I have configured the Maven JaCoCo plugin as follows in my pom.xml file:

<properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <jacoco.version>0.5.9.201207300726</jacoco.version>
</properties>

<profiles>
    <profile>
        <id>jacoco4</id>
        <build>
            <plugins>
                <plugin>
                    <groupId>org.jacoco</groupId>
                    <artifactId>jacoco-maven-plugin</artifactId>
                    <version>${jacoco.version}</version>
                    <executions>
                        <execution>
                            <goals>
                                <goal>prepare-agent</goal>
                            </goals>
                            <configuration
                            <destfile>${project.build.directory}/target/jacoco.exec</destfile>
                            <datafile>${project.build.directory}/target/jacoco.exec</datafile>
                                <output>file</output>
                                <append>true</append>
                            </configuration>
                        </execution>
                        <execution>
                            <id>report</id>
                            <phase>prepare-package</phase>
                            <goals>
                                <goal>report</goal>
                            </goals>
                        </execution>
                    </executions>
                </plugin>
            </plugins>
        </build>
    </profile>
</profiles>

I'm using Windows 7 and the apache-maven-3.0.4 plugin. When I type mvn -P jacoco4

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