http://ofbiz.116.s1.nabble.com/OPTIONS-Java-11-and-Java-JDK-origin-tp4732502p4734356.html
I believe it helps. Maybe you can share in tools?
I have something similar on Windows 7. A bit more convoluted because I copy the selected JDK on a RAM Disk (it's still faster than SSD
My intent is to share the mechanism with the community. I know not much OFBiz dev work with Windows, but it seems more users are.
> Hi Scott,
>
> I'm not sure if this helps with running two versions simultaneously, but I
> have multiple versions on my machine, and I setup the $JAVA_HOME to point
> to /opt/jdk which in turn is a symlink to the JDK found in /opt/java/jdk8.
> This way changing the jdk version is as fast as changing the symlink. I
> even wrote a little script that looks up versions and I select the one most
> appropriate.
>
> Of course this is a side note, staying on Java 8 is fine by me given
> getting more contributions from the community including yourself. I remain
> on the fence.
>
>
> On Mon, Apr 15, 2019, 1:08 AM Scott Gray <
[hidden email]>
> wrote:
>
>> My understanding was that openjdk would support java 8 until 2023.
>>
>> In the past our strategy used to be that we should ensure the code base
>> would operate on newer java versions but keep our minimum required version
>> as low as possible. That effectively allows users to run whatever version
>> they like. So unless there are some compelling new features in java
>> 9/10/11 that we think we must have, I'd prefer it if we kept our minimum
>> supported version as low as possible.
>>
>> For myself, all client projects are still running java 8 (openjdk) so
>> before I could continue contributing to OFBiz I would have to figure out
>> how to run both versions on my machine with minimal disruption. Since I
>> don't have a huge amount of spare time, I would probably just put it off
>> for quite a while and work on other things.
>>
>> I'm not trying to veto the idea, if the community wants to proceed then it
>> should but I doubt I'm the only contributor we'd be putting another hurdle
>> in front of.
>>
>> Regards
>> Scott
>>
>> On Mon, 15 Apr 2019 at 09:09, Taher Alkhateeb <
[hidden email]>
>> wrote:
>>
>>> Well, I could be mistaken but it seems EOL for java 8 is coming soon
>> (2019
>>> commercial 2020 personal) [1]. This seems to be the case because the new
>>> LTS is out which is java 11.
>>>
>>> Also this new release model from oracle seems to be annoying which is
>>> pushing developers to adopt the openjdk instead. So I guess the reason
>> for
>>> the upgrade is to strike two birds with one stone: upgrade java and
>> switch
>>> to openjdk.
>>>
>>> With that being said, I don't have a firm opinion on upgrading and I just
>>> wanted to highlight things, I leave it to other folks to decide.
>>>
>>> [1]
https://www.oracle.com/technetwork/java/java-se-support-roadmap.html>>>
>>> On Sun, Apr 14, 2019, 10:38 PM Scott Gray <
[hidden email]>
>>> wrote:
>>>
>>>> That would probably halt any further contributions from me in the short
>>> to
>>>> medium term.
>>>>
>>>> Can I ask why we need to require 11 when 8 is supported through to
>> 2023?
>>>> Regards
>>>> Scott
>>>>
>>>> On Sun, 14 Apr 2019, 23:37 Jacques Le Roux, <
>>>
[hidden email]>
>>>> wrote:
>>>>
>>>>> If nobody disagree, I'll make the last move (ie ask for Java 11 in
>>>>> build.gradle) in 3 days
>>>>>
>>>>> Jacques
>>>>>
>>>>> Le 13/04/2019 à 12:34, Nicolas Malin a écrit :
>>>>>> On 13/04/2019 11:47, Jacques Le Roux wrote:
>>>>>>> I just tested, without surprise the trunk HEAD works with Java 11
>>>>>> I did the same with 18.12, works fine
>>>>>>
>>>>>> Nicolas
>>>>>>
>>>>>>