spring.jpa.database: MYSQL
spring.jpa.hibernate.ddl-auto: update

spring.datasource.driver-class-name=com.mysql.jdbc.Driver
spring.datasource.url: jdbc:mysql://localhost:3306/databasename?useUnicode=yes&characterEncoding=UTF-8
spring.datasource.username: root
spring.datasource.password: password

@ManyToMany(fetch = FetchType.EAGER)
    @JoinTable(
            name = "user_userrole",
            joinColumns = @JoinColumn(name = "user_id", referencedColumnName = "id"),
            inverseJoinColumns = @JoinColumn(name = "userrole_id", referencedColumnName = "id"))
    private List<UserRole> userRoles;
public List<UserRole> getUserRoles() {
        return userRoles;
    }

@ManyToMany(mappedBy = "userRoles")
    private List<User> users;

currentUser.getUserRoles();