I've also seen this warning when running concurrent builds with Maven 3.0.4, so perhaps we should check if those plugins can be updated, otherwise we might see invalid results (and the rat report is something we need to trust) when running builds in parallel.
[WARNING] ***************************************************************** [WARNING] * Your build is requesting parallel execution, but project * [WARNING] * contains the following plugin(s) that are not marked as * [WARNING] * @threadSafe to support parallel building. * [WARNING] * While this /may/ work fine, please look for plugin updates * [WARNING] * and/or request plugins be made thread-safe. * [WARNING] * If reporting an issue, report it against the plugin in * [WARNING] * question, not against maven-core * [WARNING] ***************************************************************** [WARNING] The following plugins are not marked @threadSafe in Apache jclouds: [WARNING] com.ning.maven.plugins:maven-duplicate-finder-plugin:1.0.5 [WARNING] org.apache.rat:apache-rat-plugin:0.10 [WARNING] ***************************************************************** On 5 May 2014 17:52, Andrew Phillips <aphill...@qrmedia.com> wrote: > Some interesting initial data [1]. First point to note: unable to reproduce > the compilation failure so far: > > Maven 3.1.0, "clean verify -e -T 2C -Dmaven.javadoc.skip=true": Aborted > Maven 3.1.0, "clean verify -e -T 2C -Dmaven.javadoc.skip=true": Failed > Maven 3.0.5, "clean verify -e -T 2C -Dmaven.javadoc.skip=true": Aborted > Maven 3.0.5, "clean verify checkstyle:checkstyle -e -T 2C > -Dmaven.javadoc.skip=true": Aborted > Maven 3.0.5, "clean compile -e -T 2C -Dmaven.javadoc.skip=true": Success > Maven 3.0.3, "clean compile -e -T 2C -Dmaven.javadoc.skip=true": Success > > ap > > [1] > https://jclouds.ci.cloudbees.com/job/EXPERIMENTAL-jclouds-java-7-parallel/
