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Databases Populating and Relationships

Database has no being populated with Courses?

@Component public class DatabaseLoader implements ApplicationRunner { private final CourseRepository courses;

public DatabaseLoader(CourseRepository courses) {
    this.courses = courses;

public void run(ApplicationArguments args) throws Exception {
    Course course = new Course("Java Basis", "https://teamtreehouse.com");


I used the below implementation to populate the Database with Courses, unfortunately the database is not populated with Courses and i dont know why. Help

same for me, did u fix it?