直接上例子代码

import io.vertx.core.AbstractVerticle;
import io.vertx.core.Vertx;
import java.time.LocalDateTime;

public class VerticleDeployAndUndeploy extends AbstractVerticle {

private static volatile String deploymentID = null;

    public static void main(String[] args) {
        Vertx vertx = Vertx.vertx();
        VerticleDeployAndUndeploy vertical = new VerticleDeployAndUndeploy();
        System.out.println("Verticle deploy start,"+LocalDateTime.now());

        // deployVerticle 不阻塞 ，回调方法 获取结果
        vertx.deployVerticle(vertical,asyncResult -> {
            if (asyncResult.succeeded()) {
                deploymentID = asyncResult.result();
                System.out.println("verticle deployed ok, deploymentID = " + deploymentID+","+LocalDateTime.now());
            } else {
                System.out.println("verticle deployed error," + asyncResult.cause()+","+LocalDateTime.now());
            }
        });

        System.out.println("now time,"+LocalDateTime.now());
        doSleep(2000);
        // 部署完成后卸载
        System.out.println("deploymentID="+deploymentID+","+LocalDateTime.now());
        vertx.undeploy(deploymentID);

    }

    @Override
    public void start() {
        doSleep(1000);
        System.out.println("Verticle start done,"+LocalDateTime.now());
    }

    @Override
    public void stop() {
        System.out.println("Verticle stop done,"+ LocalDateTime.now());
    }

    public static void doSleep(long time){
        try{
            Thread.sleep(time);
        }catch(Exception e){
            //
        }
    }

//////
start方法抛出异常 部署失败 

    private static void  startInit(boolean error){
        if(error){
            throw new RuntimeException("verticle start init error");
        }
    }



Verticle deploy start,2024-01-12T22:50:43.242
now time,2024-01-12T22:50:43.259
Verticle start done,2024-01-12T22:50:44.261
verticle deployed ok, deploymentID = 44bea012-10aa-43e7-903e-1fbb0e77b947,2024-01-12T22:50:44.280
deploymentID=44bea012-10aa-43e7-903e-1fbb0e77b947,2024-01-12T22:50:45.264
Verticle stop done,2024-01-12T22:50:45.288