven ;-)
> > >
> > > I'm having erratic P3 errors in a recent application I wrote using
> > > Pharo, Seaside and Glorp with P3 as driver.
> > >
> > > Each Seaside session has a GlorpSession, which in turn has a
> > > P3Connection in its accessor. I don't know why, but sometimes the
> > > P3Connection socket is closed, and then when trying to read from the
> > > database, it cannot write the query to the P3 socket and exception is
> > > raised, and it isn't handled by the P3DatabaseDriver (automatically
> > > trying to reconnect?).
> > >
> > > I don't know if I'm doing something wrong, I plan to migrate the
> > > GlorpPooledDatabaseAccessor and also use the P3ConnectionPool, but I
> > > want to be sure that the current setup works of if maybe I'm exceeding
> > > some limit or timeout that causes the connection to be closed.
> > >
> > > Regards!
> > >
> > >
> > > Esteban A. Maringolo
> > >
> >
> >

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