Exception will be thrown if ZendMonitorHandler is instantiated without having Zend Server installed.

src/Monolog/Handler/MissingExtensionException.php

@@ -0,0 +1,22 @@
+<?php
+
+/*
+ * This file is part of the Monolog package.
+ *
+ * (c) Jordi Boggiano <j.boggiano@seld.be>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Monolog\Handler;
+
+/**
+ * Exception can be thrown if an extension for an handler is missing
+ *
+ * @author  Christian Bergau <cbergau86@gmail.com>
+ */
+class MissingExtensionException extends \Exception
+{
+
+}