html - codeigniter, php error - errot text problem -

i use codeigniter framework in project. encountered php error. english errors display well~ but, there odd texts can not readable. this...

a php error encountered  severity: warning  message: simplexml_load_file(http://localhost/uploads/seoul.kml) [function.simplexml-load-file]: failed open stream: ����� ��������κ��� ����� ��� �������� ���߰ų�, ȣ��Ʈ�κ��� ����� ��� ������ ������ϴ�.  filename: controllers/editor.php  line number: 113 

so, think it's becase of text encoding~ . project's setting utf-8(korean)) in config/congif.php.

$config['charset'] = "utf-8"; 

but, can not find should put html utf-8 setting this.

in application/error/error_php.php file, can not find place put utf-8 setting this. because it's div tags, no html header.

<div style="border:1px solid #990000;padding-left:20px;margin:0 0 10px 0;">  <h4>a php error encountered</h4>  <p>severity: <?php echo $severity; ?></p> <p>message:  <?php echo $message; ?></p> <p>filename: <?php echo $filepath; ?></p> <p>line number: <?php echo $line; ?></p>  </div> 

or, crashed text not utf-8 problem? idea please~

the problem seems cannot open website , read it. allow_url_fopen set on in php configuration?

edit

i quick saw url. question instead: file readable?

try:

<?php $file = 'uploads/seoul.kml';  if ( file_exists($file) ) {    if ( is_readable($file) ) {     print_r(simplexml_load_file($file));   }   else {     echo "file not readable";   } } else {   echo "file not exist"; } ?>