spark-shell启动失败Connection refused
来源：2-7 -Spark源码编译及部署
八万杠胡了
2020-03-23
老师，实在尽力了，这个报错搞了4个小时了。
ERROR spark.SparkContext: Error initializing SparkContext.
java.net.ConnectException: Call From hadoop000/192.168.199.102 to hadoop000:8020 failed on conne
ction exception: java.net.ConnectException: Connection refused; For more details see: http://wi
ki.apache.org/hadoop/ConnectionRefused
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Michael_PK
2020-03-23
hadoop000:8020 failed on conne，看报错信息呢，你的hadoop启动了吗
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