查看日誌
cat /var/log/spark/spark-root-org.apache.spark.deploy.worker.Worker-1-cdhm2.out
ERROR Worker:73 - Failed to create work directory /opt/cloudera/parcels/CDH-6.2.0-1.cdh6.2.0.p0.967373/lib/spark/work報錯顯示無法創建work目錄
查看該目錄，發現存在了一個work目錄
ls /opt/cloudera/parcels/CDH-6.2.0-1.cdh6.2.0.p0.967373/lib/spark
work刪除該work目錄rm -rf work
worker進程正常啓動。