Missing aar file in maven2 multi-project build

<parent>
	<groupId>companyId</groupId>
	<artifactId>build</artifactId>
	<version>1.0.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<groupId>com.nationwide.nf</groupId>
<artifactId>parent</artifactId>
<packaging>pom</packaging>
<version>1.0.0-SNAPSHOT</version>
<modules>
	<module>ws-war</module>
	<module>ws-aar</module>
	<module>ws-ear</module>
</modules>

<parent>
	<artifactId>parent</artifactId>
	<groupId>companyId</groupId>
	<version>1.0.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<groupId>companyId</groupId>
<artifactId>ws-aar</artifactId>
<version>1.0.0-SNAPSHOT</version>
<description/>
<packaging>aar</packaging>
<dependencies>...</dependencies>
<build>
	<plugins>
		<plugin>
			<groupId>org.apache.maven.plugins</groupId>
			<artifactId>maven-compiler-plugin</artifactId>
			<configuration>
				<source>1.5</source>
				<target>1.5</target>
			</configuration>
		</plugin>

		<plugin>
			<groupId>org.apache.axis2</groupId>
			<artifactId>axis2-wsdl2code-maven-plugin</artifactId>
			<version>1.4</version>
			<configuration>...</configuration>
			<executions>
				<execution>
					<goals>
						<goal>wsdl2code</goal>
					</goals>
					<id>axis2-gen-sources</id>
				</execution>
			</executions>
		</plugin>
		<plugin>
			<groupId>org.apache.axis2</groupId>
			<artifactId>axis2-aar-maven-plugin</artifactId>
			<version>1.4</version>
			<extensions>true</extensions>
			<configuration>...</configuration>
		</plugin>
	</plugins>
</build>

<parent>
	<artifactId>parent</artifactId>
	<groupId>companyId</groupId>
	<version>1.0.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<groupId>companyId</groupId>
<artifactId>ws-war</artifactId>
<packaging>war</packaging>
<version>1.0.0-SNAPSHOT</version>
<description/>
<dependencies>
	<dependency>
		<groupId>companyId</groupId>
		<artifactId>ws-aar</artifactId>
		<type>aar</type>
		<version>1.0.0-SNAPSHOT</version>
	</dependency>
	.
	.
	.
</dependencies>
<build>
	<plugins>
		<plugin>
			<groupId>org.apache.maven.plugins</groupId>
			<artifactId>maven-war-plugin</artifactId>
			<version>2.1-alpha-2</version>
			<configuration>
				<warName>appName</warName>
			</configuration>
		</plugin>
	</plugins>
</build>

<plugin>
			<groupId>org.apache.maven.plugins</groupId>
			<artifactId>maven-dependency-plugin</artifactId>
			<executions>
				<execution>
					<phase>process-classes</phase>
					<goals>
						<goal>copy-dependencies</goal>
					</goals>
					<configuration>
						<outputDirectory>
							${project.build.directory}/${project.build.finalName}/WEB-INF/services
						</outputDirectory>
						<includeArtifactIds>
							ws-aar
						</includeArtifactIds>
					</configuration>
				</execution>
			</executions>
		</plugin>

<dependency>
  <groupId>group-a</groupId>
  <artifactId>artifact-b</artifactId>
  <version>1.0</version>
  <type>aar</type>
</dependency>

mvn clean install