Hi Markus,
This is certainly worth considering. Please can you open a new issue in Jira to track this enhancement?
Thank you,
Marek
> On 04 Feb 2016, at 19:39, Markus KARG <markus_at_headcrashing.eu> wrote:
>
> Experts,
>
> I'd like to propose a late but very tiny API change and I hope you all agree with me. :-)
>
> As JAX-RS 2.1 targets Java 8, we can get rid of the useless MessageBodyWrite.getSize method in implementations if we simply turn it into a default method in the API which returns -1 always. By doing this real no-brainener in the API, all MessageBodyWriter implementation classes can simply omit that method completey. In the end, cases like this are what Java 8 default methods are really good for… :-)
>
> I think this is such simple, easy and risk-free that we really should do it!
>
> -Markus