users@jaxb.java.net

Re: java.lang.reflect.Proxy: NoClassDefFoundError

From: Ed Mooney <Ed.Mooney_at_sun.com>
Date: Wed, 11 Jun 2003 13:59:05 -0400

Hi Marcus,

A scan of

     http://java.sun.com/j2se/1.3/docs/relnotes/features.html

raised a couple of alarms, but a grep through the code came up empty for
the features in question.

Regards,
--
Ed Mooney         |Sun Microsystems, Inc.|Time flies like
Java Web Services |UBUR02-201            |an arrow, but
Ed.Mooney_at_Sun.COM |1 Network Drive       |fruit flies like
781-442-0459      |Burlington, MA  01803 |a banana. Groucho
Marcus Walls wrote:
> Ed Mooney wrote:
>
>  >J2SE v1.3.1 has always been the minimum requirement for JAXB 1.0.
>
> I stupidly missed that in the release notes the first time round.
> Maybe that's a good thing though, since JDK1.2.2 support is mandatory
> for my application, and thus I'd not even have bothered playing with
> JAXB.
>
>  >JAXB's dependence on java.lang.reflect.Proxy is new in 1.0.1.
>  >Is there any reason to hope Websphere may support v1.3.1?
>
> Unfortunately not for my version of WebSphere.  Later versions
> support 1.3 and 1.4, but WebSphere 3.5.x which is the most widely
> deployed version of WebSphere only supports 1.2.2.
>
> Having written lots of JAXB code into my application now and been
> working with it for a few months with version 1.0, I think I'm
> going to have to take a risk and stay with 1.0 even though it's
> not supported as testing has gone well to date, and it would be
> costly to throw JAXB out now.
>
> My schemas are very simple, and I'm not doing anything complex
> in my view.  Could you shed any light on which specific features
> of JAXB1.0 require 1.3, so that I can make a guess on whether I'm
> likely to run into some trouble later on?
>
> Thanks
>
> Marcus