title: What is wrong with this struts-config.xml?
body: <p>Getting the following error :
     java.lang.NullPointerException: Module 'null' not found.</p>
  
  <pre><code> &lt;?xml version="1.0" encoding="UTF-8" ?&gt;
  
  
      &lt;struts-config&gt;
  
          &lt;form-beans&gt;
              &lt;form-bean name="RegistrationForm" type="com.testapp.actionform.RegistrationForm" /&gt;
          &lt;/form-beans&gt;
  
          &lt;global-exceptions&gt;
          &lt;/global-exceptions&gt;
  
          &lt;global-forwards&gt;
          &lt;/global-forwards&gt;
  
          &lt;action-mappings&gt;
  
              &lt;action path="/Registration" type="com.testapp.action.RegistrationAction" name="RegistrationForm"   scope="request" validate="false" input="index.jsp" &gt;
                  &lt;forward name="success" path="/pages/RegistrationSuccess.jsp" /&gt;
              &lt;/action&gt;
  
          &lt;/action-mappings&gt;
  
          &lt;message-resources parameter="resources.Application" /&gt;
  
      &lt;/struts-config&gt;
  </code></pre>