Sql Server JDBC 连接重置错误：仅在 Amazon EC2 上

Java
import Java.sql.Connection;
import Java.sql.DriverManager;
import Java.sql.ResultSet;
import Java.sql.Statement;
public class JdbcExample {
    public static void mAIn(String[] args) {
        String url = "jdbc:SqlServer://localhost:1433;DatabaseName=mydb";
        String username = "myuser";
        String password = "mypassword";
        try {
            Class.forName("com.microsoft.SqlServer.jdbc.SqlServerDriver");
            Connection connection = DriverManager.getconnection(url, username, password);
            Statement statement = connection.createStatement();
            String sql = "SELECT * FROM customers";
            ResultSet resultSet = statement.executeQuery(sql);
            while (resultSet.next()) {
                String name = resultSet.getString("name");
                int age = resultSet.getInt("age");
                System.out.println("Name: " + name + ", Age: " + age);
            }
            resultSet.close();
            statement.close();
            connection.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}