title: Cannot find tag library descriptor error: displaytag & spring
body: <p>I get three errors in 2 of my .jsp pages namely:</p>
  
  <p>Line 1:</p>
  
  <pre><code>&lt;%@ taglib prefix="spring" uri="/spring" %&gt;
  </code></pre>
  
  <p>Error message: Can not find the tag library descriptor for "/spring"</p>
  
  <p>Line 2:</p>
  
  <pre><code>&lt;%@ taglib uri="http://displaytag.sourceforge.net/" prefix="display" %&gt;
  </code></pre>
  
  <p>Error message:
  Multiple annotations found at this line:
      - Can not find the tag library descriptor for "http://
       displaytag.sourceforge.net/"
      - Can not find the tag library descriptor for "http://
       displaytag.sourceforge.net/"</p>
  
  <p>Am I missing a specific .jar file in my project?</p>