th starts with a "/" character and includes the
 path to the servlet, but does not include any extra path information or a query string.

 <p>
 This method will return an empty string ("") if the servlet used to process this request was matched using the "/*"
 pattern.</div>
<dl class="notes">
<dt>Returns:</dt>
<dd>a <code>String</code> containing the path of the servlet being called, as specified in the request URL, or an
 empty string if the servlet used to process the request is matched using the "/*" pa