vertx multiple http servers at same port

@Log4j2
class MultipleHttpServersApp {
    static void main(String[] args) {
        def vertx = Vertx.vertx()
        def port = 9003
        vertx.deployVerticle({ new HttpVerticle(port: port) }, new DeploymentOptions().setInstances(1000)) {
            log.info 'done deploying verticles, let\'s run bunch of requests'
            def client = WebClient.create(vertx, new WebClientOptions().setDefaultPort(port))
            vertx.setTimer(5_000) {
                10_000.times {
                    client.request(HttpMethod.GET, port, 'localhost', '/').send { resp ->
                        if (resp.succeeded()) {
                            log.info 'got resp : {}', resp.result().bodyAsString()
                        } else {
                            log.error 'got failed resp : {}', resp.cause()
                        }
                    }
                }
            }
        }
    }
}



@Log4j2
class HttpVerticle extends AbstractVerticle {
    private static final AtomicInteger numInstances = new AtomicInteger(0)
    private HttpServer httpServer

    Integer port = 9003
    Integer verticleId = numInstances.incrementAndGet()

    @Override
    void start(Promise<Void> startPromise) throws Exception {
        log.info 'creating new vertx http server: verticleId={}', verticleId
        httpServer = vertx.createHttpServer()
                .requestHandler { r ->
                    log.info 'got request : {}', verticleId
                    r.response().end(verticleId as String)
                }
                .listen(9003) {
                    log.info 'http server started : {}, {}', verticleId, it.succeeded()
                    startPromise.handle(it.map(null))
                }
    }

    @Override
    void stop(Promise<Void> stopPromise) throws Exception {
        httpServer.close {
            log.info 'http server closed: {}', it.succeeded()
            stopPromise.handle(it)
        }
    }
}




#build.gradle:
plugins {
    id 'groovy'
    id 'application'
    id 'com.github.johnrengelman.shadow' version '5.1.0'
}

ext {
    wrapperGradleVersion = gradleVersion
}

group = 'dburyak.sandbox.vertx'
version = '0.0.1-SNAPSHOT'

sourceCompatibility = 11
targetCompatibility = 11
mainClassName = 'dburyak.sandbox.vertx.EchoServerApp'

repositories {
    mavenLocal()
    jcenter()
    mavenCentral()
}

dependencies {
    implementation "org.codehaus.groovy:groovy-all:${groovyVersion}"
    implementation "io.vertx:vertx-core:${vertxVersion}"
    implementation "io.vertx:vertx-lang-groovy:${vertxVersion}"
    implementation "io.vertx:vertx-mysql-client:${vertxVersion}"
    implementation "io.vertx:vertx-pg-client:${vertxVersion}"
    implementation "io.vertx:vertx-web-client:${vertxVersion}"

    // logging
    // log4j2 common configuration
    implementation "org.apache.logging.log4j:log4j-core:${log4jVersion}"
    implementation "org.apache.logging.log4j:log4j-slf4j-impl:${log4jVersion}"
//    implementation "com.lmax:disruptor:${disruptorVersion}"
    implementation "com.fasterxml.jackson.core:jackson-databind:${jacksonVersion}"
    implementation "com.fasterxml.jackson.dataformat:jackson-dataformat-yaml:${jacksonVersion}"

    // mongo

}

wrapper {
    gradleVersion = wrapperGradleVersion
    distributionType = 'ALL'
}

shadowJar {
    mergeServiceFiles {
        include 'META-INF/services/io.vertx.core.spi.VerticleFactory'
    }
}

run {
    systemProperties['vertx.logger-delegate-factory-class-name'] = 'io.vertx.core.logging.SLF4JLogDelegateFactory'
}








#gradle.properties:
gradleVersion=6.5
vertxVersion=3.9.1
groovyVersion=3.0.4
log4jVersion=2.13.0
jacksonVersion=2.10.2
disruptorVersion=3.4.2









#log4j2.yml
Configuration:
  status: info
  name: default
  appenders:
    Console:
      name: CONSOLE
      PatternLayout:
        Pattern: "%style{\
            %date{yyyy-MM-dd HH:mm:ss.SSS}\
            }{white} \
            \
            %highlight{%-5level}{FATAL=Blinking bright red, ERROR=Red, WARN=Yellow, INFO=Cyan, DEBUG=White, TRACE=Black} \
            \
            [%style{\
            %17.17thread\
            }{yellow}] \
            \
            %style{\
            %40.40logger\
            }{cyan} - \
            \
            %msg%n%throwable\
            "
  Loggers:
    Root:
      level: debug
      AppenderRef:
        ref: CONSOLE
    logger:
      - name: com.athaydes.spockframework.report
        level: warn
      - name: io.netty
        level: info
      - name: io.vertx
        level: info
      - name: io.micronaut
        level: info
      - name: org.mongodb.driver
        level: info
      - name: org.mongodb.driver.connection
        level: warn
      - name: com.hazelcast
        level: warn
      - name: com.networknt.schema
        level: warn