My web app only works with META-INF instead of WEB-INF including beans.xml. What for?

I am working on Dependency Injection examples in java and most docs emphasize that I should put empty beans.xml

in

• META-INF if it's a jar app
• WEB-INF if it is a web application.

So, I am using war type packaging, but my application only works if I put beans.xml

in the META-INF folder. I am a little confused about why it works with this path? I am deploying my war file in a JBOSS / WildFly container.

Here is my simple pom.xml

beans.xml is in src/main/resources/META-INF

Also here you can see which annotations I only used to inject beans.

AutoService.java

public interface AutoService {
    void getService();
}

      

        
        
        
      

    

BMWAutoService.java

@Named("bmwAutoService")
public class BMWAutoService implements AutoService{

    @Override
    public void getService() {
        System.out.println("You chose BMW auto service");
    }
}

      

        
        
        
      

    

AutoServiceCaller.java

@Named
public class AutoServiceCallerImp implements AutoServiceCaller{

    private AutoService bmwAutoService;

    @Inject
    public AutoServiceCallerImp(@Named("bmwAutoService") AutoService bmwAutoService) {

        this.bmwAutoService = bmwAutoService;
    }

    @Override
    public void callAutoService() {
        // get bmw auto service
        bmwAutoService.getService();
    }
}