JBoss AS 7.1.1 Singleton with Startup and Asynchronous method not working

ccob Nov 1, 2012 8:37 AM

Hi All,

I am currently trying to start a backround process within my application with a Singleton EJB. The EJB is marked Singleton and Startup and I also have a PostConstruct method which makes the call to the Asynchronus annotated method.

The PostConstruct does indeed get executed on startup as expected, but when I make the call to the startAsync method, which is annotated with Asynchronus, the method doesn't get invoked asynchronusly as log messages show the same thread name as the PostConstruct method.

I am running with the standalone-full configuration. Can anyone shed any light on this issue?

Thanks

1. Re: JBoss AS 7.1.1 Singleton with Startup and Asynchronous method not working

sfcoy Nov 1, 2012 9:07 PM (in response to ccob)

You can't call the startAsync method from within the same EJB because it makes a direct method call instead of invoking through a proxy.

One approach would be to split it into two singleton EJBs and inject the one with Async method into the @Startup bean with @EJB. You can then call startAsync from the @PostConstruct method of the @Startup bean.

Consider moving this discussion over to the JBoss AS 7 forums.

Edit: Actually, the bean with @Asynchronous method just needs to be an ordinary stateless session bean if you do it this way.
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2. Re: JBoss AS 7.1.1 Singleton with Startup and Asynchronous method not working

ccob Nov 2, 2012 8:10 AM (in response to sfcoy)

That makes sense. Guess it's kind of similar to how Hibernate proxies work. Thanks for the help.
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