yncContext</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the (re)initialized AsyncContext</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</a></code> - if the request is within the scope of a filter or servlet that does not support
 asynchronous operations (that is, <a href="../../jakarta/servlet/ServletRequestWr