| Pedro n/a 2005-04-09, 8:26 pm |
| I'm ashamed, the problem was exactly there!
I'm using a FreeBSD 5.4#PRE-RELEASE box and I was editing the 'hosts' file
the other day, experimenting some things with samba just when I forgot to
uncomment some tests I did... Don't know where I was with my mind!!!
Thanks again!
Pedro
From: Oliver Jowett <oliver@opencloud.com>
To: Pedro n/a <napalmblood@hotmail.com>
CC: pgsql-jdbc@postgresql.org
Subject: Re: [JDBC] Exception "The connection attempt failed." (didn't find
anything elsewhere)
Date: Sat, 09 Apr 2005 11:02:26 +1200
Pedro n/a wrote:
> I'm quite new at java and I was just following a tutorial when I bumped
> with a horrible exception. [...]
> Caused by: java.net. UnknownHostException
: localhost
> at java.net.PlainSocketImpl. connect(PlainSocketI
mpl.java:153)
This is the underlying problem. If you do not specify a host to connect
to, the JDBC driver defaults to connecting to localhost, but for some
reason your system cannot resolve localhost.
The solution is to fix hostname resolution on your system. I can't give
you any suggestions as to how to do this as you didn't say anything
about the OS that you are using, but something is pretty broken if you
can't resolve localhost.
A workaround might be to provide an explicit IP address in the driver
URL, e.g. instead of 'jdbc:postgresql:dat
abasename' use something like
'jdbc:postgresql://127.0.0.1/databasename'.
-O
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