about Permission perblom

my hadoop cluster enable kerbreos with ldap I use kinit swith to jztwk and mkdir /user/jztwk than I use kinit switch to testldap and delete /user/jztwk,that is successful but I think that I should get a error drwxr-xr-x - jztwk supergroup 0 2021-09-14 17:46 /user/jztwk drwxr-xr-x

Re: Log4j upgrade to 2.x in hadoop for vulnerability fix

Hi Pulkit, Hadoop does not use those log4j network classes unless the user and the administrator configured the setting explicitly. The issue is tracked by [HADOOP-16206] Migrate from Log4j1 to Log4j2 - ASF JIRA (apache.org) Thanks, Akira On