From: | Guillaume Cottenceau <gc(at)mnc(dot)ch> |
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To: | George Woodring <george(dot)woodring(at)iglass(dot)net> |
Cc: | pgsql-jdbc(at)postgresql(dot)org |
Subject: | Re: Random UnknownHostExceptions |
Date: | 2012-06-28 16:02:32 |
Message-ID: | m3obo3tofb.fsf@mnc.ch |
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Lists: | pgsql-jdbc |
George Woodring <george.woodring 'at' iglass.net> writes:
> Caused by: java.net.UnknownHostException: iprobe113
>
> at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:177)
> at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
> at java.net.Socket.connect(Socket.java:529)
> at java.net.Socket.connect(Socket.java:478)
> at java.net.Socket.<init>(Socket.java:375)
> at java.net.Socket.<init>(Socket.java:189)
> at org.postgresql.core.PGStream.<init>(PGStream.java:62)
The PG driver seems to be using the standard Socket java
interface, so there's little chance it has anything to do with
it. I would try to run a local Java program using a Socket object
to connect to a fake port on the same machine, for example you
could base on network connection code from:
Btw, one per 100K connections means you keep on creating new
connections. This usually has very poor performance. You should
use a connection pool.
--
Guillaume Cottenceau
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