AIX 下crontab 任务执行不成功?

anderlee

OS:AIX5.3
oracle 用户下一sh脚本，单独执行此脚本可以成功执。
但是放到crontab 下执行,从/var/adm/cron/log下看
到大部是以下错误，请问大侠什么原因？

# tail -10 log
oracle    : CMD (  /u05/home/erp/load_data.sh ) : PID ( 974988 ) : Thu Aug 30 15:56:00 2012
Cron Job with pid: 974988 Failed
oracle    : CMD (  /u05/home/erp/load_data.sh ) : PID ( 790690 ) : Thu Aug 30 16:00:00 2012
Cron Job with pid: 790690 Failed
oracle    : CMD (  /u05/home/erp/load_data.sh ) : PID ( 9371858 ) : Thu Aug 30 16:05:00 2012
Cron Job with pid: 9371858 Failed
oracle    : CMD (  /u05/home/erp/load_data.sh ) : PID ( 9474166 ) : Thu Aug 30 16:10:00 2012
Cron Job with pid: 9474166 Successful
oracle    : CMD (  /u05/home/erp/load_data.sh ) : PID ( 9412828 ) : Thu Aug 30 16:15:00 2012
Cron Job with pid: 9412828 Failed