ttern. The path will be
 canonicalized as per <a href="https://jakarta.ee/specifications/servlet/6.0/jakarta-servlet-spec-6.0.html#request-uri-path-processing">Servlet
 6.0, 3.5</a>. This method will not return any encoded characters unless the container is configured specifically to
 allow them.</dd>
<dt>Throws:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/IllegalArgumentException.html" title="class or interface in java.lang" class="external-link">IllegalAr