Github user bzz commented on the pull request: https://github.com/apache/incubator-zeppelin/pull/265#issuecomment-136240841 Mailing list mentions `maven 3.1.0` regarding to some compatibility issues with [eirslett/frontend-maven-plugin](https://github.com/eirslett/frontend-maven-plugin) . JIRA issue does not mention maven version. Still not clean why maven 3.3.x is required (although I also have trouble once, building with maven 3.2.x)
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