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Re: [p2-dev] Pack200 compression

Thanks Peter for you reply on the JDK mailing list http://mail.openjdk.java.net/pipermail/jdk-dev/2018-June/001510.html

Cheers,

Le 29 juin 2018 à 08:59, Peter Firmstone <peter.firmstone@xxxxxxxxxxx> a écrit :

Hi Mikaël,

I must have been a little tired when I read this the first time.   I didn't realise there was an OpenJDK Java implementation of Pack200.

I agree, deprecate the C++ implementation and maintain the standard and java implementation.

Regards,

Peter.

On 29/06/2018 8:34 AM, Peter Firmstone wrote:
I've only ever lightly dabbled in C++ and that was a long time ago (15 years).   It's an option if there are C++ capable and willing volunteers.

Thanks,

Peter.

On 28/06/2018 9:41 PM, Mikaël Barbero wrote:
As far as I understand from http://mail.openjdk.java.net/pipermail/jdk-dev/2018-June/001472.html, you don't necessarily need to start with Harmony implementation as there already is a full (read pack and unpack) Java implementation of pack200. http://hg.openjdk.java.net/jdk/jdk/file/2f2af62dfac7/src/java.base/share/classes/com/sun/java/util/jar/pack

So I guess that one proposal to JEP336 could be: deprecate the c++ native implementation (as this is not used anymore for the JRE) but keep the spec + Java impl.

Then anyone (Peter?) could sign up to maintain it @ openjdk.

WDYT?
*
Mikaël Barbero *
*Team Lead - Release Engineering | Eclipse Foundation*
📱 (+33) 642 028 039 | 🐦 @mikbarbero
Eclipse Foundation <http://www.eclipse.org/>: The Platform for Open Innovation and Collaboration

Le 28 juin 2018 à 13:26, Peter Firmstone <peter.firmstone@xxxxxxxxxxx <mailto:peter.firmstone@xxxxxxxxxxx>> a écrit :

I'm not currently a committer, though happy to, if invited. :)

To sum up:

1. The Pack200 clean room implementation written in Java, it can
   compress and decompress java bytecode and pack.gz files, it was a
   module developed as part of Apache Harmony, AL2 licensed.
2. Oracle owns the Pack200 Standard copyright. https://docs.oracle.com/javase/10/docs/specs/pack-spec.html
3. OpenJDK's Pack200 test compatibility kit, is GPL2 with classpath
   exception, (I haven't gone down this road yet, but it's ideal for
   testing compatibility, with some modification for the libraries
   different api).
4. We won't be implementing any of the Java API's copyrighted by Oracle.

Oracle is deprecating the Pack200 standard and its GPL2 licensed implementation.

https://docs.oracle.com/javase/10/docs/legal/copyright.html

Thanks,

Peter.

On 28/06/2018 8:54 PM, Mickael Istria wrote:


On Thu, Jun 28, 2018 at 12:52 PM, Daniel Megert <daniel_megert@xxxxxxxxxx <mailto:daniel_megert@xxxxxxxxxx> <mailto:daniel_megert@xxxxxxxxxx>> wrote:

> @Daniel: would you mind contacting EMO Legal asking them about
  this and sharing the answer here?

  Peter should do that as he knows better what he's exactly doing
  ;-). Also, I will be away next week and fully booked today.


Is Peter a committer on any Eclipse.org <http://Eclipse.org> project? I'm afraid if he sends the request without backup from a committer, it will be rejected as "sorry, we only work for Eclipse.org <http://Eclipse.org> projects, and don't do legal consulting for the whole wide world".


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