title: How add external controller to ZEND module
body: <p>I want make a in my CMS autoload plugin, which will be automaticly load externall controller to my admin module.</p>
  
  <p>I writing because I have problem with add external controller to my Zend module.
  My situation is:
  I have Admin module and external catalog:
  ROOT_PATH
  |-modules
      |-ModProducts
          |-controller
          |-forms
          |-models
              |-DbTable
          |-views</p>
  
  <p>Zend give me instruction addControllerDirectory but When use this instruction:</p>
  
  <pre><code>$frontController = Zend_Controller_Front::getInstance();
  
      $frontController-&gt;addControllerDirectory(
          ROOT_PATH . '/modules/mod_products/controllers','admin'
          );
      $frontController-&gt;addControllerDirectory(
          APPLICATION_PATH . '/modules/admin/controllers','admin'
          );
  </code></pre>
  
  <p>Module Products not working. I get error: " Invalid controller specified (Module-Products)" </p>
  
  <p>When i change line in the code:
      $frontController = Zend_Controller_Front::getInstance();</p>
  
  <pre><code>    $frontController-&gt;addControllerDirectory(
          APPLICATION_PATH . '/modules/admin/controllers','admin'
          );
  
      $frontController-&gt;addControllerDirectory(
          ROOT_PATH . '/modules/mod_products/controllers','admin'
          );
  </code></pre>
  
  <p>My Admin module is not working and I get this same errror.</p>
  
  <p>I know how load resources (forms, models etc.) but i don't know how load external controller.</p>
  
  <p>Please helpe me.</p>