SafeModeException: Cannot delete. Name node is in safe mode 解决方案

SafeModeException: Cannot delete. Name node is in safe mode.
错误现象 :解决方案

错误现象 :

WARN yarn.Client: Failed to cleanup staging dir hdfs://cpucode101:8020/user/cpu/.sparkStaging/application_1644582696121_0001 org.apache.hadoop.hdfs.server.namenode.SafeModeException: Cannot delete /user/cpu/.sparkStaging/application_1644582696121_0001. Name node is in safe mode.

解决方案
强制 NameNode 离开安全模式
hadoop dfsa

SafeModeException: Cannot delete. Name node is in safe mode 解决方案最先出现在Python成神之路。