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. 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.