Standalone Nashorn bound to specific JVM flavors?

[BURRIS Thomas]

Hi Attila -- Just to clarify to make sure I understand... So the target JVM flavor for compatibility with Standalone Nashorn will be HotSpot? And -- at least at the moment -- there are no explicit plans to make compatible with (for example) OpenJ9 (aside from turning off anon-classes)?

As for your question: for our usage, we would not have a need for a lower class version. Can't speak for others...

thanks for your time!

Best Regards,
Thomas BURRIS
RDF Modeling R&D Software Architecture Director

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-----Original Message-----
From: Attila Szegedi <szegedia at gmail.com>
Sent: Monday, November 23, 2020 11:59 AM
To: BURRIS Thomas <Thomas.BURRIS at 3ds.com>
Cc: nashorn-dev at openjdk.java.net
Subject: Re: Standalone Nashorn bound to specific JVM flavors?

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It has exactly one dependency on sun.misc.Unsafe - a call to defineAnonymousClass. I’m not aware if that’s available on other JVMs or not, but that might be the only issue I’m aware of. FWIW, Nashorn can be used with --anonymous-classes=false to turn this feature off (it’s a bit of an optimization.)

As it is, I meant to publish the initial version with javac compiling for Java 15, as I presumed nobody would be interested in using it on earlier Java versions as 14 comes with Nashorn included. I have not released it _just yet_ to Maven central (there’s some permission snags on Sonatype OSS). I’m wondering if there’d be value in compiling with a lower target class version?

Attila.

> On 2020. Nov 23., at 17:32, BURRIS Thomas <Thomas.BURRIS at 3ds.com> wrote:
>
> Hi Attila (et. al.) - is there a pre-requisite between the "standalone" Nashorn and the origin of the JVM ? For example, would it possible to run the future stand-alone Nashorn and AdoptOpenJDK with OpenJ9 (rather than HotSpot) ?
>
>
> Best Regards,
>
> Thomas BURRIS
>
> RDF Modeling R&D Software Architecture Director
>
>
>
>
>
> Office: +1 78 1810 3718
> Mobile: +1 61 7678 9158
> thomas.burris at 3ds.com<mailto:Thomas.BURRIS at 3ds.com>
>
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