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Feb 7, 2019
Jun 18, 2019
Feb 7, 2019

m2e-code-quality Build Status

This project provides Eclipse plugins that bridge the Maven and Eclipse plugins for Checkstyle and PMD. In a Maven project that uses Checkstyle or PMD, the project configures the tools via configuration information the POM or pointed to by the POM.

On the other hand, the Eclipse plugins for these tools provide annotations and as-you-edit notifications of issues. Thus, it's desirable to turn the Maven plugins off in M2E, to turn the Eclipse plugins on, and to move configuration from the Maven plugins to the Eclipse plugins.

In a perfect world, there would be some sort of standardized API that would allow a build tool like Maven to publish this configuration and for IDE plugins to consume it. In reality, this has to be arranged, one plugin-pair at a time, and depends rather delicately on the OSGi manifests of the receiving plugins. If they don't export enough API for programmatic configuration, it cannot be done.

These Eclipse plugins are built with the Tycho Maven plugin. The marriage of OSGi, Eclipse, and Maven is imperfect. In particular, it rarely works to run a build that does not start with 'clean'.


The latest release can be installed from the Eclipse Update Site at

Development environment

This project uses Oomph, and you can set up an Eclipse development environment with the following steps:

  1. Make sure your JRE/JDK has the JCE installed (See and
  2. Downloading the Eclipse Installer from and start it.
  3. On the initial page, click on the Switch to advanced mode button in the top right.
  4. On the Product page, select Eclipse for RCP and RAP Developers.
  5. On the Projects page, collapse the Eclipse Projects to scroll down to the GitHub Projects and select m2e-code-quality.
  6. Make sure to choose the HTTPS anonymous option for the repository.
  7. Choose other preferred installation settings on the Variables page.
  8. Finish the wizard and watch your development environment being assembled.
  9. Create an Eclipse run configuration. The target platform will automatically be setup correctly.


See doc/ for information about how all of this is released.

Mailing list

Activity here is 'coordinated' on a mailing list: