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See the Usage page for complete details on how to use this plugin.


June 20, 2020

Version 3.0.1-SNAPSHOT has been published to the Maven Snapshot repository, which should solve issues running with Gradle 6.2+. I appreciate any feedback on how this new version runs in any version of Gradle.

November 10, 2019

Version 3.0.0 of the Cobertura plugin now supports Gradle 6.0, with thanks to Roberto Perez Alcolea. This release no longer supports or works on older versions of Java and Gradle. Users will need to update to at least Java 8 and Gradle 5.1

March 23, 2019

Version 2.6.1 is a minor release that is meant to get the Cobertura plugin working better with the Scoverage Scala plugin. Thank you to Eyal Roth (@eyalroth) for his suggestions and code examples.

January 5, 2019

Version 2.6.0 supports Gradle 5.1, with thanks to Roberto Alcolea (@rpalcolea)


This plugin was inspired by the Cobertura plugin by valkolovos and jvanderpol. This plugin is an improvement over the the original in a few important ways.

  • The biggest difference is that this fork of the plugin runs a Cobertura coverage report even if tests fail. If there are multiple test tasks, it will run the cobertura reports after the last test task that ran. Note that if there is a test failure other test tasks won't necessarily run. This is consistent with Gradle's behavior when running multiple testing tasks.

  • Per, I've replaced conventions with extensions.

  • This plugin supports Cobertura's coverage check and merge functions.

  • I've worked a lot with build lifecycle to make sure that things only happen if they need to happen, and when they need to happen. For example, we only instrument code if the user wanted to generate coverage reports, and then it instruments right before the tests run so that time is not spent instrumenting if the build fails due to some earlier error.

  • This plugin is published and available on Maven Central, separating use of the plugin from the source tree on GitHub.

  • Most importantly, this plugin is clearly licensed as an Apache 2.0 licensed project so users can use this plugin as part of any project they are building.


This is still a work in progress. If anyone would like to help out, here are a few things I'm still trying to accomplish.

  • This plugin needs some robust unit tests. The testclient directory has a little java project that I use to manually test different scenarios, but we could really use some proper unit tests.

  • Did I mention testing? :-) As issues are resolved, it would great if I could have unit tests that made sure that things fixed for prior issues are still fixed. This is becoming more important as I do more work with multi project builds and multi language projects.


To build this plugin from source use the following command:

./gradlew install

This will create a local jar and put it in your local maven repository. you can reference it in your builds like this:

buildscript {
	repositories {
	dependencies {
		classpath 'net.saliman:gradle-cobertura-plugin:3.0.0'
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