Support for Maven multi-module build is a long outstanding feature request for JaCoCo. This page tries to collect all information about this feature.

• Issue #18 Multi-report merging
• Issue #69 Multiply repot file merging with multimodule project reports aggregation
• Pull Request #97 Add aggregate-report that reports cross module code coverage for the maven plugin
• Pull Request #217 Allows the report mojo to reference binary/source files in other modules