vi /etc/hosts 配置集群内主机的域名映射注意问题

linux虚拟机内集群报错:java.net.ConnectException: Connection refused,

2019-03-18 15:18:15,750 WARN org.apache.hadoop.hdfs.server.datanode.DataNode: IOException in offerService
java.io.EOFException: End of File Exception between local host is: "localhost/127.0.0.1"; destination host is: "hdp-01":9000; : java.io.EOFException; For more details see: 

在vi /etc/hosts时,删掉

127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4

::1         localhost localhost.localdomain localhost6 localhost6.localdomain6

vi /etc/hosts 配置集群内主机的域名映射注意问题_第1张图片

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