import java.sql.*;

public class Cancel {
	public static void main(String args[]) throws Exception {
		Class.forName("org.postgresql.Driver");
		Connection conn = DriverManager.getConnection("jdbc:postgresql://localhost:5851/jurka", "jurka", "");

		Statement stmt = conn.createStatement();
		stmt.cancel();
		ResultSet rs = stmt.executeQuery("SELECT 1");

	}
}