Question

I am trying to do a simple connection test to a postgresql database, the code is working well but I am getting the following message:

PostgreSQL 9.0 JDBC4 (build 802)
Found in: jar:file:/C:/thales/Dropbox/study/java/jars/postgresql-9.0-802.jdbc4.jar!/org/postgresql/Driver.class

I am using the jdbc file provided by the address http://jdbc.postgresql.org/download.html

Following, the code:

import java.sql.DriverManager;
import java.sql.Connection;
import java.sql.SQLException;

public class connector {
  public static void main(String[] argv) {
  System.out.println("Checking if Driver is registered with DriverManager.");

  try {
    Class.forName("org.postgresql.Driver");
  } catch (ClassNotFoundException cnfe) {
    System.out.println("Couldn't find the driver!");
    System.out.println("Let's print a stack trace, and exit.");
    cnfe.printStackTrace();
    System.exit(1);
  }

  System.out.println("Registered the driver ok, so let's make a connection.");

  Connection c = null;

  try {
    // The second and third arguments are the username and password,
    // respectively. They should be whatever is necessary to connect
    // to the database.
    c = DriverManager.getConnection("jdbc:postgresql://localserver/test","ping", "pong");
  } catch (SQLException se) {
    System.out.println("Couldn't connect: print out a stack trace and exit.");
    se.printStackTrace();
    System.exit(1);
  }

  if (c != null)
    System.out.println("Hooray! We connected to the database!");
  else
    System.out.println("We should never get here.");
  }
}

Answer 1

thanks for all feedback but i manage to solve the problem reinstallign eclipse (?? )

using the same code, and the same jdbc driver, the code described in the question worked.