title: JAVA: MAIL: How can i solve ClassNotFoundException : javax.mail.internet.AddressException?
body: <p>I have some code to send an Email, It works  perfectly in my system. But the problem is I copied this program to another system and which gives the following error on runtime.</p>
  
  <pre><code>ClassNotFoundException : javax.mail.internet.AddressException
  </code></pre>
  
  <p>Note: Both System are Windows 7 </p>
  
  <p>Error</p>
  
  <pre><code>Exception in thread "main" java.lang.NoClassDefFoundError: javax/mail/internet/AddressException
      at java.lang.Class.getDeclaredMethods0(Native Method)
      at java.lang.Class.privateGetDeclaredMethods(Unknown Source)
      at java.lang.Class.getMethod0(Unknown Source)
      at java.lang.Class.getMethod(Unknown Source)
      at sun.launcher.LauncherHelper.getMainMethod(Unknown Source)
      at sun.launcher.LauncherHelper.checkAndLoadMain(Unknown Source)
  Caused by: java.lang.ClassNotFoundException:javax.mail.internet.AddressException
  
      at java.net.URLClassLoader$1.run(Unknown Source)
      at java.net.URLClassLoader$1.run(Unknown Source)
      at java.security.AccessController.doPrivileged(Native Method)
      at java.net.URLClassLoader.findClass(Unknown Source)
      at java.lang.ClassLoader.loadClass(Unknown Source)
      at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
      at java.lang.ClassLoader.loadClass(Unknown Source)
      ... 6 more   
  </code></pre>