Please refer this question: Centos With Plesk11.x
I did same configuration on another VPS but with no luck. Log says: errno=13. Load balancing workers will not function properly
Please help me
Disable SELINUX to fix this problem
set enforce 0
and then follow these steps
yum -y install policycoreutils-python
semanage fcontext -a -t httpd_var_run_t "/var/run/mod_jk(/.*)?"
service httpd restart