Deploying a service in verticle

[Charles Sam Dilip J]

Hi,

I want to deploy a verticle with service which lasts long, until I stop the jar with zookeeper as backend

I use the basic vertx to deploy the verticle.

// Verticle Snippet MyVerticl.java


 ServiceDiscovery discovery = ServiceDiscovery.create(vertx,
        new ServiceDiscoveryOptions().setBackendConfiguration(new JsonObject()
            .put("connection", "localhost:2181")
            .put("ephemeral", true)
            .put("guaranteed", true)
            .put("basePath", "/service/my-services")));
 
 Record record = HttpEndpoint.createRecord("myhttpClient", "localhost", "8000", "/");


    discovery.publish(record, ar -> {
      if (ar.succeeded() && null != ar.result()) {
        this.recordId = ar.result().getRegistration();
        fut.complete();
      } else {
        fut.fail("Unable to start service");
      }
    });
    discovery.close();

In the main I deploy my verticle as below

public static void main(String... args)  {
    Vertx vertx = Vertx.vertx();
 vertx.deployVerticle(new MyVerticle(), new DeploymentOptions(), ar -> {
 if (ar.succeeded) {
   // Succeeded codes
 }
 else {
   // Failure Handler
 }
 });
}

But this cause the service to stop abruptly when the main snippet vertx stops, I am running on a single threaded event loop. I don't have clusters so I cannot setHa in Deployment option to pass the verticle to other vertx.

What would be the ideal way to deploy a standalone service verticle? 

[Clement Escoffier]

Hi,

don’t close the discovery instance before you registered the service. So move the discovery.close() call in the callback.

Clement

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