Markus,
People have already mentioned that there are ways to implement this 
without breaking backwards compatibility, so that is really a non-issue.
That said, I'd be in favor of deprecating the old route matching 
(sometime in the future) and making the proposed routing the recommended 
default.
Gili
On 2015-10-18 4:39 PM, Markus Karg wrote:
>
> Unfortunately in the world of backwards compatbility, there is no 
> democracy. ;-)
>
> *From:*Scott Palmer [mailto:swpalmer_at_gmail.com]
> *Sent:* Samstag, 17. Oktober 2015 23:30
> *To:* users_at_jersey.java.net
> *Subject:* [Jersey] Re: Discussion about re-opening a bug: JERSEY-2942
>
> Two against one. Fix the spec :-)
>
> Scott
>
>
> On Oct 17, 2015, at 8:43 AM, Markus Karg <karg_at_quipsy.de 
> <mailto:karg_at_quipsy.de>> wrote:
>
>     The JAX-RS Expert Group discussed the situation and here is the
>     preliminary result:
>
>     * What Jersey does is compliant with the JAX-RS specification, but
>     non-intuitive.
>
>     * What CXF and RestEasy do violates the JAX-RS specification
>     formally, but is intuitive.
>
>     * The Expert Group currently discusses possible solutions.
>
>     -Markus
>
>     *From:*Markus Karg
>     *Sent:* Mittwoch, 7. Oktober 2015 08:30
>     *To:* users_at_jersey.java.net <mailto:users_at_jersey.java.net>
>     *Subject:* AW: [Jersey] Re: Discussion about re-opening a bug:
>     JERSEY-2942
>
>     To stop further confusion, I will take this question with me in
>     the JAX-RS Expert Group forum and discuss it with all vendors, and
>     report the result here.
>
>     -Markus Karg, JAX-RS Expert Group
>
>     *Von:*cowwoc [mailto:cowwoc_at_bbs.darktech.org]
>     *Gesendet:* Dienstag, 6. Oktober 2015 19:55
>     *An:* users_at_jersey.java.net <mailto:users_at_jersey.java.net>
>     *Betreff:* [Jersey] Re: Discussion about re-opening a bug: JERSEY-2942
>
>     +1
>
>     At first glance, this definitely sounds unintuitive.
>
>     Gili
>
>     On 2015-10-06 3:29 AM, Grzesiek wrote:
>
>         Hi all,
>
>         A couple of weeks ago I've created a bug ticket JERSEY-2942.
>         <https://java.net/jira/browse/JERSEY-2942> Unfortunately this
>         ticket has been closed quite fast with the status "Works as
>         designed". But I believe this is a misunderstanding.
>
>         In the issue's comments you can read a short discussion on
>         this topic.
>
>         Generally, IMO current Jersey behavior is quite ridiculous,
>         because when having exactly matching method to serve a *GET
>         /api/users/1* request - Jersey chooses method annotated with
>         *_at_DELETE*. No other JAX-RS implementations that I'm aware of
>         (Apache CXF and RESTeasy) behaves this way.
>
>         But I know I could be wrong here. What do you think?
>
>         Any insights are appreciated.
>
>         Regards
>
>         Greg
>