Erro ao executar o Projeto

Amigos, vocês podem mim ajudar a resolver esse erro? Classe Configuracao

package br.com.alura.listavip;

import javax.sql.DataSource;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.Bean;
import org.springframework.jdbc.datasource.DriverManagerDataSource;



@SpringBootApplication
public class Configuracao {

    public static void main(String[] args) {

        SpringApplication.run(Configuracao.class, args);

    }

    @Bean
    public DataSource dataSource() {
        DriverManagerDataSource dataSource = new DriverManagerDataSource();
        dataSource.setDriverClassName("com.mysql.jdbc.Driver");
        dataSource.setUrl("mysql:jdbc://localhost:3306/listavip");
        dataSource.setUsername("root");
        dataSource.setPassword("root");
        return dataSource;
    }

}

Classe ConvidadoController

package br.com.alura.listavip;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;

import br.com.alura.model.Convidado;
import br.com.alura.repository.ConvidadoRepository;

@Controller
public class ConvidadoController {

    @Autowired
    private ConvidadoRepository repository;

    @RequestMapping("/")
    public String index() {
        return "index";

    }
    @RequestMapping("/listaconvidados")
    public String listaConvidado(Model model) {

        Iterable<Convidado> convidados = repository.findAll();
        model.addAttribute("Convidados", convidados);    
        return "listaconvidados";

    }
}

Classe Convidado

package br.com.alura.model;

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

@Entity(name = "convidado")
public class Convidado {

    @Id
    @GeneratedValue
    private Long id;

    private String nome;

    private String email;

    private String telefone;

    public Long getId() {
        return id;
    }

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

    public String getNome() {
        return nome;
    }

    public void setNome(String nome) {
        this.nome = nome;
    }

    public String getEmail() {
        return email;
    }

    public void setEmail(String email) {
        this.email = email;
    }

    public String getTelefone() {
        return telefone;
    }

    public void setTelefone(String telefone) {
        this.telefone = telefone;
    }
}

pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>br.com.alura.listavip</groupId>
  <artifactId>listavip2</artifactId>
  <version>0.0.1-SNAPSHOT</version>

     <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
            <version>1.3.6.RELEASE</version>
        </dependency>

        <dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-thymeleaf</artifactId>
    <version>1.3.6.RELEASE</version>
</dependency>

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-data-jpa</artifactId>
    <version>1.3.6.RELEASE</version>
</dependency>        

     <dependency>
    <groupId>mysql</groupId>
    <artifactId>mysql-connector-java</artifactId>
    <version>5.1.40</version>
</dependency>

    </dependencies>



</project>