Maven plugins are not configured if defined within reporting section

Initial POM :

<reporting>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-report-plugin</artifactId>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jxr-plugin</artifactId>
</plugin>
</plugins>
</reporting>

POM used by sonar :

<build>
<plugins>
<plugin>
<artifactId>maven-clean-plugin</artifactId>
<version>2.2</version>
</plugin>

+ others but maven-surefire-plugin and maven-jxr-plugin are missing

</plugins>
</build>

<reporting>
<outputDirectory>target/site</outputDirectory>
<plugins>
<plugin>
<artifactId>maven-jxr-plugin</artifactId>
</plugin>
<plugin>
<artifactId>maven-surefire-report-plugin</artifactId>
</plugin>
...