Check the password expiration settings for the user…
[hdfs@cmhlpdlakedg01 tobe]$ crontab -e Authentication token is no longer valid; new one required You (hdfs) are not allowed to access to (crontab) because of pam configuration. [hdfs@cmhlpdlakedg01 tobe]$ [root@cmhlpdlakedg01 log]# chage -l hdfs Last password change : Aug 13, 2015 Password expires : Nov 11, 2015 Password inactive : never Account expires : never Minimum number of days between password change : 7 Maximum number of days between password change : 90 Number of days of warning before password expires : 14 [root@cmhlpdlakedg01 log]# chage -I -1 -m 0 -M 99999 -E -1 hdfs [root@cmhlpdlakedg01 log]# chage -l hdfs Last password change : Aug 13, 2015 Password expires : never Password inactive : never Account expires : never Minimum number of days between password change : 0 Maximum number of days between password change : 99999 Number of days of warning before password expires : 14 [root@cmhlpdlakedg01 log]# su - hdfs [hdfs@cmhlpdlakedg01 ~]$ crontab -e no crontab for hdfs - using an empty one crontab: installing new crontab [hdfs@cmhlpdlakedg01 ~]$ crontab -l 0 1,3,5,7,9,11,13,15,17,19,21,23 * * * /hadoop/feeds/akamai/tobe/copy.sh [hdfs@cmhlpdlakedg01 ~]$