Spring Boot does not recognize MongoDB RestController class

I am new to MongoDB and I am trying to use it with my SpringBoot application. I have followed my tutorials online and have downloaded their code and got it execute.

However for whatever reason my project fails to be able to print out
RequestMappingHandlerMapping : Mapped “{[/findAllBooks/{id}],methods=[GET]}”

I was wondering if anyone would be able to advise me if it is due to the nature of my project structure .
I wasn’t sure if my SpringBootMain could see my Controller class.

My project structure is best viewed here
https://github.com/emuldrew855/backend/tree/A/B-Testing/src/main/java/com/ebay/queens/demo

My Controller class

package com.ebay.queens.demo.resource;

@RestController
@RequestMapping("/v2")
public class UserController {
	
	@Autowired
	private UserRepository userRepository;

	@PostMapping("/AddUser")
	public String saveUser(@RequestBody User user) {
		userRepository.save(user);
		return "Added user with id: " + user.getId();
	}

    @GetMapping("/all")
    public List<User> getAll(){
        List<User> users = this.userRepository.findAll();
        return users;
    }
}

My main class

package com.ebay.queens.demo;
    @SpringBootConfiguration
    @SpringBootApplication
    public class SpringBootMain implements CommandLineRunner {
    	@Autowired
    	private TokenUtilityClass tokenUtilityClass;
	
	@Bean ResourceConfig resourceConfig() {
	return new ResourceConfig().registerClasses(Version1Api.class, Login.class, SignUp.class, Paypal.class); }

	@Override
	public void run(String... args) throws Exception {
		// test.authenticationToken();
	}

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

}

I've figured out why is not working... You are using 2 different WebService API which are incompatible...

Spring-Boot has native API to work with API Rest with @RestController annotation. You don't need to use Glassfish server.

Solution #1

1. From SpringBootMain remove @Bean ResourceConfig resourceConfig() {...}. Now, you API /v2 will work as expected.

2. Your API /v1 won't work because it uses other library. You need to change @Path to @GetMapping or @PostMapping and add @RestController into your Version1Api class.

Solution #2

You ignore Spring-Boot native Rest API and implement Glassfish Server.

1. Add UserController.class reference

>@Bean ResourceConfig resourceConfig() {
return new ResourceConfig().registerClasses(Version1Api.class, Login.class, SignUp.class, Paypal.class, UserController.class); }

2. For UserController change @RestController to @Path("/v2")

@Path("/v2")
public class UserController {
	
	@Autowired
	private UserRepository userRepository;

	@POST
	@Path("/AddUser")
	@Produces(MediaType.TEXT_PLAIN)
	public String saveUser(@RequestBody User user) {
		userRepository.save(user);
		return "Added user with id: " + user.getId();
	}

	@GET
	@Path("/all")
	@Produces(MediaType.APPLICATION_JSON)
    public List<User> getAll(){
        List<User> users = this.userRepository.findAll();
        return users;
    }
}

Now both API will work as expected