java -jar zipkin-server-2.14.1-exec.jar

http://localhost:9411/zipkin/

<!--包含了sleuth+zipkin-->
<dependency>
  <groupId>org.springframework.cloud</groupId>
  <artifactId>spring-cloud-starter-zipkin</artifactId>
</dependency>

server:
  port: 8001

spring:
  application:
    name: cloud-payment-service
  datasource:
    type: com.alibaba.druid.pool.DruidDataSource            # 当前数据源操作类型
    driver-class-name: org.gjt.mm.mysql.Driver              # mysql驱动包
    url: jdbc:mysql://localhost:3306/my?useUnicode=true&characterEncoding=utf-8&useSSL=false
    username: root
    password: 123456
  zipkin: #<-------------------------------------关键
    base-url: http://localhost:9411
  sleuth: #<-------------------------------------关键
    sampler:
      #采样率值介于 0 到 1 之间，1 则表示全部采集
      probability: 1

eureka:
  client:
    #表示是否将自己注册进Eurekaserver默认为true。
    register-with-eureka: true
    #是否从EurekaServer抓取已有的注册信息，默认为true。单节点无所谓，集群必须设置为true才能配合ribbon使用负载均衡
    fetchRegistry: true
    service-url:
#      defaultZone: http://localhost:7001/eureka
        #将单一地址修改为多地址通过逗号分割
      defaultZone: http://eureka7001.com:7001/eureka, http://eureka7002.com:7002/eureka
  instance:
    instance-id: cloud-payment-service8001
    prefer-ip-address: true #添加此处
    #心跳检测与续约时间
    #开发时没置小些，保证服务关闭后注册中心能即使剔除服务
    #Eureka客户端向服务端发送心跳的时间间隔，单位为秒(默认是30秒)
    lease-renewal-interval-in-seconds: 1
    #Eureka服务端在收到最后一次心跳后等待时间上限，单位为秒(默认是90秒)，超时将剔除服务
    lease-expiration-duration-in-seconds: 2
mybatis:
  mapperLocations: classpath:mapper/*.xml
  type-aliases-package: com.dance.com.dance.springcloud.entities    # 所有Entity别名类所在包

@RestController
@Slf4j
public class PaymentController {
    
    .........

    @GetMapping("/payment/zipkin")
    public String paymentZipkin() {
        return "hi ,i'am paymentzipkin server fall back，welcome to here, O(∩_∩)O哈哈~";
    }
}

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

server:
  port: 80

spring:
  application:
    name: cloud-order-service
  zipkin:
    base-url: http://localhost:9411
  sleuth:
    sampler:
      probability: 1

eureka:
  client:
    #表示是否将自己注册进Eurekaserver默认为true。
    register-with-eureka: true
    #是否从EurekaServer抓取已有的注册信息，默认为true。单节点无所谓，集群必须设置为true才能配合ribbon使用负载均衡
    fetchRegistry: true
    service-url:
#      defaultZone: http://localhost:7001/eureka
      #将单一地址修改为多地址通过逗号分割
      defaultZone: http://eureka7001.com:7001/eureka, http://eureka7002.com:7002/eureka

// ====================> zipkin+sleuth
@GetMapping("/consumer/payment/zipkin")
public String paymentZipkin(){
    String result = restTemplate.getForObject("http://localhost:8001"+"/payment/zipkin/", String.class);
    return result;
}