title: Netbeans 6.8 , JDK 1.6 and Simple Validation API
body: <p>I am using Netbeans 6.8 , JDK 1.6 and downloaded Simple Validation API.
  When I try the code, it gives me errors referencing "org/openide" classes.</p>
  
  <p>Could this be a compatibility issue? How can I resolve this?</p>
  
  <pre><code>Exception in thread "AWT-EventQueue-0" java.lang.NoClassDefFoundError: org/openide/util/Lookup
          at org.netbeans.validation.api.ui.swing.SwingComponentDecorationFactory.getDefault(SwingComponentDecorationFactory.java:154)
          at org.netbeans.validation.api.ui.swing.SwingValidationGroup.&lt;init&gt;(SwingValidationGroup.java:82)
          at org.netbeans.validation.api.ui.swing.SwingValidationGroup.create(SwingValidationGroup.java:87)
  </code></pre>