[GitHub] incubator-predictionio issue #436: [PIO-125] Add Spark 2.2 support

[marevol]

Github user marevol commented on the issue:

    https://github.com/apache/incubator-predictionio/pull/436
  
    For test failures on Travis, I think it's Travis problem. [My 
Travis](https://travis-ci.org/jpioug/incubator-predictionio/builds/282978334) 
result is passed.
    
    Spark 2.2 seems to break Guava dependency...
    @shimamoto looked into this problem.



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