Github user bzz commented on the issue:
https://github.com/apache/zeppelin/pull/1334
> It seems that your builder enforces the usage of Scala 2.11
@mfelgamal you are right, `.travis.yml` contains Scala 2.11 as well as
scala 2.10 profiles.
In this case, could you please explicitly exclude `-pl "\!beam"` from [all
such CI build
profiles](https://github.com/apache/zeppelin/blob/master/.travis.yml#L38) and
put a comment\commit message like `there is no maven Scala 2.11 build for Beam
runner on Flink`
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