We are pleased to announce the Maven PMD Plugin 1.10-SNAPSHOT release! 

http://maven.apache.org/maven-1.x/plugins/pmd/

The Maven PMD plugin is a plugin that wraps the PMD framework 
(http://pmd.sourceforge.net). PMD is a source checking framework that works by 
scanning Java source code and looks for potential problems like: unused local 
variables, empty catch blocks, unused parameters, empty 'if' statements, etc. 

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Changes in this version include:

  New Features:

o Add an alternative jsl stylesheet that includes priority information. 
  Thanks to James Dempsey. 
o Allow custom JSL stylesheet to be defined via a property. Fixes MPPMD-27. 

  Fixed bugs:

o Cannot run pmd with Strings rulesets. Fixes MPPMD-30. 

  Changes:

o Update dependencies to unify them between plugins. The following 
  dependencies are updated : jaxen v1.0-FCS-full to 1.1-beta-9. The following 
  dependencies are removed : saxpath. 
o Upgrade to pmd-3.7.  

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To automatically install the plugin, type the following on a single line:

maven plugin:download
  -Dmaven.repo.remote=http://repo1.maven.org/maven,http://people.apache.org/repo/m1-snapshot-repository/
  -DgroupId=maven
  -DartifactId=maven-pmd-plugin
  -Dversion=1.10-SNAPSHOT

For a manual installation, you can download the plugin here:
http://www.apache.org/dyn/closer.cgi/java-repository/maven/plugins/maven-pmd-plugin-1.10-SNAPSHOT.jar
 

Have fun!
-The Maven PMD Plugin development team