I have a web service that needs to do some cleanup (shut down a background thread). So I implemented a method annotated with @PreDestroy. Unfortunately, the method is never called. I would have expected it to be called when the web service application is undeployed or disabled, but it is not.
This is an extremely simple JAX-WS web service written in Netbeans 6.1 and deployed to Glassfish v3.
I looked at the specs, and it's a bit vague about exactly when PreDestroy methods are to be called. The language says "Should" rather than "Must".
Question: Is there a reliable way I can get my method called whenever the app is undeployed or redeployed? Note that my @PostConstruct method *does* get called!
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