racle.com/javase/7/docs/api/java/lang/NullPointerException.html?is-external=true" title="class or interface in java.lang">NullPointerException</a></code> - if context is <code>null</code></dd>
<dd><code><a href="../../javax/el/PropertyNotFoundException.html" title="class in javax.el">PropertyNotFoundException</a></code> - if <code>base</code> is not <code>null</code> and the specified property does not
 exist or is not readable.</dd>
<dd><code><a href="../../javax/el/ELException.html" title="class in javax.