Bash script dont works when executed as cronjob

[postcd]

Hello,

i have cronjob:

crontab -l
Code:
* * * * * pkill -f domexpcheck;sh /root/dom/domexpcheck.sh
it runs:

/var/log/cron
Code:
Mar 25 12:11:01 vps crond[17808]: (root) CMD (pkill -f domexpcheck;sh /root/dom/domexpcheck.sh)
but somehow script dont run properly via cronjob. But when i execute cronjob command (pkill -f domexpcheck;sh /root/dom/domexpcheck.sh) from command line it works good... (i receive test email), via cron i dont receive and appears that script wont do the job

stat /root/dom/domexpcheck.sh
Code:
File: `/root/dom/domexpcheck.sh'
Size: 5542 Blocks: 16 IO Block: 4096 regular file
Device: 17h/23d Inode: 23953953 Links: 1
Access: (0755/-rwxr-xr-x) Uid: ( 0/ root) Gid: ( 0/ root)
Access: 2014-03-24 23:46:21.000000000 +0100
Modify: 2014-03-24 23:45:46.000000000 +0100
Change: 2014-03-24 23:45:46.000000000 +0100
whoami
Code:
root
head /root/dom/domexpcheck.sh
Code:
[root@vps /]
#pkill -f domexpcheck
set -ex
cd /root/dom
please any ideas why it dont works via cron?

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