The log is complaining about not being able to contact the server on port 63334 (I am using a ssh tunnel not defined in pgadmin4).
The last part of the log: --------------------------------------------------------- 2018-09-06 11:05:26,060: ERROR pgadmin: Could not connected to server(#2) - 'kbase'. Error: could not connect to server: Connection refused Is the server running on host "localhost" (::1) and accepting TCP/IP connections on port 63334? could not connect to server: Connection refused Is the server running on host "localhost" (127.0.0.1) and accepting TCP/IP connections on port 63334? ----------------------------------------------------- but on the commandline I can do: ------------------------------------------------------ js@sitasie ~ 11:05:01> psql -h localhost -p 63334 wos SET
Welcome, my magistrate
psql (10.5 (Debian 10.5-1.pgdg100+1), server 10.4 (Debian 10.4-2.pgdg90+1)) SSL connection (protocol: TLSv1.2, cipher: ECDHE-RSA-AES256-GCM-SHA384, bits: 256, compression: off) Type "help" for help.
I'm confused. Your first message said the error was that the application server couldn't be contacted, but this seems to imply that pgAdmin is up and running and the failure is when it's trying to connect to a database server.
Do those log messages occur when pgAdmin is actually trying to start (i.e. maybe pgAdmin is trying to restore a connection at startup, then failing, and the timeout of that is also causing the runtime to timeout when connecting to the app server)?