pom.xml

<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>io.zipkin.brave.example</groupId>
    <artifactId>brave-example-parent</artifactId>
    <version>1.0-SNAPSHOT</version>
    <relativePath>../parent-pom.xml</relativePath>
  </parent>

  <artifactId>brave-example-webmvc4-boot</artifactId>
  <packaging>jar</packaging>

  <name>brave-example-webmvc4-boot</name>
  <description>Tracing Example: Spring WebMVC 4/Spring Boot 1.5/JRE 8</description>

  <properties>
    <jre.version>8</jre.version>

    <spring-boot.version>1.5.22.RELEASE</spring-boot.version>
  </properties>

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

  <dependencies>
    <!-- Configures Spring Boot with SLF4J logging -->
    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter</artifactId>
    </dependency>
    <!-- Adds /health endpoint -->
    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-actuator</artifactId>
    </dependency>
    <!-- Configures the lower overhead Jetty container -->
    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-jetty</artifactId>
      <exclusions>
        <exclusion>
          <!-- This project doesn't use websocket -->
          <groupId>org.eclipse.jetty.websocket</groupId>
          <artifactId>*</artifactId>
        </exclusion>
        <exclusion>
          <groupId>org.mortbay.jasper</groupId>
          <artifactId>apache-el</artifactId>
        </exclusion>
      </exclusions>
    </dependency>

    <!-- Adds the web libraries used in the example app -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-webmvc</artifactId>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-web</artifactId>
    </dependency>
    <dependency>
      <groupId>com.squareup.okhttp3</groupId>
      <artifactId>okhttp</artifactId>
      <!-- Intentionally OkHttp 3 as it doesn't have a Kotlin dependency -->
      <version>3.14.9</version>
    </dependency>

    <!-- Adds the MVC class and method names to server spans -->
    <dependency>
      <groupId>io.zipkin.brave</groupId>
      <artifactId>brave-instrumentation-spring-webmvc</artifactId>
    </dependency>
    <!-- Instruments the underlying OkHttpClient requests that call the backend -->
    <dependency>
      <groupId>io.zipkin.brave</groupId>
      <artifactId>brave-instrumentation-okhttp3</artifactId>
    </dependency>

    <!-- Integrates so you can use log patterns like %X{traceId}/%X{spanId} -->
    <dependency>
      <groupId>io.zipkin.brave</groupId>
      <artifactId>brave-context-slf4j</artifactId>
    </dependency>

    <!-- The below are needed to report traces to http://127.0.0.1:9411/api/v2/spans -->
    <dependency>
      <groupId>io.zipkin.brave</groupId>
      <artifactId>brave</artifactId>
    </dependency>
    <dependency>
      <groupId>io.zipkin.reporter2</groupId>
      <artifactId>zipkin-reporter-brave</artifactId>
    </dependency>
    <dependency>
      <groupId>io.zipkin.reporter2</groupId>
      <artifactId>zipkin-sender-okhttp3</artifactId>
    </dependency>
  </dependencies>

  <build>
    <plugins>
      <plugin>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-maven-plugin</artifactId>
        <version>${spring-boot.version}</version>
        <executions>
          <execution>
            <goals>
              <goal>repackage</goal>
            </goals>
          </execution>
        </executions>
        <configuration>
          <!-- This can be overridden to brave.example.Frontend also -->
          <mainClass>brave.example.Backend</mainClass>
          <classifier>exec</classifier>
          <executable>true</executable>
        </configuration>
      </plugin>
    </plugins>
  </build>
</project>