Can't specify > 1 instances for already created verticle

[Lizhang Li]

Hi,

I'm wondering how to deploy multiple verticle with guice injected instances. Got this error "Can't specify > 1 instances for already created verticle" when deploying 

vertx.deployVerticle(

  injector.getInstance(Verticle.class),

  new DeploymentOptions().setInstnaces(2).setWorker(true), res -> {}

);

Seems only way to deploy multiple verticle is to specify classname. Anyone experienced this issue as well? Thanks.

[Abhishek Srinath]

Dont pass an instance - pass your verticle class name

[Tim Fox]

You've already created your instance. Vert.x can't magically turn one instance of a Java object into N instances.

[Roman Novikov]

How to passed additional params into verticle in this case? for example:

Verticle meVerticle = new MyVerticle(params);

[Clement Escoffier]

On 18 Dec 2016, at 08:29, Roman Novikov <myst...@gmail.com> wrote:

How to passed additional params into verticle in this case? for example:

Verticle meVerticle = new MyVerticle(params); 

You can’t set the number of instances if you pass an existing instance. Just use:

vertx.deployVerticle(MyVerticle.class.getName(), new DeploymentOptions().setInstances(4));

In this case, Vert.x instantiates 4 instances of your verticle using the default (no arg) constructor of your class.

Clement

On Sunday, September 25, 2016 at 10:45:23 PM UTC+3, Tim Fox wrote:

You've already created your instance. Vert.x can't magically turn one instance of a Java object into N instances.

On Friday, 29 January 2016 21:52:40 UTC, Lizhang Li wrote:

Hi,

I'm wondering how to deploy multiple verticle with guice injected instances. Got this error "Can't specify > 1 instances for already created verticle" when deploying 

vertx.deployVerticle(

  injector.getInstance(Verticle.class),

  new DeploymentOptions().setInstnaces(2).setWorker(true), res -> {}

);

Seems only way to deploy multiple verticle is to specify classname. Anyone experienced this issue as well? Thanks.

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[Roman Novikov]

but if I need to pass addition params to verticle how can I do this? Create static class for this purpose?

[Julien Viet]

Hi,

you need to use DeploymentOptions config JsonObject for configuring the verticles.

Julien

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