title: Multiple dex files define Lorg/apache/harmony/awt/internal/nls/Messages
body: <p>I am currently developing android application which is in include "Generate PDF" and "Send mail with out user interacting (Send mail in background)". I am using 4 library. <strong>activation.jar</strong>, <strong>additionnal.jar</strong>, <strong>mail.jar</strong> &amp; <strong>droidText.0.2.jar</strong>. When i run this project it's give error.</p>
  
  <pre><code>[2014-10-17 17:58:00 - Dex Loader] Unable to execute dex: Multiple dex files define Lorg/apache/harmony/awt/internal/nls/Messages;
  [2014-10-17 17:58:00 - PdfMail] Conversion to Dalvik format failed: Unable to execute dex: Multiple dex files define Lorg/apache/harmony/awt/internal/nls/Messages;
  </code></pre>
  
  <p>I see many link. Like <a href="https://stackoverflow.com/questions/18173704/unable-to-execute-dex-multiple-dex-files-define-lorg-apache-harmony-awt-interna">this</a>
  But i am not getting right answer. So How can i resolve this?</p>
  
  <p><strong>Edited</strong></p>
  
  <p>I solve this problem. I have just replace <strong>droidText.0.2.jar</strong> with <strong>itextg-5.5.3.jar</strong> file.</p>