...
	<build>
		<plugins>

			<plugin>
				<groupId>org.jacoco</groupId>
				<artifactId>jacoco-maven-plugin</artifactId>
				<version>0.7.6.201602180812</version>
				<executions>
					<execution>
						<id>agent</id>
						<goals>
							<goal>prepare-agent</goal>
						</goals>
						<configuration>
							<append>true</append>
							<destFile>${sonar.jacoco.reportPath}</destFile>
						</configuration>
					</execution>
				</executions>
			</plugin>

			</plugins>

	</build>
...