parent-pom.xml

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

  <name>Tracing Example (parent)</name>
  <description>Common properties and project configuration for all examples</description>
  <url>https://github.com/openzipkin/brave-example</url>
  <inceptionYear>2013</inceptionYear>

  <organization>
    <name>OpenZipkin</name>
    <url>https://zipkin.io/</url>
  </organization>

  <licenses>
    <license>
      <name>The Apache Software License, Version 2.0</name>
      <url>https://www.apache.org/licenses/LICENSE-2.0.txt</url>
      <distribution>repo</distribution>
    </license>
  </licenses>

  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <project.build.resourceEncoding>UTF-8</project.build.resourceEncoding>
    <project.build.outputEncoding>UTF-8</project.build.outputEncoding>
    <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>

    <brave.version>6.0.3</brave.version>
    <zipkin-reporter.version>3.4.0</zipkin-reporter.version>

    <!-- The JRE used in Docker images can be higher than ${maven.compiler.release}. -->
    <jre.version>SET MANUALLY IN PROJECTS</jre.version>
    <!-- The JDK building the project must be at least this version. It is usually JDK 11. -->
    <maven.compiler.release>${jre.version}</maven.compiler.release>

    <exec-maven-plugin.version>3.3.0</exec-maven-plugin.version>
    <go-offline-maven-plugin.version>1.2.8</go-offline-maven-plugin.version>
    <maven-compiler-plugin.version>3.13.0</maven-compiler-plugin.version>
    <!-- Use same version as https://github.com/openzipkin/docker-java -->
    <maven-dependency-plugin.version>3.8.1</maven-dependency-plugin.version>
    <maven-help-plugin.version>3.5.1</maven-help-plugin.version>
    <maven-jar-plugin.version>3.4.2</maven-jar-plugin.version>
    <maven-war-plugin.version>3.4.0</maven-war-plugin.version>
  </properties>

  <!-- Only declare Brave dependencies here as we want projects to control their own settings -->
  <dependencyManagement>
    <dependencies>
      <dependency>
        <groupId>io.zipkin.reporter2</groupId>
        <artifactId>zipkin-reporter-bom</artifactId>
        <version>${zipkin-reporter.version}</version>
        <type>pom</type>
        <scope>import</scope>
      </dependency>
      <dependency>
        <groupId>io.zipkin.brave</groupId>
        <artifactId>brave-bom</artifactId>
        <version>${brave.version}</version>
        <type>pom</type>
        <scope>import</scope>
      </dependency>
      <!-- Brave prior to v6 had a reporter dependency. Remove that to avoid conflicts. -->
      <dependency>
        <groupId>io.zipkin.brave</groupId>
        <artifactId>brave</artifactId>
        <version>${brave.version}</version>
        <exclusions>
          <exclusion>
            <groupId>*</groupId>
            <artifactId>*</artifactId>
          </exclusion>
        </exclusions>
      </dependency>
    </dependencies>
  </dependencyManagement>

  <!-- Do not add anything into this section as it will unlikely be valid for all projects -->
  <dependencies/>

  <build>
    <pluginManagement>
      <plugins>
        <!-- mvn de.qaware.maven:go-offline-maven-plugin:resolve-dependencies -->
        <plugin>
          <groupId>de.qaware.maven</groupId>
          <artifactId>go-offline-maven-plugin</artifactId>
          <version>${go-offline-maven-plugin.version}</version>
        </plugin>

        <plugin>
          <artifactId>maven-compiler-plugin</artifactId>
          <version>${maven-compiler-plugin.version}</version>
          <configuration>
            <optimize>true</optimize>
            <debug>true</debug>
            <showWarnings>true</showWarnings>
          </configuration>
        </plugin>

        <plugin>
          <artifactId>maven-jar-plugin</artifactId>
          <version>${maven-jar-plugin.version}</version>
          <configuration>
            <archive>
              <!-- prevents huge pom file from also being added to the jar under META-INF/maven -->
              <addMavenDescriptor>false</addMavenDescriptor>
            </archive>
          </configuration>
        </plugin>

        <plugin>
          <groupId>org.codehaus.mojo</groupId>
          <artifactId>exec-maven-plugin</artifactId>
          <version>${exec-maven-plugin.version}</version>
        </plugin>

        <plugin>
          <artifactId>maven-war-plugin</artifactId>
          <version>${maven-war-plugin.version}</version>
          <configuration>
            <failOnMissingWebXml>false</failOnMissingWebXml>
            <packagingExcludes>WEB-INF/lib/servlet-api-*.jar,WEB-INF/lib/javax.servlet-api-*.jar
            </packagingExcludes>
          </configuration>
        </plugin>
      </plugins>
    </pluginManagement>

    <plugins>
      <!-- Ensure common utility commands use coherent versions (avoid lazy downloads) -->
      <plugin>
        <artifactId>maven-dependency-plugin</artifactId>
        <version>${maven-dependency-plugin.version}</version>
      </plugin>
      <plugin>
        <artifactId>maven-help-plugin</artifactId>
        <version>${maven-help-plugin.version}</version>
      </plugin>
    </plugins>
  </build>
</project>