jsr345-experts@ejb-spec.java.net

[jsr345-experts] Re: How to handle ambiguity on _at_EJB injection?

From: Linda DeMichiel <linda.demichiel_at_oracle.com>
Date: Tue, 30 Oct 2012 11:18:17 -0700

This is covered in section 11.5.1.1 (Injection of EJB references). Are you suggesting that this
be updated to specify Application Assembler rather than Deployer?

On 10/30/2012 1:52 AM, Carlo de Wolf wrote:
> I would like to enter a feature request similar to CDIs handling of ambiguous dependencies [1].
>
> With a statement of:
>
> @EJB BeanInterface bean;
>
> multiple EJBs might be eligible for injection.
>
> As long as the environment onto which the application is deployed does not change, the actual injection will likely stay
> the same every time it is performed. However should, for example, a JDK version be updated or another JDK implementation
> be used. The actual injection might change.
>
> So I would rather see that EJB 3.2 EDR 16.5.2 be updated that an Application Assembler must ensure each EJB reference
> resolves to a single EJB. If not, it would be construed as a deployment error (in the likes of
> AmbiguousResolutionException).
>
> This should be entered as a feature request as it would break backwards compatibility. Alternatively we could just
> demand a warning be logged.
>
> Anybody opposed to having an 'AmbiguousResolutionException'?
>
> Carlo
>
> [1] CDI 1.0 FR 5.2.1 Unsatisfied and ambiguous dependencies