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2020-09-23_exception in thread "main" org.apache.spark.sparke

exception in thread "main" org.apache.spark.sparkexception: when running wit

-----Spark 

xshell中出现如下错误:

Exception in thread "main" org.apache.spark.SparkException: When running with master 'yarn' either HADOOP_CONF_DIR or YARN_CONF_DIR must be set in the environment.

解决办法:修改/opt/module/spark-yarn/conf/spark-env.sh(spark-env.sh 最开始的名字为 spark-env.sh.template,需要将其修改为spark-env.sh ),添加YARN_CONF_DIR配置,保证后续运行任务的路径都变成集群路径,最后spark-env.sh文件的最后添加上

 

  YARN_CONF_DIR=/opt/module/hadoop-3.1.3/etc/hadoop

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