
This is about the RuleSetReferenceId and how we resolve such a id to a real ruleset. It is mostly backwards compatible.
How to build PMD ? ================== Simply use maven: $ mvn compile PMD now uses a small plugin to generate its website, so if you want to build the website ($ mvn site), you'll need to install it: $ cd ../maven-plugin-pmd-build $ mvn clean install That's all !