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Can not always connect to postmaster. Sometimes get "Connection refused".

From: "Hamedany, Allen" <Allen(dot)Hamedany(at)revivio(dot)com>
To: <pgsql-hackers(at)postgresql(dot)org>
Subject: Can not always connect to postmaster. Sometimes get "Connection refused".
Date: 2004-01-26 20:55:39
Message-ID: 07FBB852E7D37D4F95879AF229258FF698ABC3@washington.revivio.com (view raw or flat)
Thread:
Lists: pgsql-hackers
Hi,

 

We're running postgres7.3 on RedHat7.3. The Postgres at boot time starts
up from a java (1.2) class that runs the following commands in order:

 

/usr/local/pgsql/bin/pg_ctl -w start -D /var/lib/pgsql -l
/var/log/pgsqld.log -o -i

/usr/local/pgsql/bin/createdb management

.

.

.

 

As you can tell the postmaster starts up with "-i" option here. 

 

++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

In pg_hba.conf we have:

local   all         all
trust

host    all         all         127.0.0.1         255.255.255.255
trust

host    all         all         192.168.0.0     255.255.0.0
trust

 

The host IP address is 192.168.55.5 which is in the right subnet.

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

In postgresql.conf: 

 

#

#       Connection Parameters

#

tcpip_socket = true

#ssl = false

 

max_connections = 64

#superuser_reserved_connections = 2

 

#port = 5432 

#hostname_lookup = false

#show_source_port = false

 

#unix_socket_directory = ''

#unix_socket_group = ''

#unix_socket_permissions = 0777 # octal

 

tcpip_socket = true

++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

 

 

Sometimes, after Postgres starts up, when the database clients try to
access the db from the localhost, we get the following error:

 

com.solarmetric.kodo.Runtime -
com.solarmetric.kodo.runtime.FatalDataStoreException: Connection
refused. Check that the hostname and port are correct and that the
postmaster is accepting TCP/IP connections. 

 

a)       Any ideas what's causing postmaster NOT to accept connections
some of the time?

 

This problem almost always goes away upon rebooting the machine.

 

Any help is much appreciated.

 

Thanks,

-Allen



 

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