👷 : generate XML report for jacoco

also pinning the jacoco version, as 0.8.4 gives us kotlin support

.travis.yml

@@ -29,7 +29,7 @@ jobs:
       # fetching master refs when building other branches helps sonar computing PRs
       - git fetch origin +refs/heads/master:refs/remotes/origin/master
       # the following command line builds the project, runs the tests with coverage and then execute the SonarCloud analysis
-      - mvn clean org.jacoco:jacoco-maven-plugin:prepare-agent verify sonar:sonar
+      - mvn clean org.jacoco:jacoco-maven-plugin:prepare-agent verify org.jacoco:jacoco-maven-plugin:report sonar:sonar
     - stage: deploy
       name: "Deploy to hub.docker.com"
       script:

pom.xml

@@ -212,6 +212,15 @@
 	</dependencies>
 
 	<build>
+		<pluginManagement>
+			<plugins>
+				<plugin>
+					<groupId>org.jacoco</groupId>
+					<artifactId>jacoco-maven-plugin</artifactId>
+					<version>0.8.4</version>
+				</plugin>
+			</plugins>
+		</pluginManagement>
 		<plugins>
 			<!-- kotlin compilation -->
 			<plugin>