Zuul Implementing WeightedResponseTimeRule Error - VIP address for client null is null - spring

Question

I'm encountering this VIP address null white implementing weightedResponseTimeRule for my Zuul gateway.
Did i do it correctly? implementing a config that will implement weightedRule.
I want to route my request to my 2 or more instance.
Error creating bean with name 'ribbonServerList' defined in org.springframework.cloud.netflix.ribbon.eureka.EurekaRibbonClientConfiguration: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.netflix.loadbalancer.ServerList]: Factory method 'ribbonServerList' threw exception; nested exception is java.lang.NullPointerException: VIP address for client null is null
Currently my Config for Ribbon
#Configuration
public class GatewayRibbonConfiguration {
#Bean
public IClientConfig ribbonClientConfig(){
return new DefaultClientConfigImpl();
}
#Bean
public IPing ribbonPing(IClientConfig config) {
return new PingUrl();
}
#Bean
public IRule ribbonRule(IClientConfig config) {
return new WeightedResponseTimeRule();
}
}
Application
#SpringBootApplication
#EnableDiscoveryClient
#EnableZuulProxy
public class GatewayApplication {
public static void main(String[] args) {
SpringApplication.run(GatewayApplication.class, args);
}
#Bean
public Prefilter prefilter(){
return new Prefilter();
}
}
bootstrap.yml
spring:
application:
name: gateway
eureka:
client:
serviceUrl:
defaultZone: http://localhost:8761/eureka/
my properties
server:
port: 8080
hystrix:
command:
default:
execution:
isolation:
thread:
timeoutInMilliseconds: 20000
ribbon:
ReadTimeout: 20000
ConnectTimeout: 20000
zuul:
prefix: /api
ignoredServices: '*'
host:
connect-timeout-millis: 20000
socket-timeout-millis: 20000
routes:
kicks-service:
path: /kicks/**
serviceId: kicks-service
stripPrefix: false
sensitiveHeaders:
kicks-inventory:
path: /inventory/**
serviceId: kicks-inventory
stripPrefix: false
sensitiveHeaders: