Getting “Skipping JaCoCo execution due to missing execution data file” upon executing JaCoCo

jacoco-maven-plugin:0.7.10-SNAPSHOT

From jacoco:prepare-agent that says:

One of the ways to do this in case of maven-surefire-plugin – is to use syntax for late property evaluation:

<plugin>
  <groupId>org.apache.maven.plugins</groupId>
  <artifactId>maven-surefire-plugin</artifactId>
  <configuration>
    <argLine>@{argLine} -your -extra -arguments</argLine>
  </configuration>
</plugin>

Note the @{argLine} that’s added to -your -extra -arguments.

Thanks Slava Semushin for noticing the change and reporting in the comment.

jacoco-maven-plugin:0.7.2-SNAPSHOT

Following jacoco:prepare-agent that says:

[org.jacoco:jacoco-maven-plugin:0.7.2-SNAPSHOT:prepare-agent] Prepares a property pointing to the JaCoCo runtime agent that can be passed as a VM argument to the application under test. Depending on the project packaging type by default a property with the following name is set:

• tycho.testArgLine for packaging type eclipse-test-plugin and
• argLine otherwise.

Note that these properties must not be overwritten by the test configuration, otherwise the JaCoCo agent cannot be attached. If you need custom parameters please append them. For example:

<argLine>${argLine} -your -extra -arguments</argLine>

Resulting coverage information is collected during execution and by default written to a file when the process terminates.

you should change the following line in maven-surefire-plugin plugin configuration from (note the ${argLine} inside <argLine>):

<argLine>-Xmx2048m</argLine>

to

<argLine>${argLine} -Xmx2048m</argLine>

Make also the necessary changes to the other plugin maven-failsafe-plugin and replace the following (again, notice the ${argLine}):

<argLine>-Xmx4096m -XX:MaxPermSize=512M ${itCoverageAgent}</argLine>

to

<argLine>${argLine} -Xmx4096m -XX:MaxPermSize=512M ${itCoverageAgent}</argLine>