puppet can't get the right service status from centos5.3

[li jackie]

why puppet think the service is running?   /sbin/service puppet status  or  /etc/init.d/puppet status   return the right status and exit codebecause of this, i have always  get a changed message:fff

Notice: /Stage[main]/Puppet/Service[puppet]/ensure: ensure changed 'running' to 'stopped'

my cluser show a rule:   almost all centos 5.3  have this issue.  5.8 and above 6  havn't