I have done all in that page ,but I still get the error.
I use j2sdk-1.4.2_04.
> > An I/O error has occured while flushing the output - Exception:
> > javax.net.ssl.SSLHandshakeException:
> > sun.security.validator.ValidatorException: No trusted certificate found
>
> You need to import the server certificate into the client's keystore.
> See http://archives.postgresql.org/pgsql-jdbc/2003-08/msg00110.php for
> details.
>
> -O
>
> ---------------------------(end of broadcast)---------------------------
> TIP 4: Don't 'kill -9' the postmaster