aused it to get thrown. Refer to <code>getCause</code> and 
 <code>initCause</code> methods of the 
 <code>java.lang.Throwable</code> class.</span></div>
<div class="block">Add a linked Exception to this ResourceException.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>ex</code> - linked Exception</dd>
</dl>
</li>
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<h4>getMessage</h4>
<pre>public&nbsp;<a href="https://docs.oracle.com/jav