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Re: JDBC broken connection against Postgres 8.4

From: Michael Bell <mikebell90(at)yahoo(dot)com>
To: Donald Fraser <postgres(at)kiwi-fraser(dot)net>, "\[JDBC\]" <pgsql-jdbc(at)postgresql(dot)org>
Subject: Re: JDBC broken connection against Postgres 8.4
Date: 2009-08-22 07:10:48
Message-ID: 422574.93438.qm@web43143.mail.sp1.yahoo.com (view raw or flat)
Thread:
Lists: pgsql-jdbc
First of all, I want to thank everyone for their input.

Second, I installed PG 8.4 server on another box (Windows 2000), and all was well. 

So the issue APPEARS to be only if you if the Server is on Windows XP. I'm not sure if the localhost thing contributes since MS does weird things to fake a loopback. I suspect that is the issue.

Case closed, though it might be worth noting a warning thereof.





----- Original Message ----
From: Donald Fraser <postgres(at)kiwi-fraser(dot)net>
To: [JDBC] <pgsql-jdbc(at)postgresql(dot)org>
Sent: Thursday, August 20, 2009 7:22:38 AM
Subject: Re: [JDBC] JDBC broken connection against Postgres 8.4

I note from your original email that your test platform is Windows XP.
Please check the system event logs for ID 4226.
If you see this message then you have a TCP connection limit issue causing problems.


----- Original Message ----- From: ??????? ????????
To: Michael Bell
Cc: pgsql-jdbc(at)postgresql(dot)org
Sent: Thursday, August 20, 2009 1:09 PM
Subject: Re: [JDBC] JDBC broken connection against Postgres 8.4


May be, you have a firewall software that is working and can't keep up with all this connections opened over loopback?


2009/8/17 Michael Bell <mikebell90(at)yahoo(dot)com>

As you see below, something seems....whacked. A simple loop with an unpooled connection (code provided below) often gives an exception when connecting. The Thread.sleep statement has been made as high as 5000 ms, and exceptions still sporadically occur.

I don't know if this is a JDBC driver issue or core server issue. Or something here. But the code is so simple.... 

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