Re: Status report: Making OpenJDK 7 the default in Wheezy LTS
Hi Markus,
On Mon, Mar 28, 2016 at 08:36:08PM +0200, Markus Koschany wrote:
> Hi all,
>
> here is a summary about the current status of making OpenJDK 7 the
> default Java JRE / JDK in Wheezy-LTS.
>
> Intended changes
> ===================
>
> 1. Making OpenJDK 7 the default by updating src:java-common, so that
> default-jre and default-jdk will install OpenJDK 7 instead of
> OpenJDK 6.
> When: Two months after Wheezy-LTS started, on 2016-06-26
> Status: Ready
>
> 2. Changing the runtime dependencies of eighteen packages that strictly
> depend on either openjdk-6-jre, openjdk-6-jdk, openjdk-6-jre |
> sun-java6-jre or similar combinations to default-jre | java6-runtime
> or default-jdk | java6-sdk.
> When: Upload with last point update for Wheezy or via Wheezy-LTS
> update at the end of April 2016.
> Status: Ready
>
> 3. Announcing the switch via NEWS file in java-common and Debian NEWS,
> debian-security-announce, debian-lts-announce and other appropriate
> channels two months in advance to give users enough time to ensure
> that their web and desktop applications are compatible with
> OpenJDK 7.
> When: Start of Wheezy-LTS on 2016-04-26
>
>
> 1.
>
> After discussing the switch to OpenJDK 7 on debian-java [1] and IRC, I
> came to the conclusion that we should give LTS users more time to
> evaluate the switch to OpenJDK 7. Desktop users should hardly notice any
> changes at all but server admins might want to assess this more
> carefully if they run web servers like Tomcat or Jetty. Web applications
> may behave differently due to binary or behavioral changes. These
> possible issues are documented at [2].
>
> Therefore I suggest that we change the default two months after the
> start of Wheezy-LTS. I have already made the necessary changes in
> src:java-common which can be uploaded any time. The change still
> requires manual intervention by the user by using the
> update-alternatives --config java command, if OpenJDK 6 was previously
> installed.
>
> 2.
>
> I have now identified eighteen packages that require a source upload. I
> had to change their runtime dependencies to openjdk-6-jre |
> java6-runtime or openjdk-6-jdk | java6-sdk, so that OpenJDK 6 won't be
> installed. In a few cases I also adjusted a start script. These packages
> are ready to upload, now I'm waiting for the go from the release team. [3]
>
> 3.
>
> We should communicate this change via the debian-security-announce and
> debian-lts-announce mailing lists, Debian NEWS and with a NEWS file in
> java-common. I have updated Santiago's initial work on
> https://wiki.debian.org/LTS/Wheezy and added a paragraph about
> OpenJDK 7. We should link to this page in all announcements.
This all sound reasonable to me. I wonder if we should prepare a update
repository before that to make testing simpler (or maybe do this via
backports)?
Cheers,
-- Guido
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