 is bundled in a JAR file inside the <tt>WEB-INF/lib</tt> directory of an
 application, its <tt>onStartup</tt> method will be invoked only once during the startup of the bundling application.
 If this <tt>ServletContainerInitializer</tt> is bundled inside a JAR file outside of any <tt>WEB-INF/lib</tt>
 directory, but still discoverable as described above, its <tt>onStartup</tt> method will be invoked every time an
 application is started.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><