我遇到了在HDP2.0上运行sparkPI示例的问题我从http://spark.apache.org/downloads.html下载了spark1.0pre-build(对于HDP2)来自spark网站的运行示例:./bin/spark-submit--classorg.apache.spark.examples.SparkPi--masteryarn-cluster--num-executors3--driver-memory2g--executor-memory2g--executor-cores1./lib/spark-examples-1.0.0-hadoop2.2.0.j