Github user kahirul commented on the issue:
https://github.com/apache/incubator-predictionio/issues/375
Hi @washingon!
Based on some responses at PIO incubator mailing list, I managed to solve
mine.
Here is what I did. I was adding `scalaVersion := "2.1.0"` and adjust PIO
version to `0.11.0-incubating` on failing engine
[build.sbt](https://github.com/kahirul/docker-predictionio/commit/d9b28b5aaa4229d38631e9014758640d0380e59d?diff=unified#diff-a2d5a333149e0503d95ee9e8a83c0be6)
file. And I can build the engine successfully.
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