for (int i = 0; i < wrapperListeners.length; i++) {
try {
Class<?> clazz = Class.forName(wrapperListeners[i]);
ContainerListener listener =
(ContainerListener) clazz.newInstance();
wrapper.addContainerListener(listener);
} catch (Throwable t) {
ExceptionUtils.handleThrowable(t);
log.error("createWrapper", t);
return (null);
}