title: <opencv_storage> gives error of haarcascade xml file
body: <p>In haarcascade xml files (of OpenCV in java), I get an error at</p>
  <pre><code>&lt;opencv_storage&gt;
      &lt;cascade type_id=&quot;opencv-cascade-classifier&quot;&gt;
      
  .....
  &lt;/opencv_storage&gt;
  </code></pre>
  <p>First line &lt;opencv_storage&gt; gives error when i run my android app in my phone.</p>