Github user bzz commented on the pull request:
https://github.com/apache/incubator-zeppelin/pull/810#issuecomment-204675812
[ZEPPELIN-786](https://issues.apache.org/jira/browse/ZEPPELIN-786) was
created for caching `.m2`
Looks like current CI on master is failing to populate cache and download
1.1 and 1.2 from slow mirrors..
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