On Fri, 21 Mar 2014 13:11:44 +0100
Jaroslav Reznik <jreznik(a)redhat.com> wrote:
= Proposed System Wide Change: Java 8 =
https://fedoraproject.org/wiki/Changes/Java8
Change owner(s): Omair Majid <omajid(a)redhat.com>
Make Java 8 (provided by OpenJDK 8 which is java-1.8.0-openjdk) the
default Java runtime. The current default Java runtime (Java 7,
provided by OpenJDK 7, java-1.7.0-openjdk) will be obsoleted and
removed.
are we confident OpenJDK 8 works well on all Fedora arches, not only on
the primary ones? Task for myself (or any volunteer) is to check
whether
https://bugzilla.redhat.com/show_bug.cgi?id=958232 is still open
Dan
This is essentially an upgrade to the latest Java and OpenJDK
version.
== Detailed Description ==
The current default Java 7 runtime in Fedora is OpenJDK 7. The latest
version of OpenJDK, 8, was released on 18 March 2014. Given that
Fedora 21 will not be released before August, it makes sense to
include the latest version of OpenJDK in Fedora 21.
OpenJDK 8 is a significant update to Java. It brings in significant
new features to the Java language, including lambdas, a new
javascript engine and lots of new library features. A complete list
of features is available [1].
OpenJDK 8 is a backwards compatible update. Theoretically everything
that worked against OpenJDK 7 should continue working against OpenJDK
8. There are a few exceptions:
OpenJDK8 is much more strict when it comes to building javadocs.
Many - javadoc package in Fedora fail to build. Those that are built
should continue working just fine.
Packages that rely on non-public OpenJDK API may fail to
build/run.
A complete list of incompatibilities is available [2]. The
incompatibilities are source and behavioral only.
It may be a good idea to mass rebuild Java packages against OpenJDK 8
to spot any source incompatibilities earlier. This is not required.
== Scope ==
* Proposal owners:
** Deprecate/Obsolete java-1.7.0-openjdk
** Promote java-1.8.0-openjdk to a full java runtime status (fix
provides in package)
** In case of a mass rebuild, supply/apply patches to fix build
against OpenJDK 8
* Other developers:
** icedtea-web maintainers will need to update icedtea-web to run
against OpenJDK 8
** Other java packagers will need to apply patches to their java
package to ensure they can build against OpenJDK 8
** Everyone will need to test packages to verify that they work
against OpenJDK 8
* Release engineering:
** Remove java-1.7.0-openjdk
** Possibly mass-rebuild (?) all Java packages. This is not strictly
required to make OpenJDK 8 the default Java runtime.
* Policies and guidelines:
** Many -javadoc packages fail to build. The OpenJDK 8 maintainers
and the Java SIG are working on identifying a solution. The solution
may require [3] guideline changes making -javadoc subpackages
optional.
[1]
http://openjdk.java.net/projects/jdk8/features
[2]
http://www.oracle.com/technetwork/java/javase/8-compatibility-guide-21563...
[3]
https://lists.fedoraproject.org/pipermail/devel/2014-March/196808.html
_______________________________________________ devel-announce
mailing list devel-announce(a)lists.fedoraproject.org
https://admin.fedoraproject.org/mailman/listinfo/devel-announce
--
devel mailing list
devel(a)lists.fedoraproject.org
https://admin.fedoraproject.org/mailman/listinfo/devel
Fedora Code of Conduct:
http://fedoraproject.org/code-of-conduct