SSCCE.java

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Lazy;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Component;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.context.WebApplicationContext;

@Controller
@EnableAutoConfiguration
@ComponentScan(basePackageClasses = SSCCE.class)
public class SSCCE {
	
	@Autowired
	@Lazy
	private SingletonBean bean;
	
	@Component
	@Lazy
	public static class SingletonBean {
		
		@Autowired
		private RequestBean bean;
		
		@Override
		public String toString() {
			return super.toString() + bean.toString();
		}
		
	}
	
	@Component
	@Scope(WebApplicationContext.SCOPE_REQUEST)
	public static class RequestBean {
		
		@Override
		public String toString() {
			return super.toString();
		}

	}
	
	@RequestMapping("/")
	@ResponseBody
	String home() {
		return bean.toString();
	}

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