error java hashmap

package com.ct.day9;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.HashMap;
import java.util.Map.Entry;

public class SqlDemo1 {

	public static void main(String[] args) throws SQLException {
		
		Connection con=DriverManager.getConnection("jdbc:mysql://localhost:3306/mydb","root","root");  
		String qry="SELECT * FROM Employee";
		Statement st= con.createStatement();
		ResultSet rs=st.executeQuery(qry);
		Empl emp=new Empl(); 
		HashMap<Integer,Empl> empList=new HashMap<Integer,Empl>();	
		while(rs.next()) {
		emp.setEmpid(rs.getInt("emp_id"));
		emp.setName(rs.getString(2));
		emp.setSurName(rs.getString(3));
		emp.setJob(rs.getString(4));
		System.out.println("data "+emp);
		empList.put(emp.getEmpid(), emp);
		}
		System.out.println("hash map data "+empList);
		for(Entry em : empList.entrySet())
			System.out.println(em.getKey()+" "+em.getValue());
	}	

}

class Empl{
	int empid;
	String name;
	String surName;
	String job;
	public int getEmpid() {
		return empid;
	}
	public void setEmpid(int empid) {
		this.empid = empid;
	}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public String getSurName() {
		return surName;
	}
	public void setSurName(String surName) {
		this.surName = surName;
	}
	public String getJob() {
		return job;
	}
	public void setJob(String job) {
		this.job = job;
	}
	@Override
	public String toString() {
		return "Empl [empid=" + empid + ", name=" + name + ", surName=" + surName + ", job=" + job + "]";
	}
	
	
	
}