Stateless EJB Webservices vs Endpoint.publish() API for a production system

Hello,
I am currently designing an SOA JEE application using JAX-WS Webservices for the synchronous calls and JMS (MDB) for asynchronous access.
It is packaged in a EAR containing one EJB module (no WAR), so I decided first to publish the Webservices using the javax.xml.ws.Endpoint.publish() method via the Spring org.springframework.remoting.jaxws.SimpleJaxWsServiceExporter. It's working very well and I can inject easily spring beans into my JAX-WS webservice, .. but :
- I cannot see the published webservices in the Weblogic console
- I have no idea on how the webservices instances are handled (just one ? )
- Is it robust enough to be used in production in a critical financial application ?
On the other hand, I just have to add a @Statless annotation to turn my JAX-WS classes into real EJB-Webservice aware, but it probably adds overhead in the Weblogic server and it's a bit more complicated to inject Spring resources.
Any advice will help.
Thanks
GM

Hi Kaustubh,
A topic subscriber only receives messages that are published after it is registered with the topic. Your code for send() creates a publisher that sends the message to the topic before you create a new subscriber in your receive() code. Since that subscriber is created after your publisher has sent its message your subscriber will never receive this message!
Your code will have the expected behaviour if you use a queue instead of a topic. If you have to use a topic, you could create your subscriber and your publisher in the init() method of your EJB and reuse them in your send() and receive() methods.
Hope it helps.
Best regards
Arnaud Simon
Arjuna Technologies - http://www.arjuna.com

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