vertx / io.vertx.reactivex.ext.web.api.contract / RouterFactory / setValidationFailureHandler

# setValidationFailureHandler

`abstract fun setValidationFailureHandler(handler: Handler<RoutingContext>): RouterFactory<Any>`

Deprecated. Instantiate io.vertx.ext.web.api.contract.RouterFactoryOptions and load it using `io.vertx.reactivex.ext.web.api.contract.RouterFactory#setOptions`

### Parameters

`handler` -

Return