Exception in thread "main" java.lang.Exception: When running with master 'yarn' either HADOOP_CONF_DIR or YARN_CONF_DIR must be set in the environment.
at org.apache.spark.deploy.SparkSubmitArguments.validateSubmitArguments(SparkSubmitArguments.scala:288)
at org.apache.spark.deploy.SparkSubmitArguments.validateArguments(SparkSubmitArguments.scala:248)
at org.apache.spark.deploy.SparkSubmitArguments.<init>(SparkSubmitArguments.scala:120)
at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:130)
at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)
[spark@ip-10-0-10-76 ~]$