I think the overall motivation would be: reducing footprint, with these JDK-9 images - but would be a good amount of work.

Versus features (E.g. larger push notifications) 

On Mon, Jan 29, 2018 at 10:28 PM, Matthias Wessendorf <matzew@apache.org> wrote:

On Mon, Jan 29, 2018 at 10:07 PM, David Martin <davmarti@redhat.com> wrote:

Hey Matthias,

What are you thinking for a more modular UPS?
Do you mean modular inside the ups code, or modular jars or eaps that come together to make up a ups?

ultimately yes: a collection of JARs (containing WF-Swarm), that make the UPS.

Modular here, w/ Java9 can even lead to a more optimized RT - containing only what's really needed.

https://github.com/moditect/moditect#creating-modular-runtime-images

not exactly sure how well this fits WF-Swarm and the MCS (Jboss modules) underneath

 

On Mon, 29 Jan 2018 21:01 Matthias Wessendorf, <matzew@apache.org> wrote:

btw. the JDK_9 branch is here:

https://github.com/aerogear/aerogear-unifiedpush-server/tree/JDK_9

At this time, it's still targeting 1.8  - but the coming profile will change that, so we have both 1.8 _and_ 1.9 (similar to other middleware projects)

On Mon, Jan 29, 2018 at 9:55 PM, Matthias Wessendorf <matzew@apache.org> wrote:

Hi,

I've released a first version (from a branch) of the parent 2.0.0 - the 1.1.x stuff stays on master for now.

release branch:

https://github.com/aerogear/aerogear-parent/tree/2.0.0

This POM will be used for UPS JDK_9 development. As of today the UPS builds fine w/ Java9, when skipping tests :-) 

Part of the problem is some of the modular system, coming w/ JDK9.

Current thinking is to introduce an additional JDK9 profile, with proper dependencies and plugin configurations (e.g. --add-modules enabled for certain plugins) only when running on java9.

I am not 100% sure at this moment, but I guess this might force us to also update some APIs (e.g. JPA/Transactions from 2.0 to latest).  Generally this aligns well with our community goals, to support latest of WildFly (e.g. 11+). This is something I am going to investigate the next days.

Hope is, to fully support java9, and trying to turn UPS into a more modular system, likely based on WF-Swarm, but that's really sure, for now. 

Any thoughts / comments / feedback ?

-Matthias

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Matthias Wessendorf

github: https://github.com/matzew 
twitter: http://twitter.com/mwessendorf

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Matthias Wessendorf

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twitter: http://twitter.com/mwessendorf

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