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由于SpringCloud的微服务将原本单一项目的模块切分为各个独立的服务了。所以调试和遇到问题变得难一些。因此Spring Cloud就开发了新的组件zipkin
创建链路追踪服务项目
首先创建的链路追踪服务项目需要引入zipkin的几个jar,这里我们pom引入
<?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>
<parent>
<groupId>com.funtl</groupId>
<artifactId>hello-spring-cloud-dependencies</artifactId>
<version>1.0.0-SNAPSHOT</version>
<relativePath>../hello-springcloud-dependencies/pom.xml</relativePath>
</parent>
<artifactId>hello-spring-cloud-zipkin</artifactId>
<packaging>jar</packaging>
<name>hello-spring-cloud-zipkin</name>
<dependencies>
<!-- Spring Boot Begin -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<!-- Spring Boot End -->
<!-- Spring Cloud Begin -->
<dependency>
<groupId>io.zipkin.java</groupId>
<artifactId>zipkin</artifactId>
<version>${zipkin.version}</version>
</dependency>
<dependency>
<groupId>io.zipkin.java</groupId>
<artifactId>zipkin-server</artifactId>
<version>${zipkin.version}</version>
</dependency>
<dependency>
<groupId>io.zipkin.java</groupId>
<artifactId>zipkin-autoconfigure-ui</artifactId>
<version>${zipkin.version}</version>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-eureka-server</artifactId>
</dependency>
<!-- Spring Cloud End -->
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<mainClass>com.funtl.hello.spring.cloud.zipkin.ZipKinApplication</mainClass>
</configuration>
</plugin>
</plugins>
</build>
</project>
同时在application.yml中配置项目的服务端口和属性
spring:
application:
name: hello-spring-cloud-zipkin
server:
port: 9411
eureka:
client:
serviceUrl:
defaultZone: http://localhost:8761/eureka/
management:
metrics:
web:
server:
auto-time-requests: false
在启动类中加入注解@EnableZipkinServer
@SpringBootApplication
@EnableEurekaClient
@EnableZipkinServer
public class ZipKinApplication {
public static void main(String[] args) {
SpringApplication.run(ZipKinApplication.class, args);
}
}
但此时还需要在链路追踪的各个项目中加入pom依赖,包括注册中心Eureka Server项目
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-zipkin</artifactId>
</dependency>
此时在浏览器中访问我们昨天的地址之后,在浏览器中访问
http://localhost:9411。切换顶部菜单栏,即可获得如下结果