Request for run the codeigniter method from batch file

I need run controller method from batch file with windows scheduler using windows 7 and windows 8

in my batch file:

C:\xampp\htdocs\directwave>C:\xampp\php\php.exe index.php messages send_auto

found below error in cmd prompt

<h4>A PHP Error was encountered</h4>

<p>Severity: Warning</p>
<p>Message:  Cannot modify header information - headers already sent by (output
started at C:\xampp\htdocs\directwave\system\core\Exceptions.php:186)</p>
<p>Filename: libraries/Session.php</p>
<p>Line Number: 689</p>

</div><div style="border:1px solid #990000;padding-left:20px;margin:0 0 10px 0;"
>

<h4>A PHP Error was encountered</h4>

<p>Severity: Warning</p>
<p>Message:  Cannot modify header information - headers already sent by (output
started at C:\xampp\htdocs\directwave\system\core\Exceptions.php:186)</p>
<p>Filename: helpers/url_helper.php</p>
<p>Line Number: 543</p>



can u plz help me

A think that a batch file can access CI controllers only from CLI. Sessions only work for browsers. http://www.codeigniter.com/userguide3/general/cli.html

Website: http://avenir.ro