Github user Leemoonsoo commented on the issue:
https://github.com/apache/zeppelin/pull/1400
I'm sorry my comment is bit late. code is already been merged.
But let my write it for the records
Because of all our documents and scripts uses `-Pscala-2.xx` instead of
`-Dscala-2.xx`. And with `-Pscala-2.xx` we don't have any problem.
Build instruction
https://github.com/apache/zeppelin#-pscala-version-optional
travis ci script
https://github.com/apache/zeppelin/blob/master/.travis.yml#L43
release script
https://github.com/apache/zeppelin/blob/master/dev/create_release.sh#L106
If we want to use `-D` instead of `-P` to activate profile, that's
different story.
I think using `-D` is actually more flexible than `-P` in maven, but while
all other profiles are activated by `-P`, i'm not sure only activating scala
profile by `-D` can be helpful and beneficial.
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