FOSDEM 2011: OpenJDK 6 and Project Coin

At FOSDEM last weekend, I gave two presentations, one on OpenJDK 6 and the other on Project Coin.

In "The State of OpenJDK 6," after providing some historical context, I discussed various upcoming changes. As relayed elsewhere, Kelly O'Hair will be assisting in OpenJDK 6 release management and security fixes to OpenJDK 6 from Oracle will continue through the end-of-life of the JDK 6 train, which per Oracle policy will occur no sooner than July 2012 (one year after JDK 7 ships GA). Also of note, after JDK 7 ships GA, Oracle will continue development of the 7 update releases in the open, similar to how it has been done pre-GA. In particular, there will not be the same dichotomy between the OpenJDK 7 code base and the 7 update code base as there is between OpenJDK 6 and the 6 update train.

I prepared some additional slides about OpenJDK 6, but did not present them due to time considerations. In the backup portion of slide deck, slide 13 graphs that since b11 the majority of fixes pushed into OpenJDK 6 have been HotSpot changes with the corba, jaxp, and jaxws areas clearly in maintenance. Slides 15 and 16 cover OpenJDK 6 regression test results since b11. There has been a growing number of tests and the overall pass rate is high and generally increasing; langtools and hotspot recently typically have a 100% pass rate and the pass rate for the jdk repository has risen from 98% to 99%.

For Project Coin, I presented the current state the language changes, discussed the development of changes, and spoke briefly on some aspects of developing the changes in the open.

All in all, another fun year at FOSDEM; next time, I hope I'm less afflicted with jet lag!

Comments:

Thanks, I enjoyed your talks. Helped solidify a few things in my mind.

Rgds

Damon

Posted by Damon Hart-Davis on February 08, 2011 at 06:35 PM PST #

Hi Joe, it was great to meet you at FOSDEM. I enjoyed both talks and the news about the continued support of OpenJDK7 post-GA was a great weight off my mind! :-)

Posted by Andrew John Hughes on February 09, 2011 at 07:33 PM PST #

Hi Joe,

Really good to see you at FOSDEM - and thanks for some cracking talks.

I'm just starting to do the revisions to chapter 1 of my book based on some of your updates from FOSDEM.

Posted by Ben Evans on February 10, 2011 at 11:31 PM PST #

Hi Joe,

Great meeting you at FOSDEM. Thanks for the informative talk, some great insights into the why and how of Project Coin!

Cheers,
Martijn

PS: Ben wrote an interesting post on our FODEM experience in the free Java room at: http://londonjavacommunity.wordpress.com/2011/02/12/review-of-fosdem-2011/

Posted by Martijn Verburg on February 15, 2011 at 09:53 PM PST #

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