问题描述
启动辅助名称节点[7]
7：ssh：连接到主机0.0.0.7端口22：连接超时
次要名称节点由于连接超时而未启动 如何在 Ubuntu 20.04.1 LTS 上解决此问题？
vivek @ 7：〜$ start-all.sh
WARNING: Attempting to start all Apache Hadoop daemons as pradeep in 10 seconds.
WARNING: This is not a recommended production deployment configuration.
WARNING: Use CTRL-C to abort.
Starting namenodes on [localhost]
Starting datanodes
Starting secondary namenodes [7]
7: ssh: connect to host 0.0.0.7 port 22: Connection timed out
2020-10-15 18:00:39,116 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
Starting resourcemanager
Starting nodemanagers
vivek @ 7：〜$ jps
6256 NodeManager
5649 NameNode
6098 ResourceManager
6586 Jps
5788 Datanode
解决方法
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