title: Struts: Validate two fields at once
body: <p>I am new with struts and I have a problem that I can't seem to fix.</p>
  
  <p>The thing is, I have two date fields in a <code>.jsp</code> page, and both are required. 
  In short, I have two fields that are required, but I cannot recieve two error messages in case that they are both empty. The only message that must show up is "please insert the date interval", regardless of wich one is empty(or, if they are both empty). </p>
  
  <p>I'm using <code>validation.xml</code>, Struts version 1.3</p>