onse returned by the server is not
 <a href="../core/Response.Status.Family.html#SUCCESSFUL"><code>successful</code></a>.</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="submit()">
<h3>submit</h3>
<div class="member-signature"><span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/concurrent/Future.html" title="class or interface in java.util.concurrent" class="external-link">Future</a>&lt;<a href="../core/Response.html" title="class in jakarta