Tuesday Feb 08, 2011

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!

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