<dependencies>
    <dependency>
      <groupId>com.netflix.ribbon</groupId>
      <artifactId>ribbon-core</artifactId>
      <version>2.2.0</version>
    </dependency>

    <dependency>
      <groupId>com.netflix.ribbon</groupId>
      <artifactId>ribbon-httpclient</artifactId>
      <version>2.2.0</version>
    </dependency>
  </dependencies>

# Max number of retries  
sample-client.ribbon.MaxAutoRetries=1

# Max number of next servers to retry (excluding the first server) 
sample-client.ribbon.MaxAutoRetriesNextServer=1

# Whether all operations can be retried for this client 
sample-client.ribbon.OkToRetryOnAllOperations=true  

# Interval to refresh the server list from the source 
sample-client.ribbon.ServerListRefreshInterval=2000

# Connect timeout used by Apache HttpClient 
sample-client.ribbon.ConnectTimeout=3000

# Read timeout used by Apache HttpClient 
sample-client.ribbon.ReadTimeout=3000

# Initial list of servers, can be changed via Archaius dynamic property at runtime 
sample-client.ribbon.listOfServers=www.sohu.com:80,www.163.com:80,www.sina.com.cn:80

sample-client.ribbon.EnablePrimeConnections=true 

import java.net.URI;
import com.netflix.client.ClientFactory;
import com.netflix.client.http.HttpRequest;
import com.netflix.client.http.HttpResponse;
import com.netflix.config.ConfigurationManager;
import com.netflix.loadbalancer.ZoneAwareLoadBalancer;
import com.netflix.niws.client.http.RestClient;
public class RibbonMain {
  public static void main( String[] args ) throws Exception { 
    ConfigurationManager.loadPropertiesFromResources("sample-client.properties"); 
    System.out.println(ConfigurationManager.getConfigInstance().getProperty("sample-client.ribbon.listOfServers")); 
    RestClient client = (RestClient)ClientFactory.getNamedClient("sample-client"); 
    HttpRequest request = HttpRequest.newBuilder().uri(new URI("/")).build(); 
    for(int i = 0; i < 4; i ++) { 
      HttpResponse response = client.executeWithLoadBalancer(request); 
      System.out.println("Status for URI:" + response.getRequestedURI() + " is :" + response.getStatus()); 

    } 
    ZoneAwareLoadBalancer lb = (ZoneAwareLoadBalancer) client.getLoadBalancer(); 
    System.out.println(lb.getLoadBalancerStats()); 
    ConfigurationManager.getConfigInstance().setProperty("sample-client.ribbon.listOfServers", "ccblog.cn:80,www.linkedin.com:80"); 
    System.out.println("changing servers ..."); 
    Thread.sleep(3000); 
    for(int i = 0; i < 3; i ++) { 
      HttpResponse response = client.executeWithLoadBalancer(request); 
      System.out.println("Status for URI:" + response.getRequestedURI() + " is :" + response.getStatus()); 
    } 
    System.out.println(lb.getLoadBalancerStats()); 
  } 
} 

<parent>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-parent</artifactId>
  <version>1.4.3.RELEASE</version>
  <relativePath/> <!-- lookup parent from repository -->
</parent>
<dependencies>

  <dependency>
    <groupId>org.springframework.cloud</groupId>
    <artifactId>spring-cloud-starter-ribbon</artifactId>
  </dependency>

  <dependency>
    <groupId>org.springframework.cloud</groupId>
    <artifactId>spring-cloud-starter-eureka</artifactId>
  </dependency>

  <dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-web</artifactId>
  </dependency>

  <dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-test</artifactId>
    <scope>test</scope>
  </dependency>
</dependencies>

<dependencyManagement>
  <dependencies>
    <dependency>
    <groupId>org.springframework.cloud</groupId>
    <artifactId>spring-cloud-dependencies</artifactId>
    <version>Brixton.RELEASE</version>
    <type>pom</type>
    <scope>import</scope>
  </dependency>
  </dependencies>
</dependencyManagement> 

@SpringBootApplication
@EnableDiscoveryClient
public class RibbonApplication {
  @Bean
  @LoadBalanced
  RestTemplate restTemplate() {
    return new RestTemplate();

  }
  public static void main(String[] args) {
    SpringApplication.run(RibbonApplication.class, args);
  }
} 

@RestController
public class ConsumerController {
  @Autowired
  RestTemplate restTemplate;

  @RequestMapping(value = "/getuserinfo", method = RequestMethod.GET)
  public String add() {
    return restTemplate.getForEntity("http://biz-service-0/getuser", String.class).getBody();
  }

} 

spring.application.name=ribbon-consumer
server.port=8003
eureka.client.serviceUrl.defaultZone=http://localhost:8000/eureka/