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Spring Cloud Netflix OSS + Tracing in Microservices with Sleuth + Zipkin

In this blog, we are going to understand the Microservices Distributed Tracing using Zipkin and Spring Cloud Sleuth framework. Lets take a look at a simple example having two microservices which use Spring Cloud Sleuth to trace a request.

In this working example we will learn the following features:

How we can programatically create spans?
How to set sampling rate?
How to Integrate Zipkin via HTTP?
Spring Boot RestTemplate integration.
Creating a custom filter that adds tags to the current span.

Table Of Contents

High Level Application Architecture

Here is the high level application’s architecture with Spring Cloud Sleuth and Zipkin UI integration.

Why do we need microservices distributed tracing?

Complex microservices architecture have downstream and upstream dependencies with other microservices and everything is interconnected. Most of the time individual team just focus on their own services, so in microservices distributed environment it’s very difficult to find any latency or trace the actual issues at runtime.

Note: Distributed tracing provides a holistic view of requests transiting through multiple services, allowing for immediate identification of issues.

What are Span, Trace and Tracers in distributed tracing methodology?

Span – A span is an individual operation.
Trace – A Trace is an end-to-end latency graph, composed of spans.
Tracers – Tracers records spans and passes context required to connect them into a trace.

What are Trace ID and Span ID?

Spring Cloud Sleuth adds two types of IDs to our logging trace ID and span ID.

The span ID represents a basic unit of work, for example sending an HTTP request.

The trace ID contains a set of span IDs, forming a tree-like structure. The trace ID will remain the same as one microservice calls the next.

2021-07-10 22:42:37.104  INFO [m1-microservice-sleuth,17d289509b6aea0,17d289509b6aea0,true] 13220 --- [nio-8080-exec-1] .m.s.r.SleuthCommonsRequestLoggingFilter : Before request [uri=/1007?port=8090]


The portion of the log statement that Sleuth adds is [m1-microservice-sleuth,17d289509b6aea0,17d289509b6aea0,true]

What do all these values mean?
The first part (m1-microservice-sleuth) is the application name (whatever we set spring.application.name to in application.yml).
The second value (17d289509b6aea0) is the trace ID.
The third value (17d289509b6aea0) is the span ID.
Finally the last value (true) indicates whether the span should be exported to Zipkin.

What is Zipkin? Where it fits in Microservices Architecture?

If we want to see timing information like how long a request took from one microservice to the next that is quite a pain to do yourself. But we have Zipkin tool that we can use for getting these information in a graphical form (GUI).
Basically, it collects tracing information and display on GUI.

Enable AlwaysSampler to sample our logs to be exported to Zipkin

In addition we need to tell our application how often we want to sample our logs to be exported to Zipkin. Since this is a demo, lets tell our application that we want to sample everything. We can do this by creating a bean for the AlwaysSampler. We need to add the following code to our @SpringBootApplication (m1-microservice-sleuth and m2-microservice-sleuth) classes.

@Bean
public AlwaysSampler defaultSampler() {
return new AlwaysSampler();
}

Spring Cloud Sleuth : Application Setup

High level Project Structure would be looked like as below.

Technology Stack

Java 8
Maven 3.5.0
Spring Boot
Eclipse
Spring Cloud Sleuth
Spring Cloud Zipkin
Spring Boot Rest API

Spring Cloud Zipkin Server : microservice-server-zipkin

Maven File (pom.xml)

Maven file (pom.xml) would be looked like as below.

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
	<modelVersion>4.0.0</modelVersion>

	<groupId>com.example</groupId>
	<artifactId>microservice-server-zipkin</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<packaging>jar</packaging>

	<name>microservice-server-zipkin</name>
	<description>Demo project for Spring Boot Zipkin</description>

	<parent>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-parent</artifactId>
		<version>1.4.0.RELEASE</version>
		<relativePath/> <!-- lookup parent from repository -->
	</parent>

	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
		<java.version>1.8</java.version>
	</properties>

	<dependencies>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter</artifactId>
		</dependency>
		<dependency>
			<groupId>io.zipkin.java</groupId>
			<artifactId>zipkin-server</artifactId>
		</dependency>

		<dependency>
			<groupId>io.zipkin.java</groupId>
			<artifactId>zipkin-autoconfigure-ui</artifactId>
			<scope>runtime</scope>
		</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.SR4</version>
				<type>pom</type>
				<scope>import</scope>
			</dependency>
		</dependencies>
	</dependencyManagement>

	<build>
		<plugins>
			<plugin>
				<groupId>org.springframework.boot</groupId>
				<artifactId>spring-boot-maven-plugin</artifactId>
			</plugin>
		</plugins>
	</build>
</project>

Application Configurations (application.yml)

Application’s port needs to be configured in application.yml

server:
  port: 9090

SpringBootApplication: ZipkinServerApplication.java

We need to enable ZipkinServer in SpringBootApplication class as below.

package com.the.basic.tech.info.microservice.server.zipkin;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import zipkin.server.EnableZipkinServer;

@EnableZipkinServer
@SpringBootApplication
public class ZipkinServerApplication {

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

Spring Cloud Sleuth Microservice : m1-microservice-sleuth

Maven File (pom.xml)

Maven file (pom.xml) would be looked like as below.

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>com.example</groupId>
    <artifactId>m1-microservice-sleuth</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>jar</packaging>

    <name>m1-microservice-sleuth</name>
    <description>Demo project for Spring Boot Sleuth M1</description>

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>1.4.0.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <java.version>1.8</java.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-sleuth</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-zipkin</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.SR4</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
        </dependencies>
    </dependencyManagement>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>
</project>

Application Configurations (application.yml)

Application’s port needs to be configured in application.yml

server:
  port: 8080


spring:
  application:
    name: m1-microservice-sleuth
  sleuth:
    sampler:
      percentage: 1
  zipkin:
    baseUrl: http://localhost:9090

logging:
  level:
    org.springframework.web.servlet.DispatcherServlet: DEBUG

SpringBootApplication: SleuthExampleServiceApplication.java

package com.the.basic.tech.info.m1.microservice.sleuth;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.sleuth.sampler.AlwaysSampler;
import org.springframework.context.annotation.Bean;

@SpringBootApplication
public class SleuthExampleServiceApplication {

	@Bean
	public AlwaysSampler defaultSampler() {
		return new AlwaysSampler();
	}

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

}

m1-microservice-sleuth: Config.java

We need to apply logging filter as below.

package com.the.basic.tech.info.m1.microservice.sleuth;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.sleuth.Tracer;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.client.RestTemplate;

import com.the.basic.tech.info.m1.microservice.sleuth.rest.SleuthCommonsRequestLoggingFilter;

import javax.servlet.Filter;


@Configuration
public class Config {

    @Bean
    RestTemplate getRestTemplate() {
        return new RestTemplate();
    }

    @Autowired
    private Tracer tracer;

    @Bean
    public Filter logFilter() {

        SleuthCommonsRequestLoggingFilter filter = new SleuthCommonsRequestLoggingFilter();

        filter.setIncludeQueryString(true);
        filter.setIncludePayload(true);
        filter.setMaxPayloadLength(5120);
        return filter;
    }
}

m1-microservice-sleuth: create spans, set sampling rate and creating a custom filter that adds tags to the current span and call via RestTemplate.

@RestController – HomeController

package com.the.basic.tech.info.m1.microservice.sleuth.rest;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.client.RestTemplate;

@RestController
public class HomeController {

    @Autowired
    private RestTemplate restTemplate;

    @RequestMapping("/{sleepInMillis}")
    public String callSleep(@RequestParam("port") int port, @PathVariable int sleepInMillis, @RequestParam(value = "message", defaultValue = "Good morning") String message) {

        SleepRequest sleepRequest = new SleepRequest(sleepInMillis, message);

        SleepResponse sleepResponse = restTemplate.postForObject("http://localhost:" + port + "/sleep", sleepRequest, SleepResponse.class);

        return "Service at port " + port + " was sleeping for : " + sleepInMillis + " until " + sleepResponse.getDate();

    }
}

@RestController – SleepController

package com.the.basic.tech.info.m1.microservice.sleuth.rest;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.sleuth.Span;
import org.springframework.cloud.sleuth.Tracer;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;

import java.util.Date;


@RestController
public class SleepController {

    private Logger logger = LoggerFactory.getLogger(SleepController.class);

    @Autowired
    private Tracer tracer;

    @RequestMapping(value = "/sleep", method = RequestMethod.POST)
    public SleepResponse sleep(@RequestBody SleepRequest sleepRequest) {

        logger.info(sleepRequest.getMessage());

        sleep(sleepRequest.getSleepInMillis() / 2);
        sleep(sleepRequest.getSleepInMillis() / 2);

        return new SleepResponse(sleepRequest.getMessage(), new Date());

    }

    private void sleep(int sleepInMillis) {

        Span span = tracer.createSpan("This span was created programmatically, sleep " + sleepInMillis);

        try {

            span.tag("sleepInMillis", "" + sleepInMillis);
            logger.info("sleepInMillis " + sleepInMillis);

            try {
                Thread.sleep(sleepInMillis);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }

        } finally {
            tracer.close(span);
        }

    }
}

SleepRequest

package com.the.basic.tech.info.m1.microservice.sleuth.rest;


public class SleepRequest {
    private int sleepInMillis;
    private String message;

    public SleepRequest() {
    }

    public SleepRequest(int sleepInMillis, String message) {
        this.sleepInMillis = sleepInMillis;
        this.message = message;
    }

    public int getSleepInMillis() {
        return sleepInMillis;
    }

    public void setSleepInMillis(int sleepInMillis) {
        this.sleepInMillis = sleepInMillis;
    }

    public String getMessage() {
        return message;
    }

    public void setMessage(String message) {
        this.message = message;
    }
}

SleepResponse

package com.the.basic.tech.info.m1.microservice.sleuth.rest;

import java.util.Date;


public class SleepResponse {
    private String message;
    private Date date;

    public SleepResponse() {
    }

    public SleepResponse(String message, Date date) {
        this.message = message;
        this.date = date;
    }

    public String getMessage() {
        return message;
    }

    public void setMessage(String message) {
        this.message = message;
    }

    public Date getDate() {
        return date;
    }

    public void setDate(Date date) {
        this.date = date;
    }
}

SleuthCommonsRequestLoggingFilter

In this class we are extending CommonsRequestLoggingFilter overriding beforeRequest, afterRequest and shouldLog methods of CommonsRequestLoggingFilter class.

package com.the.basic.tech.info.m1.microservice.sleuth.rest;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.sleuth.Tracer;
import org.springframework.web.filter.CommonsRequestLoggingFilter;

import javax.servlet.http.HttpServletRequest;


public class SleuthCommonsRequestLoggingFilter extends CommonsRequestLoggingFilter {

    @Autowired
    private Tracer tracer;

    @Override
    protected void beforeRequest(HttpServletRequest request, String message) {
        super.beforeRequest(request, message);
        logger.info(message);
    }

    @Override
    protected void afterRequest(HttpServletRequest request, String message) {
        super.afterRequest(request, message);
        tracer.getCurrentSpan().tag("request info", message);
        logger.info(message);
    }

    @Override
    protected boolean shouldLog(HttpServletRequest request) {
        return true;
    }
}

Spring Cloud Sleuth Microservice : m2-microservice-sleuth

This microservice is just the copy of microservice m1-microservice-sleuth with different service name and port.

Maven File (pom.xml)

Maven file (pom.xml) would be looked like as below.

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>com.example</groupId>
    <artifactId>m2-microservice-sleuth</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>jar</packaging>

    <name>m2-microservice-sleuth</name>
    <description>Demo project for Spring Boot Sleuth M2</description>

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>1.4.0.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <java.version>1.8</java.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-sleuth</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-zipkin</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.SR4</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
        </dependencies>
    </dependencyManagement>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>
</project>

Application Configurations (application.yml)

Application’s port needs to be configured in application.yml

server:
  port: 8090

spring:
  application:
    name: m2-microservice-sleuth
  sleuth:
    sampler:
      percentage: 1
  zipkin:
    baseUrl: http://localhost:9090

logging:
  level:
    org.springframework.web.servlet.DispatcherServlet: DEBUG

SpringBootApplication: SleuthExampleServiceApplication.java

package com.the.basic.tech.info.m2.microservice.sleuth;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.sleuth.sampler.AlwaysSampler;
import org.springframework.context.annotation.Bean;

@SpringBootApplication
public class SleuthExampleServiceApplication {

	@Bean
	public AlwaysSampler defaultSampler() {
		return new AlwaysSampler();
	}
	
    public static void main(String[] args) {
        SpringApplication.run(SleuthExampleServiceApplication.class, args);
    }

}

m2-microservice-sleuth: Config.java

We need to apply logging filter as below.

package com.the.basic.tech.info.m2.microservice.sleuth;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.sleuth.Tracer;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.client.RestTemplate;

import com.the.basic.tech.info.m2.microservice.sleuth.rest.SleuthCommonsRequestLoggingFilter;

import javax.servlet.Filter;


@Configuration
public class Config {

    @Bean
    RestTemplate getRestTemplate() {
        return new RestTemplate();
    }

    @Autowired
    private Tracer tracer;

    @Bean
    public Filter logFilter() {

        SleuthCommonsRequestLoggingFilter filter = new SleuthCommonsRequestLoggingFilter();

        filter.setIncludeQueryString(true);
        filter.setIncludePayload(true);
        filter.setMaxPayloadLength(5120);
        return filter;
    }
}

m2-microservice-sleuth: create spans, set sampling rate and creating a custom filter that adds tags to the current span and call via RestTemplate.

@RestController – HomeController

package com.the.basic.tech.info.m2.microservice.sleuth.rest;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.client.RestTemplate;

@RestController
public class HomeController {

    @Autowired
    private RestTemplate restTemplate;

    @RequestMapping("/{sleepInMillis}")
    public String callSleep(@RequestParam("port") int port, @PathVariable int sleepInMillis, @RequestParam(value = "message", defaultValue = "Good morning") String message) {

        SleepRequest sleepRequest = new SleepRequest(sleepInMillis, message);

        SleepResponse sleepResponse = restTemplate.postForObject("http://localhost:" + port + "/sleep", sleepRequest, SleepResponse.class);

        return "Service at port " + port + " was sleeping for : " + sleepInMillis + " until " + sleepResponse.getDate();

    }
}

@RestController – SleepController

package com.the.basic.tech.info.m2.microservice.sleuth.rest;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.sleuth.Span;
import org.springframework.cloud.sleuth.Tracer;
import org.springframework.web.bind.annotation.*;

import java.util.Date;


@RestController
public class SleepController {

    private Logger logger = LoggerFactory.getLogger(SleepController.class);

    @Autowired
    private Tracer tracer;

    @RequestMapping(value = "/sleep", method = RequestMethod.POST)
    public SleepResponse sleep(@RequestBody SleepRequest sleepRequest) {

        logger.info(sleepRequest.getMessage());

        sleep(sleepRequest.getSleepInMillis() / 2);
        sleep(sleepRequest.getSleepInMillis() / 2);

        return new SleepResponse(sleepRequest.getMessage(), new Date());

    }

    private void sleep(int sleepInMillis) {

        Span span = tracer.createSpan("This span was created programmatically, sleep " + sleepInMillis);

        try {

            span.tag("sleepInMillis", "" + sleepInMillis);
            logger.info("sleepInMillis " + sleepInMillis);

            try {
                Thread.sleep(sleepInMillis);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }

        } finally {
            tracer.close(span);
        }

    }

}

SleepRequest

package com.the.basic.tech.info.m2.microservice.sleuth.rest;


public class SleepRequest {
    private int sleepInMillis;
    private String message;

    public SleepRequest() {
    }

    public SleepRequest(int sleepInMillis, String message) {
        this.sleepInMillis = sleepInMillis;
        this.message = message;
    }

    public int getSleepInMillis() {
        return sleepInMillis;
    }

    public void setSleepInMillis(int sleepInMillis) {
        this.sleepInMillis = sleepInMillis;
    }

    public String getMessage() {
        return message;
    }

    public void setMessage(String message) {
        this.message = message;
    }
}

SleepResponse

package com.the.basic.tech.info.m2.microservice.sleuth.rest;

import java.util.Date;


public class SleepResponse {
    private String message;
    private Date date;

    public SleepResponse() {
    }

    public SleepResponse(String message, Date date) {
        this.message = message;
        this.date = date;
    }

    public String getMessage() {
        return message;
    }

    public void setMessage(String message) {
        this.message = message;
    }

    public Date getDate() {
        return date;
    }

    public void setDate(Date date) {
        this.date = date;
    }
}

SleuthCommonsRequestLoggingFilter

In this class we are extending CommonsRequestLoggingFilter overriding beforeRequest, afterRequest and shouldLog methods of CommonsRequestLoggingFilter class.

package com.the.basic.tech.info.m2.microservice.sleuth.rest;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.sleuth.Tracer;
import org.springframework.web.filter.CommonsRequestLoggingFilter;

import javax.servlet.http.HttpServletRequest;

public class SleuthCommonsRequestLoggingFilter extends CommonsRequestLoggingFilter {

    @Autowired
    private Tracer tracer;

    @Override
    protected void beforeRequest(HttpServletRequest request, String message) {
        super.beforeRequest(request, message);
        logger.info(message);
    }

    @Override
    protected void afterRequest(HttpServletRequest request, String message) {
        super.afterRequest(request, message);
        tracer.getCurrentSpan().tag("request info", message);
        logger.info(message);
    }

    @Override
    protected boolean shouldLog(HttpServletRequest request) {
        return true;
    }
}

Applications (microservices) Deploy, Run & Test

Start Zipkin Server : microservice-server-zipkin

Execute below maven command: mvn spring-boot:run

D:\development\spring-cloud-sleuth-zipkin\microservice-server-zipkin>mvn spring-boot:run
[INFO] Scanning for projects...
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building microservice-server-zipkin 0.0.1-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] >>> spring-boot-maven-plugin:1.4.0.RELEASE:run (default-cli) > test-compile @ microservice-server-zipkin >>>
[INFO]
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ microservice-server-zipkin ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 1 resource
[INFO] Copying 0 resource
[INFO]
[INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ microservice-server-zipkin ---
[INFO] Nothing to compile - all classes are up to date
[INFO]
[INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) @ microservice-server-zipkin ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory D:\development\spring-cloud-sleuth-zipkin\microservice-server-zipkin\src\test\resources
[INFO]
[INFO] --- maven-compiler-plugin:3.1:testCompile (default-testCompile) @ microservice-server-zipkin ---
[INFO] Nothing to compile - all classes are up to date
[INFO]
[INFO] <<< spring-boot-maven-plugin:1.4.0.RELEASE:run (default-cli) < test-compile @ microservice-server-zipkin <<<
[INFO]
[INFO]
[INFO] --- spring-boot-maven-plugin:1.4.0.RELEASE:run (default-cli) @ microservice-server-zipkin ---

  .   ____          _            __ _ _
 /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
 \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
  '  |____| .__|_| |_|_| |_\__, | / / / /
 =========|_|==============|___/=/_/_/_/
 :: Spring Boot ::        (v1.4.0.RELEASE)

2021-07-10 22:16:54.779  INFO 26252 --- [           main] c.t.b.t.i.m.s.z.ZipkinServerApplication  : Starting ZipkinServerApplication on LOCALHOST with PID 26252 (D:\development\spring-cloud-sleuth-zipkin\microservice-server-zipkin\target\classes started by 172025 in D:\development\spring-cloud-sleuth-zipkin\microservice-server-zipkin)
2021-07-10 22:16:54.788  INFO 26252 --- [           main] c.t.b.t.i.m.s.z.ZipkinServerApplication  : No active profile set, falling back to default profiles: default
2021-07-10 22:16:54.919  INFO 26252 --- [           main] ationConfigEmbeddedWebApplicationContext : Refreshing org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@1dee1218: startup date [Sat Jul 10 22:16:54 IST 2021]; root of context hierarchy
2021-07-10 22:16:56.373  INFO 26252 --- [           main] o.s.b.f.s.DefaultListableBeanFactory     : Overriding bean definition for bean 'characterEncodingFilter' with a different definition: replacing [Root bean: class [null]; scope=; abstract=false; lazyInit=false; autowireMode=3; dependencyCheck=0; autowireCandidate=true; primary=false; factoryBeanName=org.springframework.boot.autoconfigure.web.HttpEncodingAutoConfiguration; factoryMethodName=characterEncodingFilter; initMethodName=null; destroyMethodName=(inferred); defined in class path resource [org/springframework/boot/autoconfigure/web/HttpEncodingAutoConfiguration.class]] with [Root bean: class [null]; scope=; abstract=false; lazyInit=false; autowireMode=3; dependencyCheck=0; autowireCandidate=true; primary=false; factoryBeanName=zipkin.autoconfigure.ui.ZipkinUiAutoConfiguration; factoryMethodName=characterEncodingFilter; initMethodName=null; destroyMethodName=(inferred); defined in class path resource [zipkin/autoconfigure/ui/ZipkinUiAutoConfiguration.class]]
2021-07-10 22:16:58.645  INFO 26252 --- [           main] s.b.c.e.t.TomcatEmbeddedServletContainer : Tomcat initialized with port(s): 9090 (http)
2021-07-10 22:16:58.675  INFO 26252 --- [           main] o.apache.catalina.core.StandardService   : Starting service Tomcat
2021-07-10 22:16:58.680  INFO 26252 --- [           main] org.apache.catalina.core.StandardEngine  : Starting Servlet Engine: Apache Tomcat/8.5.4
2021-07-10 22:16:58.852  INFO 26252 --- [ost-startStop-1] o.a.c.c.C.[Tomcat].[localhost].[/]       : Initializing Spring embedded WebApplicationContext
2021-07-10 22:16:58.854  INFO 26252 --- [ost-startStop-1] o.s.web.context.ContextLoader            : Root WebApplicationContext: initialization completed in 3945 ms
2021-07-10 22:16:59.354  INFO 26252 --- [ost-startStop-1] o.s.b.w.servlet.ServletRegistrationBean  : Mapping servlet: 'dispatcherServlet' to [/]
2021-07-10 22:16:59.361  INFO 26252 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'metricFilter' to: [/*]
2021-07-10 22:16:59.363  INFO 26252 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'hiddenHttpMethodFilter' to: [/*]
2021-07-10 22:16:59.368  INFO 26252 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'httpPutFormContentFilter' to: [/*]
2021-07-10 22:16:59.371  INFO 26252 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'requestContextFilter' to: [/*]
2021-07-10 22:16:59.376  INFO 26252 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'webRequestLoggingFilter' to: [/*]
2021-07-10 22:16:59.382  INFO 26252 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'applicationContextIdFilter' to: [/*]
2021-07-10 22:16:59.384  INFO 26252 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'characterEncodingFilter' to: [/*]
2021-07-10 22:16:59.961  INFO 26252 --- [           main] s.w.s.m.m.a.RequestMappingHandlerAdapter : Looking for @ControllerAdvice: org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@1dee1218: startup date [Sat Jul 10 22:16:54 IST 2021]; root of context hierarchy
2021-07-10 22:17:00.191  INFO 26252 --- [           main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/api/v1/dependencies],methods=[GET],produces=[application/json]}" onto public byte[] zipkin.server.ZipkinQueryApiV1.getDependencies(long,java.lang.Long)
2021-07-10 22:17:00.197  INFO 26252 --- [           main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/api/v1/trace/{traceId}],methods=[GET],produces=[application/json]}" onto public byte[] zipkin.server.ZipkinQueryApiV1.getTrace(java.lang.String,org.springframework.web.context.request.WebRequest)
2021-07-10 22:17:00.200  INFO 26252 --- [           main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/api/v1/services],methods=[GET]}" onto public org.springframework.http.ResponseEntity<java.util.List<java.lang.String>> zipkin.server.ZipkinQueryApiV1.getServiceNames()
2021-07-10 22:17:00.217  INFO 26252 --- [           main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/api/v1/traces],methods=[GET],produces=[application/json]}" onto public byte[] zipkin.server.ZipkinQueryApiV1.getTraces(java.lang.String,java.lang.String,java.lang.String,java.lang.Long,java.lang.Long,java.lang.Long,java.lang.Long,java.lang.Integer)
2021-07-10 22:17:00.232  INFO 26252 --- [           main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/api/v1/spans],methods=[GET]}" onto public org.springframework.http.ResponseEntity<java.util.List<java.lang.String>> zipkin.server.ZipkinQueryApiV1.getSpanNames(java.lang.String)
2021-07-10 22:17:00.237  INFO 26252 --- [           main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/api/v1/spans],methods=[POST],consumes=[application/x-thrift]}" onto public org.springframework.web.context.request.async.DeferredResult<org.springframework.http.ResponseEntity<?>> zipkin.server.ZipkinHttpCollector.uploadSpansThrift(java.lang.String,byte[])
2021-07-10 22:17:00.251  INFO 26252 --- [           main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/api/v1/spans],methods=[POST]}" onto public org.springframework.web.context.request.async.DeferredResult<org.springframework.http.ResponseEntity<?>> zipkin.server.ZipkinHttpCollector.uploadSpansJson(java.lang.String,byte[])
2021-07-10 22:17:00.262  INFO 26252 --- [           main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error]}" onto public org.springframework.http.ResponseEntity<java.util.Map<java.lang.String, java.lang.Object>> org.springframework.boot.autoconfigure.web.BasicErrorController.error(javax.servlet.http.HttpServletRequest)
2021-07-10 22:17:00.265  INFO 26252 --- [           main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error],produces=[text/html]}" onto public org.springframework.web.servlet.ModelAndView org.springframework.boot.autoconfigure.web.BasicErrorController.errorHtml(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse)
2021-07-10 22:17:00.294  INFO 26252 --- [           main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/ || /traces/{id} || /dependency],methods=[GET]}" onto public org.springframework.web.servlet.ModelAndView zipkin.autoconfigure.ui.ZipkinUiAutoConfiguration.forwardUiEndpoints(org.springframework.ui.ModelMap)
2021-07-10 22:17:00.299  INFO 26252 --- [           main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/index.html],methods=[GET]}" onto public org.springframework.http.ResponseEntity<org.springframework.core.io.Resource> zipkin.autoconfigure.ui.ZipkinUiAutoConfiguration.serveIndex()
2021-07-10 22:17:00.303  INFO 26252 --- [           main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/config.json],methods=[GET],produces=[application/json]}" onto public org.springframework.http.ResponseEntity<zipkin.autoconfigure.ui.ZipkinUiProperties> zipkin.autoconfigure.ui.ZipkinUiAutoConfiguration.serveUiConfig()
2021-07-10 22:17:00.387  INFO 26252 --- [           main] o.s.w.s.handler.SimpleUrlHandlerMapping  : Mapped URL path [/webjars/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2021-07-10 22:17:00.395  INFO 26252 --- [           main] o.s.w.s.handler.SimpleUrlHandlerMapping  : Mapped URL path [/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2021-07-10 22:17:00.471  INFO 26252 --- [           main] o.s.w.s.handler.SimpleUrlHandlerMapping  : Mapped URL path [/**/favicon.ico] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2021-07-10 22:17:00.987  INFO 26252 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/env/{name:.*}],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EnvironmentMvcEndpoint.value(java.lang.String)
2021-07-10 22:17:00.996  INFO 26252 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/env || /env.json],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EndpointMvcAdapter.invoke()
2021-07-10 22:17:01.008  INFO 26252 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/autoconfig || /autoconfig.json],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EndpointMvcAdapter.invoke()
2021-07-10 22:17:01.028  INFO 26252 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/configprops || /configprops.json],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EndpointMvcAdapter.invoke()
2021-07-10 22:17:01.060  INFO 26252 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/info || /info.json],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EndpointMvcAdapter.invoke()
2021-07-10 22:17:01.087  INFO 26252 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/trace || /trace.json],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EndpointMvcAdapter.invoke()
2021-07-10 22:17:01.096  INFO 26252 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/health || /health.json],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.HealthMvcEndpoint.invoke(java.security.Principal)
2021-07-10 22:17:01.104  INFO 26252 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/heapdump || /heapdump.json],methods=[GET],produces=[application/octet-stream]}" onto public void org.springframework.boot.actuate.endpoint.mvc.HeapdumpMvcEndpoint.invoke(boolean,javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse) throws java.io.IOException,javax.servlet.ServletException
2021-07-10 22:17:01.129  INFO 26252 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/metrics/{name:.*}],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.MetricsMvcEndpoint.value(java.lang.String)
2021-07-10 22:17:01.132  INFO 26252 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/metrics || /metrics.json],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EndpointMvcAdapter.invoke()
2021-07-10 22:17:01.151  INFO 26252 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/mappings || /mappings.json],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EndpointMvcAdapter.invoke()
2021-07-10 22:17:01.165  INFO 26252 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/beans || /beans.json],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EndpointMvcAdapter.invoke()
2021-07-10 22:17:01.173  INFO 26252 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/dump || /dump.json],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EndpointMvcAdapter.invoke()
2021-07-10 22:17:01.358  INFO 26252 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Registering beans for JMX exposure on startup
2021-07-10 22:17:01.380  INFO 26252 --- [           main] o.s.c.support.DefaultLifecycleProcessor  : Starting beans in phase 0
2021-07-10 22:17:01.754  INFO 26252 --- [           main] s.b.c.e.t.TomcatEmbeddedServletContainer : Tomcat started on port(s): 9090 (http)
2021-07-10 22:17:01.770  INFO 26252 --- [           main] c.t.b.t.i.m.s.z.ZipkinServerApplication  : Started ZipkinServerApplication in 8.312 seconds (JVM running for 18.03)
2021-07-10 22:18:59.235  INFO 26252 --- [nio-9090-exec-2] o.a.c.c.C.[Tomcat].[localhost].[/]       : Initializing Spring FrameworkServlet 'dispatcherServlet'
2021-07-10 22:18:59.239  INFO 26252 --- [nio-9090-exec-2] o.s.web.servlet.DispatcherServlet        : FrameworkServlet 'dispatcherServlet': initialization started
2021-07-10 22:18:59.354  INFO 26252 --- [nio-9090-exec-2] o.s.web.servlet.DispatcherServlet        : FrameworkServlet 'dispatcherServlet': initialization completed in 110 ms

Start Microservice (m1) : m1-microservice-sleuth

Execute below maven command: mvn spring-boot:run

D:\development\spring-cloud-sleuth-zipkin\m1-microservice-sleuth>mvn spring-boot:run
[INFO] Scanning for projects...
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building m1-microservice-sleuth 0.0.1-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] >>> spring-boot-maven-plugin:1.4.0.RELEASE:run (default-cli) > test-compile @ m1-microservice-sleuth >>>
[INFO]
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ m1-microservice-sleuth ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 1 resource
[INFO] Copying 0 resource
[INFO]
[INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ m1-microservice-sleuth ---
[INFO] Nothing to compile - all classes are up to date
[INFO]
[INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) @ m1-microservice-sleuth ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory D:\development\spring-cloud-sleuth-zipkin\m1-microservice-sleuth\src\test\resources
[INFO]
[INFO] --- maven-compiler-plugin:3.1:testCompile (default-testCompile) @ m1-microservice-sleuth ---
[INFO] Nothing to compile - all classes are up to date
[INFO]
[INFO] <<< spring-boot-maven-plugin:1.4.0.RELEASE:run (default-cli) < test-compile @ m1-microservice-sleuth <<<
[INFO]
[INFO]
[INFO] --- spring-boot-maven-plugin:1.4.0.RELEASE:run (default-cli) @ m1-microservice-sleuth ---
2021-07-10 22:40:37.199  INFO [bootstrap,,,] 13220 --- [           main] s.c.a.AnnotationConfigApplicationContext : Refreshing org.springframework.context.annotation.AnnotationConfigApplicationContext@1eec5dfe: startup date [Sat Jul 10 22:40:37 IST 2021]; root of context hierarchy
2021-07-10 22:40:38.016  INFO [bootstrap,,,] 13220 --- [           main] trationDelegate$BeanPostProcessorChecker : Bean 'configurationPropertiesRebinderAutoConfiguration' of type [class org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$20254c04] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)

  .   ____          _            __ _ _
 /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
 \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
  '  |____| .__|_| |_|_| |_\__, | / / / /
 =========|_|==============|___/=/_/_/_/
 :: Spring Boot ::        (v1.4.0.RELEASE)

2021-07-10 22:40:42.388  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] .i.m.m.s.SleuthExampleServiceApplication : No active profile set, falling back to default profiles: default
2021-07-10 22:40:42.423  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] ationConfigEmbeddedWebApplicationContext : Refreshing org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@3c30f635: startup date [Sat Jul 10 22:40:42 IST 2021]; parent: org.springframework.context.annotation.AnnotationConfigApplicationContext@1eec5dfe
2021-07-10 22:40:44.679  WARN [m1-microservice-sleuth,,,] 13220 --- [           main] o.s.c.a.ConfigurationClassPostProcessor  : Cannot enhance @Configuration bean definition 'refreshScope' since its singleton instance has been created too early. The typical cause is a non-static @Bean method with a BeanDefinitionRegistryPostProcessor return type: Consider declaring such methods as 'static'.
2021-07-10 22:40:45.158  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] o.s.cloud.context.scope.GenericScope     : BeanFactory id=754990fa-415c-3d8d-8f71-d70c19550f9e
2021-07-10 22:40:45.305  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] trationDelegate$BeanPostProcessorChecker : Bean 'org.springframework.cloud.sleuth.instrument.async.AsyncDefaultAutoConfiguration$DefaultAsyncConfigurerSupport' of type [class org.springframework.cloud.sleuth.instrument.async.AsyncDefaultAutoConfiguration$DefaultAsyncConfigurerSupport$$EnhancerBySpringCGLIB$$414ce6ca] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
2021-07-10 22:40:46.059  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] trationDelegate$BeanPostProcessorChecker : Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [class org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$20254c04] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
2021-07-10 22:40:49.425  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] s.b.c.e.t.TomcatEmbeddedServletContainer : Tomcat initialized with port(s): 8080 (http)
2021-07-10 22:40:49.450  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] o.apache.catalina.core.StandardService   : Starting service Tomcat
2021-07-10 22:40:49.454  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] org.apache.catalina.core.StandardEngine  : Starting Servlet Engine: Apache Tomcat/8.5.4
2021-07-10 22:40:49.633  INFO [m1-microservice-sleuth,,,] 13220 --- [ost-startStop-1] o.a.c.c.C.[Tomcat].[localhost].[/]       : Initializing Spring embedded WebApplicationContext
2021-07-10 22:40:49.647  INFO [m1-microservice-sleuth,,,] 13220 --- [ost-startStop-1] o.s.web.context.ContextLoader            : Root WebApplicationContext: initialization completed in 7224 ms
2021-07-10 22:40:52.489  INFO [m1-microservice-sleuth,,,] 13220 --- [ost-startStop-1] o.s.b.w.servlet.ServletRegistrationBean  : Mapping servlet: 'dispatcherServlet' to [/]
2021-07-10 22:40:52.506  INFO [m1-microservice-sleuth,,,] 13220 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'metricFilter' to: [/*]
2021-07-10 22:40:52.514  INFO [m1-microservice-sleuth,,,] 13220 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'characterEncodingFilter' to: [/*]
2021-07-10 22:40:52.515  INFO [m1-microservice-sleuth,,,] 13220 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'hiddenHttpMethodFilter' to: [/*]
2021-07-10 22:40:52.523  INFO [m1-microservice-sleuth,,,] 13220 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'httpPutFormContentFilter' to: [/*]
2021-07-10 22:40:52.532  INFO [m1-microservice-sleuth,,,] 13220 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'requestContextFilter' to: [/*]
2021-07-10 22:40:52.533  INFO [m1-microservice-sleuth,,,] 13220 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'webRequestLoggingFilter' to: [/*]
2021-07-10 22:40:52.534  INFO [m1-microservice-sleuth,,,] 13220 --- [ost-startStop-1] o.s.b.c.embedded.FilterRegistrationBean  : Mapping filter: 'traceFilter' to: [/*]
2021-07-10 22:40:52.535  INFO [m1-microservice-sleuth,,,] 13220 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'logFilter' to: [/*]
2021-07-10 22:40:52.536  INFO [m1-microservice-sleuth,,,] 13220 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'applicationContextIdFilter' to: [/*]
2021-07-10 22:40:56.986  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] s.w.s.m.m.a.RequestMappingHandlerAdapter : Looking for @ControllerAdvice: org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@3c30f635: startup date [Sat Jul 10 22:40:42 IST 2021]; parent: org.springframework.context.annotation.AnnotationConfigApplicationContext@1eec5dfe
2021-07-10 22:40:57.342  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/{sleepInMillis}]}" onto public java.lang.String com.the.basic.tech.info.m1.microservice.sleuth.rest.HomeController.callSleep(int,int,java.lang.String)
2021-07-10 22:40:57.349  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/sleep],methods=[POST]}" onto public com.the.basic.tech.info.m1.microservice.sleuth.rest.SleepResponse com.the.basic.tech.info.m1.microservice.sleuth.rest.SleepController.sleep(com.the.basic.tech.info.m1.microservice.sleuth.rest.SleepRequest)
2021-07-10 22:40:57.357  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error]}" onto public org.springframework.http.ResponseEntity<java.util.Map<java.lang.String, java.lang.Object>> org.springframework.boot.autoconfigure.web.BasicErrorController.error(javax.servlet.http.HttpServletRequest)
2021-07-10 22:40:57.363  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error],produces=[text/html]}" onto public org.springframework.web.servlet.ModelAndView org.springframework.boot.autoconfigure.web.BasicErrorController.errorHtml(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse)
2021-07-10 22:40:57.676  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] o.s.w.s.handler.SimpleUrlHandlerMapping  : Mapped URL path [/webjars/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2021-07-10 22:40:57.772  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] o.s.w.s.handler.SimpleUrlHandlerMapping  : Mapped URL path [/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2021-07-10 22:40:57.942  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] o.s.w.s.handler.SimpleUrlHandlerMapping  : Mapped URL path [/**/favicon.ico] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2021-07-10 22:40:59.934  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/configprops || /configprops.json],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EndpointMvcAdapter.invoke()
2021-07-10 22:41:00.327  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/restart || /restart.json],methods=[POST]}" onto public java.lang.Object org.springframework.cloud.context.restart.RestartMvcEndpoint.invoke()
2021-07-10 22:41:00.557  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/resume || /resume.json],methods=[POST]}" onto public java.lang.Object org.springframework.cloud.endpoint.GenericPostableMvcEndpoint.invoke()
2021-07-10 22:41:00.690  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/metrics/{name:.*}],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.MetricsMvcEndpoint.value(java.lang.String)
2021-07-10 22:41:00.808  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/metrics || /metrics.json],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EndpointMvcAdapter.invoke()
2021-07-10 22:41:00.867  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/autoconfig || /autoconfig.json],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EndpointMvcAdapter.invoke()
2021-07-10 22:41:00.948  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/env/{name:.*}],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EnvironmentMvcEndpoint.value(java.lang.String)
2021-07-10 22:41:00.988  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/env || /env.json],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EndpointMvcAdapter.invoke()
2021-07-10 22:41:01.000  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/heapdump || /heapdump.json],methods=[GET],produces=[application/octet-stream]}" onto public void org.springframework.boot.actuate.endpoint.mvc.HeapdumpMvcEndpoint.invoke(boolean,javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse) throws java.io.IOException,javax.servlet.ServletException
2021-07-10 22:41:01.030  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/health || /health.json],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.HealthMvcEndpoint.invoke(java.security.Principal)
2021-07-10 22:41:01.051  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/beans || /beans.json],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EndpointMvcAdapter.invoke()
2021-07-10 22:41:01.064  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/dump || /dump.json],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EndpointMvcAdapter.invoke()
2021-07-10 22:41:01.070  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/pause || /pause.json],methods=[POST]}" onto public java.lang.Object org.springframework.cloud.endpoint.GenericPostableMvcEndpoint.invoke()
2021-07-10 22:41:01.083  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/env],methods=[POST]}" onto public java.lang.Object org.springframework.cloud.context.environment.EnvironmentManagerMvcEndpoint.value(java.util.Map<java.lang.String, java.lang.String>)
2021-07-10 22:41:01.087  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/env/reset],methods=[POST]}" onto public java.util.Map<java.lang.String, java.lang.Object> org.springframework.cloud.context.environment.EnvironmentManagerMvcEndpoint.reset()
2021-07-10 22:41:01.101  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/trace || /trace.json],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EndpointMvcAdapter.invoke()
2021-07-10 22:41:01.108  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/refresh || /refresh.json],methods=[POST]}" onto public java.lang.Object org.springframework.cloud.endpoint.GenericPostableMvcEndpoint.invoke()
2021-07-10 22:41:01.119  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/mappings || /mappings.json],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EndpointMvcAdapter.invoke()
2021-07-10 22:41:01.129  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/info || /info.json],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EndpointMvcAdapter.invoke()
2021-07-10 22:41:01.577  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] o.s.s.c.ThreadPoolTaskScheduler          : Initializing ExecutorService
2021-07-10 22:41:02.251  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Registering beans for JMX exposure on startup
2021-07-10 22:41:02.365  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Bean with name 'configurationPropertiesRebinder' has been autodetected for JMX exposure
2021-07-10 22:41:02.436  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Bean with name 'refreshEndpoint' has been autodetected for JMX exposure
2021-07-10 22:41:02.524  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Bean with name 'restartEndpoint' has been autodetected for JMX exposure
2021-07-10 22:41:02.707  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Bean with name 'refreshScope' has been autodetected for JMX exposure
2021-07-10 22:41:02.771  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Bean with name 'environmentManager' has been autodetected for JMX exposure
2021-07-10 22:41:02.881  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Located managed bean 'environmentManager': registering with JMX server as MBean [org.springframework.cloud.context.environment:name=environmentManager,type=EnvironmentManager]
2021-07-10 22:41:03.212  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Located managed bean 'restartEndpoint': registering with JMX server as MBean [org.springframework.cloud.context.restart:name=restartEndpoint,type=RestartEndpoint]
2021-07-10 22:41:03.519  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Located managed bean 'refreshScope': registering with JMX server as MBean [org.springframework.cloud.context.scope.refresh:name=refreshScope,type=RefreshScope]
2021-07-10 22:41:04.382  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Located managed bean 'configurationPropertiesRebinder': registering with JMX server as MBean [org.springframework.cloud.context.properties:name=configurationPropertiesRebinder,context=3c30f635,type=ConfigurationPropertiesRebinder]
2021-07-10 22:41:04.500  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Located managed bean 'refreshEndpoint': registering with JMX server as MBean [org.springframework.cloud.endpoint:name=refreshEndpoint,type=RefreshEndpoint]
2021-07-10 22:41:05.205  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] o.s.c.support.DefaultLifecycleProcessor  : Starting beans in phase 0
2021-07-10 22:41:06.417  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] s.b.c.e.t.TomcatEmbeddedServletContainer : Tomcat started on port(s): 8080 (http)
2021-07-10 22:41:06.610  INFO [m1-microservice-sleuth,,,] 13220 --- [           main] .i.m.m.s.SleuthExampleServiceApplication : Started SleuthExampleServiceApplication in 33.372 seconds (JVM running for 44.531)

Start Microservice (m2) : m2-microservice-sleuth

Execute below maven command: mvn spring-boot:run

D:\development\spring-cloud-sleuth-zipkin\m2-microservice-sleuth>mvn spring-boot:run
[INFO] Scanning for projects...
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building m2-microservice-sleuth 0.0.1-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] >>> spring-boot-maven-plugin:1.4.0.RELEASE:run (default-cli) > test-compile @ m2-microservice-sleuth >>>
[INFO]
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ m2-microservice-sleuth ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 1 resource
[INFO] Copying 0 resource
[INFO]
[INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ m2-microservice-sleuth ---
[INFO] Nothing to compile - all classes are up to date
[INFO]
[INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) @ m2-microservice-sleuth ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory D:\development\spring-cloud-sleuth-zipkin\m2-microservice-sleuth\src\test\resources
[INFO]
[INFO] --- maven-compiler-plugin:3.1:testCompile (default-testCompile) @ m2-microservice-sleuth ---
[INFO] Nothing to compile - all classes are up to date
[INFO]
[INFO] <<< spring-boot-maven-plugin:1.4.0.RELEASE:run (default-cli) < test-compile @ m2-microservice-sleuth <<<
[INFO]
[INFO]
[INFO] --- spring-boot-maven-plugin:1.4.0.RELEASE:run (default-cli) @ m2-microservice-sleuth ---
2021-07-10 22:40:53.820  INFO [bootstrap,,,] 8528 --- [           main] s.c.a.AnnotationConfigApplicationContext : Refreshing org.springframework.context.annotation.AnnotationConfigApplicationContext@6f580081: startup date [Sat Jul 10 22:40:53 IST 2021]; root of context hierarchy
2021-07-10 22:40:55.296  INFO [bootstrap,,,] 8528 --- [           main] trationDelegate$BeanPostProcessorChecker : Bean 'configurationPropertiesRebinderAutoConfiguration' of type [class org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$863154f6] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)

  .   ____          _            __ _ _
 /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
 \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
  '  |____| .__|_| |_|_| |_\__, | / / / /
 =========|_|==============|___/=/_/_/_/
 :: Spring Boot ::        (v1.4.0.RELEASE)

2021-07-10 22:41:02.537  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] .i.m.m.s.SleuthExampleServiceApplication : No active profile set, falling back to default profiles: default
2021-07-10 22:41:02.575  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] ationConfigEmbeddedWebApplicationContext : Refreshing org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@7b2d943a: startup date [Sat Jul 10 22:41:02 IST 2021]; parent: org.springframework.context.annotation.AnnotationConfigApplicationContext@6f580081
2021-07-10 22:41:06.795  WARN [m2-microservice-sleuth,,,] 8528 --- [           main] o.s.c.a.ConfigurationClassPostProcessor  : Cannot enhance @Configuration bean definition 'refreshScope' since its singleton instance has been created too early. The typical cause is a non-static @Bean method with a BeanDefinitionRegistryPostProcessor return type: Consider declaring such methods as 'static'.
2021-07-10 22:41:07.550  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] o.s.cloud.context.scope.GenericScope     : BeanFactory id=754990fa-415c-3d8d-8f71-d70c19550f9e
2021-07-10 22:41:07.856  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] trationDelegate$BeanPostProcessorChecker : Bean 'org.springframework.cloud.sleuth.instrument.async.AsyncDefaultAutoConfiguration$DefaultAsyncConfigurerSupport' of type [class org.springframework.cloud.sleuth.instrument.async.AsyncDefaultAutoConfiguration$DefaultAsyncConfigurerSupport$$EnhancerBySpringCGLIB$$a758efbc] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
2021-07-10 22:41:08.632  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] trationDelegate$BeanPostProcessorChecker : Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [class org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$863154f6] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
2021-07-10 22:41:11.041  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] s.b.c.e.t.TomcatEmbeddedServletContainer : Tomcat initialized with port(s): 8090 (http)
2021-07-10 22:41:11.063  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] o.apache.catalina.core.StandardService   : Starting service Tomcat
2021-07-10 22:41:11.066  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] org.apache.catalina.core.StandardEngine  : Starting Servlet Engine: Apache Tomcat/8.5.4
2021-07-10 22:41:11.221  INFO [m2-microservice-sleuth,,,] 8528 --- [ost-startStop-1] o.a.c.c.C.[Tomcat].[localhost].[/]       : Initializing Spring embedded WebApplicationContext
2021-07-10 22:41:11.225  INFO [m2-microservice-sleuth,,,] 8528 --- [ost-startStop-1] o.s.web.context.ContextLoader            : Root WebApplicationContext: initialization completed in 8649 ms
2021-07-10 22:41:13.489  INFO [m2-microservice-sleuth,,,] 8528 --- [ost-startStop-1] o.s.b.w.servlet.ServletRegistrationBean  : Mapping servlet: 'dispatcherServlet' to [/]
2021-07-10 22:41:13.500  INFO [m2-microservice-sleuth,,,] 8528 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'metricFilter' to: [/*]
2021-07-10 22:41:13.508  INFO [m2-microservice-sleuth,,,] 8528 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'characterEncodingFilter' to: [/*]
2021-07-10 22:41:13.510  INFO [m2-microservice-sleuth,,,] 8528 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'hiddenHttpMethodFilter' to: [/*]
2021-07-10 22:41:13.513  INFO [m2-microservice-sleuth,,,] 8528 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'httpPutFormContentFilter' to: [/*]
2021-07-10 22:41:13.536  INFO [m2-microservice-sleuth,,,] 8528 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'requestContextFilter' to: [/*]
2021-07-10 22:41:13.539  INFO [m2-microservice-sleuth,,,] 8528 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'webRequestLoggingFilter' to: [/*]
2021-07-10 22:41:13.550  INFO [m2-microservice-sleuth,,,] 8528 --- [ost-startStop-1] o.s.b.c.embedded.FilterRegistrationBean  : Mapping filter: 'traceFilter' to: [/*]
2021-07-10 22:41:13.555  INFO [m2-microservice-sleuth,,,] 8528 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'logFilter' to: [/*]
2021-07-10 22:41:13.563  INFO [m2-microservice-sleuth,,,] 8528 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'applicationContextIdFilter' to: [/*]
2021-07-10 22:41:16.197  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] s.w.s.m.m.a.RequestMappingHandlerAdapter : Looking for @ControllerAdvice: org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@7b2d943a: startup date [Sat Jul 10 22:41:02 IST 2021]; parent: org.springframework.context.annotation.AnnotationConfigApplicationContext@6f580081
2021-07-10 22:41:16.625  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/{sleepInMillis}]}" onto public java.lang.String com.the.basic.tech.info.m2.microservice.sleuth.rest.HomeController.callSleep(int,int,java.lang.String)
2021-07-10 22:41:16.672  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/sleep],methods=[POST]}" onto public com.the.basic.tech.info.m2.microservice.sleuth.rest.SleepResponse com.the.basic.tech.info.m2.microservice.sleuth.rest.SleepController.sleep(com.the.basic.tech.info.m2.microservice.sleuth.rest.SleepRequest)
2021-07-10 22:41:16.712  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error]}" onto public org.springframework.http.ResponseEntity<java.util.Map<java.lang.String, java.lang.Object>> org.springframework.boot.autoconfigure.web.BasicErrorController.error(javax.servlet.http.HttpServletRequest)
2021-07-10 22:41:16.727  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error],produces=[text/html]}" onto public org.springframework.web.servlet.ModelAndView org.springframework.boot.autoconfigure.web.BasicErrorController.errorHtml(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse)
2021-07-10 22:41:17.011  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] o.s.w.s.handler.SimpleUrlHandlerMapping  : Mapped URL path [/webjars/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2021-07-10 22:41:17.018  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] o.s.w.s.handler.SimpleUrlHandlerMapping  : Mapped URL path [/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2021-07-10 22:41:17.271  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] o.s.w.s.handler.SimpleUrlHandlerMapping  : Mapped URL path [/**/favicon.ico] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2021-07-10 22:41:18.970  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/refresh || /refresh.json],methods=[POST]}" onto public java.lang.Object org.springframework.cloud.endpoint.GenericPostableMvcEndpoint.invoke()
2021-07-10 22:41:19.014  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/env],methods=[POST]}" onto public java.lang.Object org.springframework.cloud.context.environment.EnvironmentManagerMvcEndpoint.value(java.util.Map<java.lang.String, java.lang.String>)
2021-07-10 22:41:19.044  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/env/reset],methods=[POST]}" onto public java.util.Map<java.lang.String, java.lang.Object> org.springframework.cloud.context.environment.EnvironmentManagerMvcEndpoint.reset()
2021-07-10 22:41:19.111  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/autoconfig || /autoconfig.json],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EndpointMvcAdapter.invoke()
2021-07-10 22:41:19.120  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/restart || /restart.json],methods=[POST]}" onto public java.lang.Object org.springframework.cloud.context.restart.RestartMvcEndpoint.invoke()
2021-07-10 22:41:19.156  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/configprops || /configprops.json],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EndpointMvcAdapter.invoke()
2021-07-10 22:41:19.164  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/health || /health.json],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.HealthMvcEndpoint.invoke(java.security.Principal)
2021-07-10 22:41:19.194  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/mappings || /mappings.json],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EndpointMvcAdapter.invoke()
2021-07-10 22:41:19.264  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/info || /info.json],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EndpointMvcAdapter.invoke()
2021-07-10 22:41:19.291  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/metrics/{name:.*}],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.MetricsMvcEndpoint.value(java.lang.String)
2021-07-10 22:41:19.295  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/metrics || /metrics.json],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EndpointMvcAdapter.invoke()
2021-07-10 22:41:19.312  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/heapdump || /heapdump.json],methods=[GET],produces=[application/octet-stream]}" onto public void org.springframework.boot.actuate.endpoint.mvc.HeapdumpMvcEndpoint.invoke(boolean,javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse) throws java.io.IOException,javax.servlet.ServletException
2021-07-10 22:41:19.329  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/dump || /dump.json],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EndpointMvcAdapter.invoke()
2021-07-10 22:41:19.346  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/pause || /pause.json],methods=[POST]}" onto public java.lang.Object org.springframework.cloud.endpoint.GenericPostableMvcEndpoint.invoke()
2021-07-10 22:41:19.360  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/trace || /trace.json],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EndpointMvcAdapter.invoke()
2021-07-10 22:41:19.371  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/beans || /beans.json],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EndpointMvcAdapter.invoke()
2021-07-10 22:41:19.402  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/env/{name:.*}],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EnvironmentMvcEndpoint.value(java.lang.String)
2021-07-10 22:41:19.413  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/env || /env.json],methods=[GET],produces=[application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.mvc.EndpointMvcAdapter.invoke()
2021-07-10 22:41:19.426  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] o.s.b.a.e.mvc.EndpointHandlerMapping     : Mapped "{[/resume || /resume.json],methods=[POST]}" onto public java.lang.Object org.springframework.cloud.endpoint.GenericPostableMvcEndpoint.invoke()
2021-07-10 22:41:19.884  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] o.s.s.c.ThreadPoolTaskScheduler          : Initializing ExecutorService
2021-07-10 22:41:20.135  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Registering beans for JMX exposure on startup
2021-07-10 22:41:20.178  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Bean with name 'configurationPropertiesRebinder' has been autodetected for JMX exposure
2021-07-10 22:41:20.195  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Bean with name 'refreshEndpoint' has been autodetected for JMX exposure
2021-07-10 22:41:20.215  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Bean with name 'restartEndpoint' has been autodetected for JMX exposure
2021-07-10 22:41:20.219  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Bean with name 'refreshScope' has been autodetected for JMX exposure
2021-07-10 22:41:20.231  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Bean with name 'environmentManager' has been autodetected for JMX exposure
2021-07-10 22:41:20.257  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Located managed bean 'environmentManager': registering with JMX server as MBean [org.springframework.cloud.context.environment:name=environmentManager,type=EnvironmentManager]
2021-07-10 22:41:20.304  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Located managed bean 'restartEndpoint': registering with JMX server as MBean [org.springframework.cloud.context.restart:name=restartEndpoint,type=RestartEndpoint]
2021-07-10 22:41:20.348  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Located managed bean 'refreshScope': registering with JMX server as MBean [org.springframework.cloud.context.scope.refresh:name=refreshScope,type=RefreshScope]
2021-07-10 22:41:20.386  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Located managed bean 'configurationPropertiesRebinder': registering with JMX server as MBean [org.springframework.cloud.context.properties:name=configurationPropertiesRebinder,context=7b2d943a,type=ConfigurationPropertiesRebinder]
2021-07-10 22:41:20.410  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Located managed bean 'refreshEndpoint': registering with JMX server as MBean [org.springframework.cloud.endpoint:name=refreshEndpoint,type=RefreshEndpoint]
2021-07-10 22:41:20.797  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] o.s.c.support.DefaultLifecycleProcessor  : Starting beans in phase 0
2021-07-10 22:41:21.268  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] s.b.c.e.t.TomcatEmbeddedServletContainer : Tomcat started on port(s): 8090 (http)
2021-07-10 22:41:21.290  INFO [m2-microservice-sleuth,,,] 8528 --- [           main] .i.m.m.s.SleuthExampleServiceApplication : Started SleuthExampleServiceApplication in 33.087 seconds (JVM running for 49.579)

Hit on Browser: http://localhost:8080/1007?port=8090

Once this url will be hit on the browser, you will see below logging statements appear in the console that look like.

2021-07-11 01:58:30.601 DEBUG [m1-microservice-sleuth,7da0cc6c45287747,dbfcbed5c72d1ce8,true] 13220 --- [nio-8080-exec-9] o.s.web.servlet.DispatcherServlet        : Null ModelAndView returned to DispatcherServlet with name 'dispatcherServlet': assuming HandlerAdapter completed request handling
2021-07-11 01:58:30.638 DEBUG [m1-microservice-sleuth,7da0cc6c45287747,7da0cc6c45287747,true] 13220 --- [nio-8080-exec-9] o.s.web.servlet.DispatcherServlet        : Successfully completed request
2021-07-11 01:58:30.640  INFO [m1-microservice-sleuth,7da0cc6c45287747,7da0cc6c45287747,true] 13220 --- [nio-8080-exec-9] .m.s.r.SleuthCommonsRequestLoggingFilter : After request [uri=/1007?port=8090]
2021-07-11 01:58:30.742  INFO [m1-microservice-sleuth,e06cdcc098272a9d,e06cdcc098272a9d,false] 13220 --- [io-8080-exec-10] .m.s.r.SleuthCommonsRequestLoggingFilter : Before request [uri=/favicon.ico]
2021-07-11 01:58:30.743 DEBUG [m1-microservice-sleuth,e06cdcc098272a9d,e06cdcc098272a9d,false] 13220 --- [io-8080-exec-10] o.s.web.servlet.DispatcherServlet        : DispatcherServlet with name 'dispatcherServlet' processing GET request for [/favicon.ico]
2021-07-11 01:58:30.744 DEBUG [m1-microservice-sleuth,e06cdcc098272a9d,e06cdcc098272a9d,false] 13220 --- [io-8080-exec-10] o.s.web.servlet.DispatcherServlet        : Last-Modified value for [/favicon.ico] is: -1
2021-07-11 01:58:30.768 DEBUG [m1-microservice-sleuth,e06cdcc098272a9d,e06cdcc098272a9d,false] 13220 --- [io-8080-exec-10] o.s.web.servlet.DispatcherServlet        : Null ModelAndView returned to DispatcherServlet with name 'dispatcherServlet': assuming HandlerAdapter completed request handling
2021-07-11 01:58:30.771 DEBUG [m1-microservice-sleuth,e06cdcc098272a9d,e06cdcc098272a9d,false] 13220 --- [io-8080-exec-10] o.s.web.servlet.DispatcherServlet        : Successfully completed request
2021-07-11 01:58:30.772  INFO [m1-microservice-sleuth,e06cdcc098272a9d,e06cdcc098272a9d,false] 13220 --- [io-8080-exec-10] .m.s.r.SleuthCommonsRequestLoggingFilter : After request [uri=/favicon.ico]

Zipkin GUI

Look for the trace of the call, we need to access the Zipkin GUI: http://localhost:9090/

Make sure you set the date range correctly and click Find Taces. You should see tracing information for the endpoint (http://localhost:8080/1007?port=8090) returned. Clicking on it will show you all the details collected from the Sleuth logs including timing information for the request.

Download Source Code (Attached)

Happy Learning :). Drop a question in comment section in case you have any.

Spring Cloud Netflix OSS + Tracing in Microservices with Sleuth + Zipkin

High Level Application Architecture

Why do we need microservices distributed tracing?

What are Span, Trace and Tracers in distributed tracing methodology?

What are Trace ID and Span ID?

What is Zipkin? Where it fits in Microservices Architecture?

Enable AlwaysSampler to sample our logs to be exported to Zipkin

Spring Cloud Sleuth : Application Setup

Technology Stack

Spring Cloud Zipkin Server : microservice-server-zipkin

Maven File (pom.xml)

Application Configurations (application.yml)

SpringBootApplication: ZipkinServerApplication.java

Spring Cloud Sleuth Microservice : m1-microservice-sleuth

Maven File (pom.xml)

Application Configurations (application.yml)

SpringBootApplication: SleuthExampleServiceApplication.java

m1-microservice-sleuth: Config.java

m1-microservice-sleuth: create spans, set sampling rate and creating a custom filter that adds tags to the current span and call via RestTemplate.

@RestController – HomeController

@RestController – SleepController

SleepRequest

SleepResponse

SleuthCommonsRequestLoggingFilter

Spring Cloud Sleuth Microservice : m2-microservice-sleuth

Maven File (pom.xml)

Application Configurations (application.yml)

SpringBootApplication: SleuthExampleServiceApplication.java

m2-microservice-sleuth: Config.java

m2-microservice-sleuth: create spans, set sampling rate and creating a custom filter that adds tags to the current span and call via RestTemplate.

@RestController – HomeController

@RestController – SleepController

SleepRequest

SleepResponse

SleuthCommonsRequestLoggingFilter

Applications (microservices) Deploy, Run & Test

Start Zipkin Server : microservice-server-zipkin

Start Microservice (m1) : m1-microservice-sleuth

Start Microservice (m2) : m2-microservice-sleuth

Hit on Browser: http://localhost:8080/1007?port=8090

Zipkin GUI

Download Source Code (Attached)

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