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Hive COUNT query fails with both Spark and MapReduce execution engines: Spark client creation failed and MapRedTask returns error code 2

Normal query does works: hive> SELECT * FROM grades; OK Alfalfa Aloysius 123-45-6789 40.0 90 100.0 83.0 49.0 D- Alfred University 123-12-1234 41.0 97 96.0 97.0 48.0 D+ Gerty Gramma...