, and indicates that the cause is nonexistent or
                unknown.)</dd>
<dt><span class="simpleTagLabel">从以下版本开始:</span></dt>
<dd>1.4</dd>
</dl>
</li>
</ul>
<a name="DaoException-java.lang.Throwable-">
<!--   -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>DaoException</h4>
<pre>public&nbsp;DaoException(java.lang.Throwable&nbsp;cause)</pre>
<div class="block">Constructs a new runtime exception with the specified cause and a
 detail message of <tt>(cause==null ? null : cause.