title: Zend Framework 1.7 to 1.8 Exception caught by form Method getMaxFileSize does not exist
body: <p>What cause this error message <code>"Exception caught by form Method getMaxFileSize does not exist"</code> after switching from 1.7 version to 1.8 or more</p>
  
  <p>update: Issue produced by code</p>
  
  <pre><code>        -&gt;addElement('file', 'avatar', array(
                'required'    =&gt; false
              , 'label'       =&gt; 'Upload File:'
              , 'destination' =&gt; '/data/avatar'
              , 'filters'     =&gt; array()
              , 'validators'  =&gt; array(
                    array('Extension', false, 'jpg,png,gif')
                  , array('Size', false, 102400)
                  , array('Count', false, 1)
              )
              , 'decorators' =&gt; $this-&gt;groupElementDecorators
          ))
  </code></pre>
  
  <p>update2: 
  group decorators is just an array</p>
  
  <pre><code>$groupElementDecorators = array( 'ViewHelper', 'FormElements', 'File', 'Errors');
  </code></pre>