Github user tdas commented on the pull request:
https://github.com/apache/spark/pull/7321#issuecomment-120097912
@sarutak This code will not work because sc2 will throw an error that there
cannot be two active sparkcontexts in the same JVM.
@mengxr The point of getOrCreate is to get a SQLContext if one is already
active, rather than creating a new SQLContext. If there isnt any active, then a
new one will be started using the provided SparkContext.
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