Distributed Tracing with Spring Cloud Sleuth And Zipkin

Photo by Agence Olloweb on Unsplash


What is Distributed Tracing?

Key concepts of Distributed Tracing.

  • Trace Id
  • Span Id

Spring Boot Example With Spring Cloud Sleuth

public class Controller {

private static final Logger logger = LoggerFactory.getLogger(Controller.class);
private RestTemplate restTemplate;

private String applicationName;

public Controller(RestTemplate restTemplate) {
this.restTemplate = restTemplate;

public ResponseEntity path1() {

logger.info("Request at {} for request /path1 ", applicationName);
String response = restTemplate.getForObject("http://localhost:8090/service/path2", String.class); return ResponseEntity.ok("response from /path1 + "+ response);

public ResponseEntity path2(){
logger.info("Request at {} at /path2", applicationName); return ResponseEntity.ok("response from /path2 ");
public RestTemplate restTemplate(RestTemplateBuilder builder) {
return builder.build();
java -jar \
target/Distributed-Service-0.0.1-SNAPSHOT.jar \
--spring.application.name=Service-1 \
java -jar \
target/Distributed-Service-0.0.1-SNAPSHOT.jar \
--spring.application.name=Service-2 \
curl -i http://localhost:8080/service/path1
INFO [Service-1,222f3b00a283c75c,222f3b00a283c75c] 41114 --- [nio-8080-exec-1] c.a.p.distributedservice.Controller      : Incoming request at Service-1 for request /path1
INFO [Service-2,222f3b00a283c75c,13194db963293a22] 41052 --- [nio-8090-exec-1] c.a.p.distributedservice.Controller      : Incoming request at Service-2 at /path2

Visualizing Traces with Zipkin

version: "3.1"
image: openzipkin/zipkin:2
- "9411:9411"
baseUrl: http://localhost:9411
  • The first point refers to when the client from “Service 1” started the request
  • The second point is when “Service 2” started processing the request.
  • The third point is when the client on “Server 1” finished receiving the response.
  • And finally, the last point when “Server 2” finished.





Software Craftsman, Tech Enthusiast. I run https://refactorfirst.com to post all my articles

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Amrut Prabhu

Amrut Prabhu

Software Craftsman, Tech Enthusiast. I run https://refactorfirst.com to post all my articles

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