Link Search Menu Expand Document

First: read about using Maven at these pages:

Then, here’s what you need to do to get Jacoco Test Coverage working for your project.

You need to have your Maven Project set up for JUnit

As a reminder, in a Maven project:

  • Regular application code goes under /src/main/java
  • JUnit test code goes under /src/test/java

To use JUnit in a Maven project, you need the JUnit dependency in your pom.xml file:


Next, add in a plug-in for Jacoco:

There are many examples online of various ways to get Jacoco support in your pom.xml.

Here are a few:

Troubleshooting Jacoco

  1. Make sure you have the latest version of the jacoco
  2. Make sure you do mvn test then mvn jacoco:report then mvn site:deploy
  3. Make sure that you git add docs, commit and push so that the latest version is online.
  4. If you reset <argLine>, make sure that you add ${argLine} inside your new setting.
    • WRONG: <argLine>-Xmx1024M </argLine> (If it were Java, this would be: argLine="-Xmx1024M" )
    • CORRECT: <argLine>-Xmx1024M ${argLine}</argLine> (In Java, this would be: argLine = "-Xmx1024M " + argLine)