Github user rdblue commented on the pull request:
https://github.com/apache/spark/pull/13236#issuecomment-221083829
@yhuai, I know that the IsolatedClientLoader is used to load multiple
versions of Hive, but Hive should be able to use the version of Hadoop that
Spark has already loaded without problems. I think there should only be one
version of Hadoop, the one that Spark provides.
I don't see the value in loading a version of Hadoop only for Hive, when
Hive is built to be able to work with any version of Hadoop.
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