Github user mateiz commented on the pull request:
https://github.com/apache/spark/pull/926#issuecomment-44910051
I don't think we want to change the examples like this. Instead, we should
make the default spark.master be local instead of having an exception (I
believe there was a JIRA for that). Nonetheless the examples show how you are
supposed to write a spark-submit app today so we should leave them as they are.
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