title: Tag Library supports namespace: https://ajax4jsf.dev.java.net/ajax, but no tag was defined for name: support
body: <p>When I tried to add <code>&lt;a4j:support&gt;</code> tag to JSF 2.0, I got the following error</p>
  
  <blockquote>
    <p>Tag Library supports namespace: <a href="https://ajax4jsf.dev.java.net/ajax" rel="nofollow">https://ajax4jsf.dev.java.net/ajax</a>, but no tag was defined for name: support</p>
  </blockquote>
  
  <p>How is this caused and how can I solve it?</p>