Micronaut issue 2860

Application.java

package test;

import io.micronaut.runtime.Micronaut;

public class Application {

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

}

build.gradle

plugins {
    id 'java'
    id 'application'
}

repositories {
    mavenCentral()
}

dependencies {
    implementation platform('io.micronaut:micronaut-bom:1.3.2')
    annotationProcessor platform('io.micronaut:micronaut-bom:1.3.2')

    annotationProcessor 'io.micronaut:micronaut-inject-java'
    implementation 'io.micronaut:micronaut-runtime'
    implementation 'io.micronaut:micronaut-http-server-netty'
    implementation 'io.micronaut:micronaut-http-client'

    implementation 'ch.qos.logback:logback-classic:1.2.3'
}

TestBean.java

package test;

import io.micronaut.context.annotation.Context;

import javax.inject.Singleton;

@Singleton
@Context
public class TestBean {
}

TestListener.java

package test;

import io.micronaut.context.event.BeanCreatedEvent;
import io.micronaut.context.event.BeanCreatedEventListener;
import io.micronaut.core.type.Argument;
import io.micronaut.http.HttpRequest;
import io.micronaut.http.HttpResponse;
import io.micronaut.http.client.BlockingHttpClient;
import io.micronaut.http.client.LoadBalancer;
import io.micronaut.http.client.RxHttpClient;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.inject.Singleton;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Map;

@Singleton
public class TestListener implements BeanCreatedEventListener<TestBean> {

    private static final Logger log = LoggerFactory.getLogger(TestListener.class);

    private final URL url = new URL("https://api6.ipify.org");

    public TestListener() throws MalformedURLException {
    }

    @Override
    public TestBean onCreated(BeanCreatedEvent<TestBean> event) {
        log.warn(">>> TestBean created");
//        event.getSource().getBean(ObjectMapper.class);
        LoadBalancer loadBalancer = LoadBalancer.fixed(url);
        BlockingHttpClient client = event.getSource().createBean(RxHttpClient.class, loadBalancer).toBlocking();
        HttpResponse<Map<String, Object>> response = client.exchange(HttpRequest.GET("/?format=json"), Argument.mapOf(String.class, Object.class));
        Map<String, Object> body = response.body();
        log.warn(">>> Response {}", body);
        return event.getBean();
    }

}