本地连接 HDFS 报错 Exception in thread "main" org.apache.hadoop.security.AccessControlException: org.apache.hadoop.security.AccessControlException: Permission denied: user=JM.H,access=WRITE, inode="":r

此时到hdfs机器下修改hdfs-site.xml即可
添加如下配置

                 <property>
                        <name>dfs.permissions</name>
                        <value>false</value>
                </property>

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