JDBC   ScriptRunner : java.lang.NullPointerException
import java.sql.*;
import java.io.BufferedReader;
import java.io.FileReader;

public class ConnectPostgreSQL {
  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 {
    c = DriverManager.getConnection("jdbc:postgresql://localhost:5432/postgres", "postgres", "passroot");
  } catch (SQLException se) {
    System.out.println("Couldn't connect: print out a stack trace and exit.");
    se.printStackTrace();
    System.exit(1);
  }
  System.out.println("Hooray! We connected to the PostgreSQL database!");

  long begin = System.currentTimeMillis();
  System.out.println("==> Temps de départ : " + begin);

  ScriptRunner runner = new ScriptRunner(c, false, false);
  try {
    runner.runScript(new BufferedReader(new FileReader("C:/ScriptSQL/create.sql")));
  } catch(Exception e) {
    e.printStackTrace();
  }

  long end = System.currentTimeMillis();
  System.out.println("==> Temps d'arrivée : " + end);

  float time = ((float) (end-begin)) / 1000f;
  System.out.println("Temps d'exécution : " + time + " sec");
  }
}

Checking if Driver is registered with DriverManager.
Registered the driver ok, so let's make a connection.
Hooray! We connected to the PostgreSQL database!
==> Temps de départ : 1300311132808
java.lang.NullPointerException
    at ScriptRunner.runScript(ScriptRunner.java:209)
    at ScriptRunner.runScript(ScriptRunner.java:110)
    at ConnectPostgreSQL.main(ConnectPostgreSQL.java:36)
java.lang.NullPointerException
    at ScriptRunner.runScript(ScriptRunner.java:209)
    at ScriptRunner.runScript(ScriptRunner.java:110)
    at ConnectPostgreSQL.main(ConnectPostgreSQL.java:36)
java.lang.NullPointerException
    at ScriptRunner.runScript(ScriptRunner.java:209)
    at ScriptRunner.runScript(ScriptRunner.java:110)
    at ConnectPostgreSQL.main(ConnectPostgreSQL.java:36)
java.lang.NullPointerException
    at ScriptRunner.runScript(ScriptRunner.java:209)
    at ScriptRunner.runScript(ScriptRunner.java:110)
    at ConnectPostgreSQL.main(ConnectPostgreSQL.java:36)
CREATE TABLE TEST123(a INTEGER, b VARCHAR(50), c VARCHAR(50))
INSERT INTO TEST123 VALUES(1, 'Riri', 'Tic')
INSERT INTO TEST123 VALUES(2, 'Fifi', 'Tac')
INSERT INTO TEST123 VALUES(3, 'Loulou', 'Toc')
==> Temps d'arrivée : 1300311132938
Temps d'exécution : 0.13 sec

try {
   if (rs!=null)
     rs.close();
} catch (Exception e) {
   e.printStackTrace();
}
try {
   if (statement!=null)
      statement.close();
} catch (Exception e) {
   e.printStackTrace();
}