@ManagedBean
@ViewScoped
public class LoginBean implements Serializable
{
    private String username;
    private String password;

    @Autowired
    private AccountService accountService;

    public LoginBean()
    {
    }

    public void saveAcc()
    {
        System.out.println("Save Acc");
        System.out.println(accountService == null ? "null":"not null");
        //accountService.save(new Account("username", "password", 1));
    }
    //getter and setter omitted
}

@Transactional
@Service
public class AccountService
{
    @Autowired
    private AccountRepository accountRepository;

    public AccountRepository getRepository()
    {
        return accountRepository;
    }

    public void save(Account entity)
    {
        accountRepository.save(entity);
    }
}

@Repository
public interface AccountRepository extends CrudRepository<Account, Integer>
{
    List<Account> findByName(String name);
}

@Entity(name = "Account")
@Table(name = "account")
public class Account implements Serializable
{
    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    @javax.persistence.Id
    private Integer id;

    @Column(name = "username", nullable = false, length = 45)
    private String username;

    @Column(name = "password", nullable = false, length = 45)
    private String password;

    @Column(name = "profileId", nullable = false)
    private int profileId;

    public Account()
    {
    }

    public Account(String username, String password, int profileId)
    {
        this.username = username;
        this.password = password;
        this.profileId = profileId;
    }
    //getter and setter omitted
}

#Database Configuration
db.driver=com.mysql.jdbc.Driver
db.url=jdbc:mysql://localhost:3306/uass?zeroDateTimeBehavior=convertToNull
db.username=root
db.password=password

#Hibernate Configuration
hibernate.dialect=org.hibernate.dialect.MySQLDialect
hibernate.hbm2ddl.auto=create-drop
hibernate.ejb.naming_strategy=org.hibernate.cfg.ImprovedNamingStrategy
hibernate.show_sql=true
hibernate.format_sql=true

@Configuration
@EnableJpaRepositories(basePackages =
{
    "com.peter.uass"
})
@EnableTransactionManagement
public class PersistenceContext
{
    @Bean(destroyMethod = "close")
    DataSource dataSource(Environment env)
    {
        HikariConfig dataSourceConfig = new HikariConfig();
        dataSourceConfig.setDriverClassName(env.getRequiredProperty("db.driver"));
        dataSourceConfig.setJdbcUrl(env.getRequiredProperty("db.url"));
        dataSourceConfig.setUsername(env.getRequiredProperty("db.username"));
        dataSourceConfig.setPassword(env.getRequiredProperty("db.password"));

        return new HikariDataSource(dataSourceConfig);
    }

    @Bean
    LocalContainerEntityManagerFactoryBean entityManagerFactory(DataSource dataSource, Environment env)
    {
        LocalContainerEntityManagerFactoryBean entityManagerFactoryBean = new LocalContainerEntityManagerFactoryBean();
        entityManagerFactoryBean.setDataSource(dataSource);
        entityManagerFactoryBean.setJpaVendorAdapter(new HibernateJpaVendorAdapter());
        entityManagerFactoryBean.setPackagesToScan("com.peter.uass");

        Properties jpaProperties = new Properties();

        jpaProperties.put("hibernate.dialect", env.getRequiredProperty("hibernate.dialect"));

        jpaProperties.put("hibernate.hbm2ddl.auto", env.getRequiredProperty("hibernate.hbm2ddl.auto"));

        jpaProperties.put("hibernate.ejb.naming_strategy", env.getRequiredProperty("hibernate.ejb.naming_strategy"));

        jpaProperties.put("hibernate.show_sql", env.getRequiredProperty("hibernate.show_sql"));

        jpaProperties.put("hibernate.format_sql", env.getRequiredProperty("hibernate.format_sql"));

        entityManagerFactoryBean.setJpaProperties(jpaProperties);

        return entityManagerFactoryBean;
    }

    @Bean
    JpaTransactionManager transactionManager(EntityManagerFactory entityManagerFactory)
    {
        JpaTransactionManager transactionManager = new JpaTransactionManager();
        transactionManager.setEntityManagerFactory(entityManagerFactory);
        return transactionManager;
    }
}