class httpd {
    package { "httpd":
        ensure => '2.2.13',
        require => Yumrepo["live"],
        notify => Service[httpd],
    }
    if ( ($server_env == 'int') or ($server_env == 'test') ) {
        Package[httpd] {
            ensure => '2.2.14-6',
        }
    }
    service { "httpd":
        enable => true,
        require => Package[httpd],
        ensure => running,
        hasstatus => true,
    }
}

err: Could not retrieve catalog: Parameter 'ensure' is already set on Package[httpd] by httpd at /etc/puppet/modules/httpd/manifests/init.pp:3; cannot redefine at /etc/puppet/modules/httpd/manifests/init.pp:16 on node xxxxxx