[jboss-as7-dev] EL 3

[Gunnar Morling]

2013/4/24 Rémy Maucherat <rmaucher at redhat.com>

> On 04/24/2013 10:13 AM, Emmanuel Bernard wrote:
> > We have seen bugs in the EL around calls to methods with varargs that
> made it unusable for Bean Validation. We reported it to oracle but I don't
> know if that has been fixed since. Hardy and Gunnar can comment more
> accurately than my 10000 feet view.
> > We have been happy with JUEL AFAIR.
>

We started with JUEL but then switched over to the RI. We worked around the
var-args issue by plugging in a custom ELResolver which takes care of the
var-args method invocation. That way HV doesn't depend on a specific EL
impl and our tests pass with RI and JUEL.


> I don't see anything wrong with using your own, especially if you don't
> need the EL3 functionality ASAP. If you do, it's probably the only
> option available for some time. So it will be used by Jasper through the
> EL3 API and from its own com.sun.el module (probably), while the current
> impl is bundled.
>

I'm not sure I'm following, does that mean you will create a dedicated
module for the EL stuff or not?

Having our own copy of the EL libs in the HV module works, definitely for
the time being. I assumed though that having one EL module which can be
used by all EL clients would be beneficial for the sake of the distribution
size (admittedly the RI JARs are < 150 KB).


> Yes, I don't think it was perfect for method mapping, but it's a pretty
> convoluted topic overall.
>
> Rémy
>
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