EAR

Follow EJB notes first, EJB…

Maven

Packaging

<packaging>ear</packaging>

Dependencies - EAR Module

<dependencies>
  <dependency>
    <groupId>root.project</groupId>
    <artifactId>j2ee-simple-ejbs</artifactId>
    <type>ejb</type>
  </dependency>
  <dependency>
    <groupId>root.project.servlets</groupId>
    <artifactId>j2ee-simple-servlet</artifactId>
    <type>war</type>
  </dependency>

Dependency Management - Parent Module

<dependencyManagement>
  <dependencies>
    <dependency>
      <groupId>root.project</groupId>
      <artifactId>j2ee-simple-ejbs</artifactId>
      <version>${project.version}</version>
      <type>ejb</type>
    </dependency>
    <dependency>
      <groupId>root.project.servlets</groupId>
      <artifactId>j2ee-simple-servlet</artifactId>
      <version>${project.version}</version>
      <type>war</type>
    </dependency>

EAR Plugin

<build>
  <plugins>
    <plugin>
      <artifactId>maven-ear-plugin</artifactId>
      <configuration>
        <archive>
          <manifest>
            <addClasspath>true</addClasspath>
          </manifest>
        </archive>
      </configuration>
    </plugin>
  </plugins>
</build>