Compatibility of Java 8 libraries with Java 9

Volker Berlin volker.berlin at goebel-clan.de
Thu Apr 27 19:02:52 UTC 2017


Am 27.04.2017 um 14:47 schrieb Alan Bateman:
> On 26/04/2017 20:18, Volker Berlin wrote:
>
>> Hi,
>>
>> After reading many of migrate to Java 9 it look like that you expect 
>> that the people switch 100% to Java 9. I think this is wrong. Like 
>> with older Java versions it must be possible to run a 
>> library/application with Java 9, 8, ...
> I suspect that the issues that you are concerned are not JSR-376 
> issues so it might be better to bring specific questions to jigsaw-dev 
> for discussion. 
The cause of the compatibility problems are the module system of JSR-376 
and its command line parameters. I understand your answer that it is not 
a target that one compiled application can run with Java 8 and Java 9. 
You prefer a migration and two versions of a application for different 
Java versions.

> You mentioned the main manifest of the executable JARs and also JNLP 
> and you will find some discussions in the archives on those topics 
> already.
>
> -Alan
>
I have search the mail archive back to February 2015. I can not find any 
on this problem. Can you give a hint where I can find this in the large 
archive?

Volker


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