Spring Getting Started Guide MongoDB REST Example

Question

I looked at the MongoDB REST Getting started guide from Spring (https://spring.io/guides/gs/accessing-mongodb-data-rest/). When I'm adding an entity in a different package then the Application.java, say

com.project.rest.core.entities.Account.java

and do the same for the repository

com.project.rest.core.repositories.AccountRepo.java

the Application does not recognize the REST endpoints under localhost:8080 after building with. It just shows

{
    "_links": {
        "people": {
            "href": "http://localhost:8080/people{?page,size,sort}",
            "templated": true
        },
        "profile": {
            "href": "http://localhost:8080/profile"
        }
    }
}

When I put the Account.java and AccountRepo.java in the same package where the Application.java resides, it works.

So, how do I integrate Repositories from different packages in the Application?

Best regards,

Tim

EDIT: My main application class looks as follows:

@SpringBootApplication
public class Application {

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

Even with added @ComponentScan(basePackages="com.project.rest") the AccountRepository is not found by Spring boot.

The repository has the following annotation:

@RepositoryRestResource(collectionResourceRel = "accounts", path="accounts")

Answer 1

You need to have the Components and Repositories under any of the sub-packages as Application.java.

From Spring Docs

We generally recommend that you locate your main application class in a root package above other classes. The @EnableAutoConfiguration annotation is often placed on your main class, and it implicitly defines a base “search package” for certain items.

Answer 2

Spring Boot should handle it with auto configuration annotation SpringBootApplicationor EnableAutoConfiguration.

Also you can specify annotation ComponentScan scanning by adding additional annotation to the main application class.

@ComponentScan(basePackages="com.project")