문제가 뭔지여..

다 제대로 한것 같은데..

다음과 같은 에러가 발생합니다. ^^;

====================================================================

드라이버 로딩~~~~~

Connection refused. Check that the hostname and port is correct, and that the po

stmaster is running with the -i flag, which enables TCP/IP networking.

at org.postgresql.Connection.openConnection(Unknown Source)

at org.postgresql.Driver.connect(Unknown Source)

at java.sql.DriverManager.getConnection(Unknown Source)

at java.sql.DriverManager.getConnection(Unknown Source)

at ForeignKeysCoffees.main(ForeignKeysCoffees.java:22)

DBconn.java========================================================

import java.sql.*;

public class DBconn{

public static void main(String args[]) {

Connection con;

try {

Class.forName("org.postgresql.Driver");

System.out.println("드라이버 로딩~~~~~");

con = DriverManager.getConnection

( "jdbc:postgresql://000.000.000.00:5432/jdbctest", "postgres", "");

System.out.println("커넥션 ~~~");

con.close();

} catch (Exception e) { e.printStackTrace(); }

}

}