zabbix log on server 0 bytes

[akarim]

Zabbix 2.0.3 (Server)
Centos distro

1045243 0 -rw-rw-r--. 1 zabbix zabbix 0 ene 29 10:33 /tmp/zabbix_agentd.log
1048870 0 -rw-rw-r--. 1 zabbix zabbix 0 ene 29 10:33 /tmp/zabbix_agentd.pid
1045332 0 -rw-rw-r--. 1 zabbix zabbix 0 ene 29 10:33 /tmp/zabbix_server.log
1047092 0 -rw-rw-r--. 1 zabbix zabbix 0 ene 29 10:33 /tmp/zabbix_server.pid

What it's wrong?

I work with zabbix from 1.6 and any porblem wiht logs.

Also work with series zabbix 2 wihtout problem.