findByID JPA not working

[ayushbinnie]

package com.ayush.jpa.JpaDemo;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication
public class JpaDemoApplication implements CommandLineRunner {

private Logger logger = LoggerFactory.getLogger(JpaDemoApplication.class);

@Autowired
private PersonRepository repo;

public static void main(String[] args) {
	SpringApplication.run(JpaDemoApplication.class, args);
}

@Override
public void run(String... args) throws Exception {
	// TODO Auto-generated method stub

	logger.info("Person findById----", repo.findById(10002));

}

}

package com.ayush.jpa.JpaDemo;

import java.util.Date;

import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;

@entity
public class Person {

@Id
@GeneratedValue
private int id;

private String name;
private String location;
private Date birthDate;

public Person() {

}

public Person(int id, String name, String location, Date birthDate) {
	super();
	this.id = id;
	this.name = name;
	this.location = location;
	this.birthDate = birthDate;
}

public Person(String name, String location, Date birthDate) {
	super();
	this.name = name;
	this.location = location;
	this.birthDate = birthDate;
}

public int getId() {
	return id;
}

public void setId(int id) {
	this.id = id;
}

public String getName() {
	return name;
}

public void setName(String name) {
	this.name = name;
}

public String getLocation() {
	return location;
}

public void setLocation(String location) {
	this.location = location;
}

public Date getBirthDate() {
	return birthDate;
}

public void setBirthDate(Date birthDate) {
	this.birthDate = birthDate;
}

@Override
public String toString() {
	return String.format("\nPerson [id=%s, name=%s, location=%s, birthDate=%s]", id, name, location, birthDate);
}

}

package com.ayush.jpa.JpaDemo;

import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.transaction.Transactional;

import org.springframework.stereotype.Repository;

@repository
@transactional
public class PersonRepository {

@PersistenceContext
EntityManager manager;

public Person findById(int id) {
	return manager.find(Person.class, id);
}

}