hadoop启动dfs报错: ERROR: Cannot set priority of namenode process 496
发现: Does not contain a valid host:port authority: hadoop5.0_103:8031 (configuration property 'yarn.resourcemanager.resource-tracker.address')查看log日志文件/opt/module/hadoop/log。
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问题

查看log日志文件/opt/module/hadoop/log
发现: Does not contain a valid host:port authority: hadoop5.0_103:8031 (configuration property 'yarn.resourcemanager.resource-tracker.address')
原因:主机的hostname不合法,应修改为不包含着‘.’ ‘/’ '_'等非法字符。
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