[cdi-dev] Unexplained change in behavior between Java EE 6 and Java EE 7

[arjan tijms]

Hi,

I agree that there should be two instances of the stateful bean, so
GF3/EAP6 is correct.

It's remarkable then that seemingly GF4 and WF8 have the exact same
integration regression.

At any length this would be a good case for adding an extra test to the TCK
;)

Kind regards,
Arjan

On Monday, December 8, 2014, Jozef Hartinger <jharting at redhat.com> wrote:

>  Hi Steve,
>
> this is not caused by a change in the specification nor in Weld. It is
> probably a regression in GlassFish integration. The correct behavior is the
> former (2 instances) as that is aligned with how @Dependent instances work
> in general. If you need the bean instance to be shared across injection
> points, you can give it a scope other than @Dependent.
>
> HTH,
>
> Jozef
>
> On 12/08/2014 06:08 PM, Steve Millidge wrote:
>
>  Hi
>
>
>
> We are investigating a change in behaviour between Java EE 6 and Java EE 7
> and were wondering if this is a bug or a specification change;
>
>
>
> If there is a RequestScoped bean and SFSB like below, and I call
> invokeStatefulService() on the Request Scoped Bean the behaviour changes
> depending on Java EE version;
>
>
>
> On GFv3 and JBoss EAP 6 the method returns "init" implying we have 2
> separate SFSB instances.
>
> and on GFv4 and WildFly the method returns "stateFromFirst" implying there
> is 1 SFSB instance.
>
>
>
> I would’ve imagined that the second result i.e. 1 SFSB as there is 1
> client bean which exists for the duration of the call is the correct
> behaviour. However I am not sure.
>
>
>
> As both appservers above use JBoss Weld for CDI is this a Weld bug or did
> the behaviour change between Java EE 6 and Java EE 7?
>
>
>
> @RequestScoped
>
> public class Injection {
>
>
>
>     @Inject
>
>     StatefulService first;
>
>
>
>     @Inject
>
>     StatefulService second;
>
>
>
>     public String invokeStatefulService(){
>
>         first.setState("stateFromFirst");
>
>         return second.getState();
>
>     }
>
> }
>
>
>
> @Stateful
>
> public class StatefulService {
>
>
>
>     private String state;
>
>
>
>     @PostConstruct
>
>     public void init(){
>
>         this.state = "init";
>
>     }
>
>
>
>     public void setState(String state) {
>
>         this.state = state;
>
>     }
>
>
>
>     public String getState() {
>
>         return state;
>
>     }
>
> }
>
>
>
>
>
> Steve Millidge
> Director
>
> C2B2
> *The Leading Independent Middleware Experts.*
> T: 08450 539457 *|* M: 07920 100626 *|* W: www.c2b2.co.uk *|* E:
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>
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