Resourcemanager启动失败解决方法
[hadoop@hadoop001 sbin]$ ./start-yarn.sh
starting yarn daemons
starting resourcemanager, logging to /home/hadoop/app/hadoop-2.6.0-cdh5.7.0/logs/yarn-hadoop-resourcemanager-hadoop001.out
nice: /home/hadoop/app/hadoop-2.6.0-cdh5.7.0/bin/yarn: Permission denied
报错内容:Permission denied 权限问题,改变bin文件夹下的yarn的权限:chmod 777 yarn
如果还不能解决则可查看日志:/home/hadoop/app/hadoop-2.6.0-cdh5.7.0/logs/yarn-hadoop-resourcemanager-hadoop001.log
本文解决Hadoop中ResourceManager启动失败的问题,通常由于权限错误导致。通过调整yarn脚本权限为777,多数情况下可解决问题。若仍无法启动,建议检查日志文件/yarn-hadoop-resourcemanager-hadoop001.log以获取更详细错误信息。
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