使用 Spring Cloud Starter Sleuth 未看到 TraceID、Span ID

Not Seeing TraceID, Span ID with Spring Cloud Starter Sleuth

我正在 SpringBoot2 上使用 Spring Cloud Starter Sleuth 尝试我的第一个项目,运行 遇到了问题。让我先分享我的应用配置:

POM.xml

<parent>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-parent</artifactId>
    <version>2.0.2.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>
    <spring-cloud.version>Finchley.RC2</spring-cloud.version>
</properties>

<dependencies>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.cloud</groupId>
        <artifactId>spring-cloud-starter-sleuth</artifactId>
    </dependency>
        <build>
    <plugins>
        <plugin>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-maven-plugin</artifactId>
        </plugin>
    </plugins>
</build>

<dependencyManagement>
    <dependencies>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-dependencies</artifactId>
            <version>${spring-cloud.version}</version>
            <type>pom</type>
            <scope>import</scope>
        </dependency>
    </dependencies>
</dependencyManagement>

<repositories>
    <repository>
        <id>spring-milestones</id>
        <name>Spring Milestones</name>
        <url>https://repo.spring.io/milestone</url>
        <snapshots>
            <enabled>false</enabled>
        </snapshots>
    </repository>
</repositories>
...

Application.yml

spring:
  application:
    name: MyApp
logging:
  level:
    org:
      springframework:
        cloud:
          sleuth: DEBUG

我启动了我的应用程序,但在访问我的服务时没有看到任何 spanId 或跟踪 ID。

日志是这样的:

...
2018-05-29 15:06:39.727  INFO [MyApp,,,] 13916 --- [nio-8081-exec-1] o.s.web.servlet.DispatcherServlet        : FrameworkServlet 'dispatcherServlet': initialization completed in 22 ms
2018-05-29 15:06:39.727  INFO [MyApp,,,] 13916 ---

我在我的应用程序配置中做错了什么?

为什么你觉得哪里不对?收到请求后您是否记录了任何内容?我想我们在项目的自述文件中写了这一点,如果你只是启动应用程序,什么都不会发生。尝试在控制器中记录某事并发送请求以查看日志中的 ID