 thread and passed to any handler activated by a
 <code>Policy</code> provider (on the thread).
 The value <code>null</code> is a legitimate value for this parameter,
 and is the value that will be used in the activation of handlers
 if the <code>setHandlerData</code> has not been called on the thread.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/8/docs/api/java/lang/SecurityException.html?is-external=true" title="class or interface in java.lang">Se