Re: Impact of the new Java release policy on Debian
Hi,
a few comments on the thread:
* For JDK 9, I have posted
http://mail.openjdk.java.net/pipermail/jdk-updates-dev/2017-November/000024.html
regarding Oracle's planned contributions. In short, Oracle plans to end
contributing JDK 9 Updates to OpenJDK with the end of public updates of
JDK 9 in March 2018.
As with OpenJDK JDK 6 and JDK 7 Updates Projects in the past, if a
suitable party steps forward to maintain the JDK 9 Updates series
further, we will discuss how to best enable such a transition. There
were three such transitions of different groups of upstream maintainers
in the OpenJDK Community in the past four years on JDK 6 and JDK 7 Updates.
* For JDK 8, Andrew Haley has indicated that Red Hat intends to support
OpenJDK 8 until October 2020, per
http://mail.openjdk.java.net/pipermail/jdk-dev/2017-November/000175.html .
* Assuming a two year release cadence for Debian GNU/Linux and a three
year security support cycle for the distribution, Debian 10 might be
expected in 2019, and have security support until 2022. That means there
would be about 6 major JDK releases in the interim, one of which would
be an LTS release.
My suggestion, in light of the current level of Debian OpenJDK
packagers' involvement in upstream OpenJDK 8 & 9 update maintenance,
would be to explore the alternative to fixing a specific default-jdk for
three (or more) years, and instead to consider updating it to a new
major (LTS or other) OpenJDK release during the lifetime of stable
release, maybe even on a regular cadence as a 'rolling' default.
A useful tool in that regard would be tracking the CSR process (see
ttps://wiki.openjdk.java.net/display/csr/Main ), where changes impacting
JDK interfaces are reviewed and approved (or declined) for future
releases. You can find a list of changes approved for JDK 10 so far at
https://bugs.openjdk.java.net/browse/JDK-8189750?filter=31600&jql=project%20%3D%20JDK%20AND%20issuetype%20%3D%20CSR%20AND%20status%20%3D%20Closed%20AND%20resolution%20%3D%20Approved%20AND%20fixVersion%20%3D%20%2210%22%20ORDER%20BY%20priority%20DESC
which includes removed APIs and tools as well as new "deprecations for
removal" in a future release, among other changes.
There is about a dozen changes so far from the list that signify removed
deprecated or internal APIs and tools in JDK 10:
https://bugs.openjdk.java.net/browse/JDK-8189750
https://bugs.openjdk.java.net/browse/JDK-8180947
https://bugs.openjdk.java.net/browse/JDK-8186047
https://bugs.openjdk.java.net/browse/JDK-8181190
https://bugs.openjdk.java.net/browse/JDK-8187282
https://bugs.openjdk.java.net/browse/JDK-8181042
https://bugs.openjdk.java.net/browse/JDK-8191055
https://bugs.openjdk.java.net/browse/JDK-8186003
https://bugs.openjdk.java.net/browse/JDK-8181745
cheers,
dalibor topic
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