增强目录权限hdfs dfs-chmod-R777${hdfs_path}# hdfs dfs -chmod -R 777 /chmod: changing permissions of/:Permission denied.userroot is not the owner ofinode/遇到以上问题需 先切换至hdfs# su - hdfs$ hdfs dfs-chmod-R777/FQA2026-07-1716:02:43,674INFO mapreduce.JobSubmitter:Cleaning up the staging area/user/root/.staging/job_1784275308855_0001 org.apache.hadoop.security.AccessControlException:Permission denied:userroot,accessEXECUTE,inode/user:hdfs:supergroup:drwx------解决sudo-i-u hdfs # 增加other执行权限允许root/普通用户进入/user目录 hdfs dfs-chmod711/user