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>

  <groupId>org.eclipse.jetty.demos</groupId>
  <artifactId>embedded-servlet-3.1</artifactId>
  <version>1-SNAPSHOT</version>
  <packaging>war</packaging>

  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <maven.compiler.source>11</maven.compiler.source>
    <maven.compiler.target>11</maven.compiler.target>

    <maven.clean.plugin.version>3.1.0</maven.clean.plugin.version>
    <maven.compiler.plugin.version>3.8.1</maven.compiler.plugin.version>
    <maven.dependency.plugin.version>3.2.0</maven.dependency.plugin.version>
    <maven.deploy.plugin.version>3.0.0-M1</maven.deploy.plugin.version>
    <maven.enforcer.plugin.version>3.0.0</maven.enforcer.plugin.version>
    <maven.install.plugin.version>3.0.0-M1</maven.install.plugin.version>
    <maven.jar.plugin.version>3.2.0</maven.jar.plugin.version>
    <maven.javadoc.plugin.version>3.3.0</maven.javadoc.plugin.version>
    <maven.resources.plugin.version>3.2.0</maven.resources.plugin.version>
    <maven.source.plugin.version>3.2.1</maven.source.plugin.version>
    <maven.surefire.plugin.version>3.0.0-M5</maven.surefire.plugin.version>
    <exec.plugin.version>3.0.0</exec.plugin.version>
    <license.plugin.version>4.1</license.plugin.version>

    <servlet.api.version>3.1.0</servlet.api.version>
    <jetty.version>9.4.43.v20210629</jetty.version>
  </properties>

  <dependencies>
    <dependency>
      <groupId>javax.servlet</groupId>
      <artifactId>javax.servlet-api</artifactId>
      <version>${servlet.api.version}</version>
    </dependency>
    <dependency>
      <groupId>org.eclipse.jetty</groupId>
      <artifactId>jetty-webapp</artifactId>
      <version>${jetty.version}</version>
    </dependency>
    <dependency>
      <groupId>org.eclipse.jetty</groupId>
      <artifactId>jetty-annotations</artifactId>
      <version>${jetty.version}</version>
    </dependency>
  </dependencies>
  <build>
    <pluginManagement>
      <plugins>
        <plugin>
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-clean-plugin</artifactId>
          <version>${maven.clean.plugin.version}</version>
        </plugin>
        <plugin>
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-compiler-plugin</artifactId>
          <version>${maven.compiler.plugin.version}</version>
        </plugin>
        <plugin>
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-dependency-plugin</artifactId>
          <version>${maven.dependency.plugin.version}</version>
        </plugin>
        <plugin>
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-deploy-plugin</artifactId>
          <version>${maven.deploy.plugin.version}</version>
        </plugin>
        <plugin>
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-enforcer-plugin</artifactId>
          <version>${maven.enforcer.plugin.version}</version>
        </plugin>
        <plugin>
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-install-plugin</artifactId>
          <version>${maven.install.plugin.version}</version>
        </plugin>
        <plugin>
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-jar-plugin</artifactId>
          <version>${maven.jar.plugin.version}</version>
        </plugin>
        <plugin>
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-javadoc-plugin</artifactId>
          <version>${maven.javadoc.plugin.version}</version>
        </plugin>
        <plugin>
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-resources-plugin</artifactId>
          <version>${maven.resources.plugin.version}</version>
        </plugin>
        <plugin>
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-source-plugin</artifactId>
          <version>${maven.source.plugin.version}</version>
        </plugin>
        <plugin>
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-surefire-plugin</artifactId>
          <version>${maven.surefire.plugin.version}</version>
        </plugin>
        <plugin>
          <groupId>org.codehaus.mojo</groupId>
          <artifactId>exec-maven-plugin</artifactId>
          <version>${exec.plugin.version}</version>
        </plugin>
        <plugin>
          <groupId>com.mycila</groupId>
          <artifactId>license-maven-plugin</artifactId>
          <version>${license.plugin.version}</version>
        </plugin>
      </plugins>
    </pluginManagement>
    <plugins>
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-enforcer-plugin</artifactId>
        <executions>
          <execution>
            <id>enforce-java</id>
            <goals>
              <goal>enforce</goal>
            </goals>
            <configuration>
              <rules>
                <requireMavenVersion>
                  <version>[3.0.0,)</version>
                </requireMavenVersion>
                <requireJavaVersion>
                  <version>[11,)</version>
                  <message>[ERROR] OLD JDK [${java.version}] in use.  This project requires JDK 11 or newer</message>
                </requireJavaVersion>
              </rules>
            </configuration>
          </execution>
        </executions>
      </plugin>
      <plugin>
        <groupId>com.mycila</groupId>
        <artifactId>license-maven-plugin</artifactId>
        <inherited>false</inherited>
        <configuration>
          <failIfMissing>true</failIfMissing>
          <aggregate>true</aggregate>
          <strictCheck>true</strictCheck>
        </configuration>
        <executions>
          <execution>
            <id>check-java-headers</id>
            <phase>verify</phase>
            <goals>
              <goal>check</goal>
            </goals>
            <configuration>
              <header>header-template-java.txt</header>
              <mapping>
                <java>DOUBLESLASH_STYLE</java>
              </mapping>
              <includes>
                <include>**/*.java</include>
              </includes>
            </configuration>
          </execution>
        </executions>
      </plugin>
      <plugin>
        <groupId>org.codehaus.mojo</groupId>
        <artifactId>exec-maven-plugin</artifactId>
        <configuration>
          <classpathScope>test</classpathScope>
          <executable>java</executable>
          <arguments>
            <argument>-cp</argument>
            <classpath />
            <argument>org.eclipse.jetty.demos.EmbedMe</argument>
            <argument>8080</argument>
          </arguments>
        </configuration>
      </plugin>
    </plugins>
  </build>
</project>