jdcasey/jandex-maven-plugin — pull request #2 by marschall (2014-01-19 15:48:37+00:00)
Title: Mark Plugin as Thread Safe

In order to profit from Maven 3 paralled builds the plugin has to be
marked as thread safe.

[1] https://cwiki.apache.org/confluence/display/MAVEN/Parallel+builds+in+Maven+3