Github user kanzhang commented on the pull request: https://github.com/apache/spark/pull/1338#issuecomment-50109757 More on the JavaBean test failure, it seems for RDD[(key, Bean)], all the keys in a partition (or batch, I didn't test partition size > batch size) are paired with the last Bean in that partition (or batch) on the Python side. Does it ring any bells?
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