[fedora-java] Hadoop + log4j2 = fullstop

[puntogil at libero.it]

Il 22/05/2014 06:55, Mikolaj Izdebski ha scritto:
> On 05/21/2014 08:06 PM, Robert Rati wrote:
>> So, who needed log4j2?  It is massively incompatible with log4j1.2 and
>> isn't a simple port job.  I would argue if log4j2 was actually needed,
>> it should have been introduced as a separate log4j2 package and allow
>> projects to port to it as they have time/need.  This update log4j to an
>> incompatible version with no compat package provided at the same time is
>> not the way to handle such an upgrade.  Giving advanced notice that the
>> world will come crumbling down and you'll have to deal with it is not
>> enough.
> 1. This change was announced [1] in advance and I didn't hear any
> concerns from anyone until the change was implemented.  hadoop and all
> other packages were mentioned in the announcement as possibly being
> affected by the update.
>
> 2. The original announcement [1] and follow-up messages contain some of
> the reasons for updating to 2.0.  But there are other reasons as well --
> log4j 2.0 was blocking mybatis package update [3].
but mybatis  use them both
see https://github.com/mybatis/mybatis-3/blob/mybatis-3.2.7/pom.xml
regards
> 3. As I already said on IRC multiple times, I am going to introduce a
> compat package log4j12 before 6 Jun 2014.  If that's too late then feel
> free to package it yourself.
>
> 4. I shared my general opinions about Java compat packages and update
> procedures on java-devel [2] and I didn't hear any concerns about them.
>   Recent log4j update follows the procedure and best practices I
> presented there, like keeping the name log4j instead using log4j2.
>
> [1] https://lists.fedoraproject.org/pipermail/devel/2014-May/198934.html
> [2]
> https://lists.fedoraproject.org/pipermail/java-devel/2013-October/005000.html
> [3] https://bugzilla.redhat.com/show_bug.cgi?id=1091042
>

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