El día Montag, Mai 11, 2020 a las 09:50:12 -0400, Tom Lane escribió: > > > postmaste 14622 postgres 9u IPv4 131903453 0t0 TCP srap32dxr1.dev.oclc.org:5432->srap32dxr1.dev.oclc.org:44836 (ESTABLISHED) > > OK, so it's gotten a TCP not Unix-socket connection; that's already > going to narrow things a little bit. > > > Interestingly, the other side of this connection of the port 5432 is not > > visible, i.e. a 'lsof -P | grep 5432' does not show it in this moment. > > Permissions problem maybe? I'm not sure that lsof will tell you much > about non-postgres-owned processes, unless you run it as root. Ah, yes. As this is just a dev host only, I set 'chmod 4755 /usr/bin/lsof' and now I see, the connecting client is one of our Java tools and I can look at the problem from this side. matthias -- Matthias Apitz, ✉ guru@xxxxxxxxxxx, http://www.unixarea.de/ +49-176-38902045 Public GnuPG key: http://www.unixarea.de/key.pub