[wildfly-dev] Moving WildFly 9 to Java 8?

[James R. Perkins]

I'd vote no. We've already done the core split for 9. I think adding 
another major change like this is a bad idea at this stage.

On 02/09/2015 01:19 PM, Tomaž Cerar wrote:
> Hi folks,
>
> we agreed that WildFly 10+ is going to require Java 8, given that its 
> release date is planned well after JDK7 will be EOL-ed. [1]
>
> Looking at all discussion and new projects / components already 
> require JDK8 (Eltryon, new WildFly client, Weld 3,...) for development.
> I was wondering if we could move WildFly 9 to Java 8 as well?
>
> According to current release plan WF9 should be release around the 
> same time JDK7 is EOL-ed (April 2015) [1]
>
> Pros of moving to JDK8 early:
> - components can use JDK8 eariler --> better testing
> - supporting JDK9 will be easier (-XX:MaxPermSize fails to start JVM on 9)
> - support for TLS SNI (think of it as virtual hosts for SSL)
> - better ciphers and many other security related improvements
> - nashorn (fast javascript engine)
> - better concurrency libs
> - easier testing, one less JDK combo to test on CI
>
> and of course all of the language improvements, lambda ftw!
>
> Cons of moving early
>
> - back porting of code could be impaired
> - there is currently no non beta release of IBM JDK8
>
> There are probably other pros & cons but in general I think it would 
> be better to upgrade early as there will be many
> hidden issues with new Java 8 features people want to use but are 
> server doesn't understand currently, mostly here
> are features like enhanced type annotations and default methods.
>
> This problem are and will creep up more and more often as adoption of 
> Java 8 is quite good already [2] and still rising.
>
> so what do you guys think? Should we move for WildFly or should we 
> wait for 10 as planned?
>
> --
> tomaz
>
>
> [1] http://www.oracle.com/technetwork/java/eol-135779.html
> [2] http://jaxenter.com/java-2-111936.html
>
>
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-- 
James R. Perkins
JBoss by Red Hat

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