vertx / io.vertx.core / Launcher / handleDeployFailed

# handleDeployFailed

`open fun handleDeployFailed(vertx: Vertx, mainVerticle: String, deploymentOptions: DeploymentOptions, cause: Throwable): Unit`

A deployment failure has been encountered. You can override this method to customize the behavior. By default it closes the `vertx` instance.

### Parameters

`vertx` - the vert.x instance

`mainVerticle` - the verticle

`deploymentOptions` - the verticle deployment options

`cause` - the cause of the failure