Take merged jacoco report into consideration for multimodule project

[Colin]

I would suggest checking the Multi-module builds section of this Guide:

[Coverage & Test Data] Importing JaCoCo coverage report in XML format

Importing JaCoCo coverage report in XML format Version 5.12 of our SonarJava analyzer deprecated uses JaCoCo’s binary format (.exec files) to import coverage. This binary format is internal to the JaCoCo project, and as such there are no guarantees for backward compatibility, so it should not be used for integration purposes. As a replacement, when you scan a project with Sonar scanner, we use a special Jacoco report analyzer, which imports your JaCoCo’s XML coverage report, and this is the pr…

Keep in mind that SonarQube no longer pays attention to the .exec files – it is only capable of importing JaCoCo XML Reports.