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Re: [] About Profiles

In general, I like the idea but there are two caveats:

a) smaller players can't/wont implement the full spectrum of Jakarta EE, so they can claim certification.

b) when having a composable platform, in addition to testing everything together (the platform) you still need to test specific APIs combinations that represent particular popular usecases to make sure they work well together, and that naturally leads to some definition of profiles.


Dimitris Andreadis
Engineering Director
Red Hat JBoss EAP/WildFly

On 03/05/2018 07:06, Adam Bien wrote:

1. From the usability, dev experience, we should aim for as few profiles as only possible.
My selling point for Java EE in the past was the simplicity. There was only one choice -- the Full Profile -- (there were no measurable advantages of WebProfile, so we never used that) what was appreciated by the developers. There were no unique "snow lake" project in the past what was good for long term maintenance and corporate developers self support. With the "one dependency" idea, even startups used Java EE with the "time to market" advantage. There was no evals or dependency fiddling. We started with use case implementation at the day one.

2. From the runtime vendor perspective, modular platform is easier to maintain, develop and is good for the ecosystem. So vendors should modularize the Java EE platform as far as it is useful. However this should be an internal implementation detail.

IMO we should have one "main profile" which comprises similar functionality to the "full profile" in Java EE (of course without SOAP :-)) which should cover the 80% of the main use cases. This profile could be implemented as a BOM (micropofile does that, what is really convenient to use).

Exceptional usecases (e.g. scenarios like NetFlix with 10k of microservice instances) could be covered by specific profiles.

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