ef="../../javax/servlet/annotation/WebListener.html" title="annotation in javax.servlet.annotation"><code>WebListener</code></a>, or registered via one
 of the addListener methods defined on <a href="../../javax/servlet/ServletContext.html" title="interface in javax.servlet"><code>ServletContext</code></a>.

 <p>
 Implementations of this interface are invoked at their <a href="../../javax/servlet/ServletRequestListener.html#requestInitialized-javax.servlet.ServletRequestEvent-"><code>requestInitialized(java