event
glassfish:web:servlet:servletDestroyedEvent(
java.lang.String servletName,
java.lang.String appName,
java.lang.String hostName)
This event is sent whenever a servlet has been removed from service, that is, after the servlet has been invoked at its destroy method.
servletNameThe name of the servlet that has been destroyed.
appNameThe name of the web application to which the servlet belongs.
hostNameThe name of the virtual server on which the application has been deployed.