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Re: [jakartaee-platform-dev] Java SE 8 or 11 for Jakarta EE 9?

Allowing certifications for JDK 8 and 11 sounds like a nice compromise. Greenfield projects are likely going to want to go for JDK 11 as opposed to 8, but if you have a large set of applications developed over the last 2 decades currently running on 8 and you're already looking at big-bang namespace change, you might not be keen on a major Java SE version update as well. Having the choice is nice.


On Mon, Nov 4, 2019 at 10:24 PM arjan tijms <arjan.tijms@xxxxxxxxx> wrote:

On Mon, Nov 4, 2019 at 8:09 PM Kevin Sutter <sutter@xxxxxxxxxx> wrote:
We still have many, many customers still running on Java SE 8.  If app servers move to Java SE 11 as the minimum, you may be alienating a huge set of potential customers.

Remember, I'm not saying that app servers can not support Java SE 11.  I'm just indicating that providing the minimum version as Java SE 8 is more welcoming.

There's advantages and disadvantages. Not having a guarantee that it works on Java SE 11 might well alienate another group of potential customers and make them decide to do Greenfield development using another technology that does support JDK 11.

Keeping an ear to the ground a little, developers are quite eager to start Greenfield with the latest JDK (latest technologies/latest versions of them in general). Having to start new development on a ~6 year old version of Java is, well, not overly exciting.

What about taking Carlos' suggestion one step further and introducing individual Jakarta certifications for JDK11 and JDK8? A vendor may claim "some degree" of compatibility with JDK11, but the proof's in the pudding.

E.g. "Jakarta EE 9 for JDK 8 certified" and "Jakarta EE 9 for JDK 11 certified"

Kind regards,
Arjan Tijms

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Jonathan Gallimore

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