qr.query()报错

import java.io.InputStream;
import java.net.URLDecoder;
import java.util.List;
import java.util.Properties;

public class DbUtilsSample22 {
    public static void query() {
        Properties properties = new Properties();
        String propertyFile = DbUtilsSample22.class.getResource("/druid-config.properties").getPath();
        try {
            propertyFile = new URLDecoder().decode(propertyFile, "UTF-8");
            properties.load(new FileInputStream(propertyFile));
            DataSource dataSource = new DruidDataSourceFactory().createDataSource(properties);
            //查询执行者
            QueryRunner qr = new QueryRunner(dataSource);
            List<Employee> list = qr.query("select * from employee limit ?,10",
                    new BeanListHandler<>(Employee.class),
                    new Object[]{10});
            for (Employee emp : list) {
                System.out.println(emp.getName());
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    public static void main(String[] args) {
        query();
    }
}