I think it doesn't work with recent log4j versions because of the missing
fix in
maven-embedder/src/main/resources/META-INF/maven/slf4j-configuration.properties
org.apache.logging.slf4j.Log4jLoggerFactory
org.apache.maven.cli.logging.impl.Log4j2Configuration

https://github.com/apache/maven/commit/8cddea291c279130d437bcdf3337f16296558530

I just applied the fix in master (
https://github.com/apache/maven/commit/202f757af3aba6e1b96631de025e0ba692098009
) and created a new branch with log4j 2.5 based on 3.3.9 release

https://github.com/apache/maven/tree/slf4j-log4j2.5

I tested it and it is working fine

You can build it with something like

M2_HOME=${HOME}/Applications/apache-maven-3.3.9-log4j2 ant

Regards

On Thu, Jan 7, 2016 at 10:47 AM, Nick Stolwijk <[email protected]>
wrote:

> Excuses, forgot to add the link... :(
>
> I have it working on Maven 3.3.9.
>
> [1] https://garygregory.wordpress.com/2015/03/23/watch-maven-in-color/
>
> With regards,
>
> Nick Stolwijk
>
> ~~~ Try to leave this world a little better than you found it and, when
> your turn comes to die, you can die happy in feeling that at any rate you
> have not wasted your time but have done your best ~~~
>
> Lord Baden-Powell
>
> On Thu, Jan 7, 2016 at 10:33 AM, Arnaud Héritier <[email protected]>
> wrote:
>
> > What is [1] Nick ? My blog post ? It is probably outdated :(
> > On which version of Maven do you try to have it working ?
> >
> > On Thu, Jan 7, 2016 at 10:17 AM, Nick Stolwijk <[email protected]>
> > wrote:
> >
> > > Arnaud,
> > >
> > > I have followed this blogpost[1] and to see debug information I have to
> > > adjust my conf/logging/log4j2.xml instead of just add "-X" to the
> command
> > > line. Also, if I leave the log4j2.xml on DEBUG level, I don't have to
> > > specify the "-X" parameter to see debug. In my case the "-X" doesn't do
> > > anything anymore, maybe I have followed the wrong blogpost. ;)
> > >
> > > With regards,
> > >
> > > Nick Stolwijk
> > >
> > > ~~~ Try to leave this world a little better than you found it and, when
> > > your turn comes to die, you can die happy in feeling that at any rate
> you
> > > have not wasted your time but have done your best ~~~
> > >
> > > Lord Baden-Powell
> > >
> > > On Thu, Jan 7, 2016 at 9:17 AM, Arnaud Héritier <[email protected]>
> > > wrote:
> > >
> > > > What do you mean Nick ?
> > > > I think it was implemented. I have the -X flag which is working with
> > > DEBUG
> > > > details
> > > >
> > > >
> > > > ​
> > > >
> > > > On Thu, Jan 7, 2016 at 2:53 AM, Nick Stolwijk <
> [email protected]
> > >
> > > > wrote:
> > > >
> > > >> This isn't a mail to convince anyone between Log4J2 or Logback.
> > > >>
> > > >> I have updated my Maven installation with Log4J2, instead of the
> > > default,
> > > >> which worked fine.
> > > >>
> > > >> I missed one thing and I hope with different log implementations we
> > > still
> > > >> could do this "right". Maven has a nice command line parameter to
> give
> > > out
> > > >> extra logging, the "-X" parameter. With the Log4J2 in place, this
> > > logging
> > > >> parameter didn't work. I have to change the logging configuration to
> > > >> include DEBUG logging. Is there a way to print out the logging,
> > without
> > > >> regard to the logging framework, to include the debug information
> when
> > > >> given the "-X" parameter?
> > > >>
> > > >> I think it is very valuable to get extra logging without touching
> any
> > > >> configuration files.
> > > >>
> > > >> With regards,
> > > >>
> > > >> Nick Stolwijk
> > > >>
> > > >> ~~~ Try to leave this world a little better than you found it and,
> > when
> > > >> your turn comes to die, you can die happy in feeling that at any
> rate
> > > you
> > > >> have not wasted your time but have done your best ~~~
> > > >>
> > > >> Lord Baden-Powell
> > > >>
> > > >> On Thu, Jan 7, 2016 at 1:27 AM, Jason van Zyl <[email protected]>
> > wrote:
> > > >>
> > > >> > I’ve no issue with the fix to make any implementation to work,
> just
> > > the
> > > >> > merging of the log4j2 branch in general.
> > > >> >
> > > >> > > On Jan 6, 2016, at 7:20 PM, Ralph Goers <
> > [email protected]
> > > >
> > > >> > wrote:
> > > >> > >
> > > >> > > Jason,
> > > >> > >
> > > >> > > I really don’t care which logging framework Maven uses. There
> > isn’t
> > > >> > going to be much difference between Logback and Log4j 2 in a batch
> > > >> process
> > > >> > like Maven, although asynchronous loggers might speed up larger
> > builds
> > > >> > somewhat.
> > > >> > >
> > > >> > > However, these comparisons are still incorrect. Log4j is using
> the
> > > >> ASF’s
> > > >> > git repository and hasn’t really integrated pull requests from
> > github
> > > so
> > > >> > you are comparing apples and oranges. If you look at the
> changes.xml
> > > >> file
> > > >> > you will see 250 due-to attributions, some of which include
> > committers
> > > >> but
> > > >> > most of which are not. Just in the latest release, 2.5, there were
> > > >> > contributions from 13 individuals outside of the ASF and in the
> 2.4
> > > >> release
> > > >> > there were contributions from more than 20. If Logback has only
> had
> > > >> > contributions from 70+ non-committers since they moved to git,
> then
> > > >> Log4j
> > > >> > is easily winning that metric.
> > > >> > >
> > > >> > > That said, I don’t use Maven for how cool its logging framework
> > is.
> > > >> > However, Gary’s original complaint about an unsupported SLF4J
> > binding
> > > >> seems
> > > >> > like it should be addressed. Why can’t a user use their own custom
> > > SLF4J
> > > >> > implementation?
> > > >> > >
> > > >> > > Ralph
> > > >> > >
> > > >> > >> On Jan 6, 2016, at 3:49 PM, Jason van Zyl <[email protected]>
> > wrote:
> > > >> > >>
> > > >> > >>>
> > > >> > >>> On Jan 6, 2016, at 5:46 PM, Paul Benedict <
> [email protected]
> > > >> > <mailto:[email protected]>> wrote:
> > > >> > >>>
> > > >> > >>> Jason, I am sorry but to disagree with you. Your statistics
> are
> > > >> still
> > > >> > not
> > > >> > >>> telling a full story. I can glance at the commit graphs of
> these
> > > 76
> > > >> > logback
> > > >> > >>> contributors rather quickly to see really how "diverse" this
> > > >> community
> > > >> > is.
> > > >> > >>>
> > > >> > >>> * 35 (~45%) only ever made 1 contribution
> > > >> > >>> * 18 (~25%) have only ever made 2 contributions
> > > >> > >>> * 16 (~20%) have between 3-10 contributions.
> > > >> > >>>
> > > >> > >>
> > > >> > >> This is still awesome. I would love to have 35 contributors
> > making
> > > >> one
> > > >> > change. It all adds up.
> > > >> > >>
> > > >> > >>> That leaves only 7 logback contributors (~10%) who actually do
> > > >> > something.
> > > >> > >>> And of those 7, only 4 committed something in 2015 ... and
> Cecki
> > > is
> > > >> the
> > > >> > >>> leader by far. It's clearly a very visible one man show with
> > > sparse
> > > >> > >>> contributions from others.
> > > >> > >>>
> > > >> > >>> Based on these numbers, I think Log4J2 has the better
> community
> > > >> > involvement.
> > > >> > >>>
> > > >> > >>
> > > >> > >> Everyone will interpret numbers as they wish but it’s a simple
> > > thing
> > > >> > even to make one change in an open source project. 99% of people
> > never
> > > >> do
> > > >> > so to have that number of people make one or two changes is a
> > > >> significant
> > > >> > thing.
> > > >> > >>
> > > >> > >>> Cheers,
> > > >> > >>> Paul
> > > >> > >>>
> > > >> > >>> On Wed, Jan 6, 2016 at 4:31 PM, Jason van Zyl <
> [email protected]>
> > > >> wrote:
> > > >> > >>>
> > > >> > >>>> A contributor on that page is not a comparison of committers
> vs
> > > >> not.
> > > >> > >>>> People who have made pull requests to Maven are listed as
> > > >> > contributors.
> > > >> > >>>> Just as they would for Log4J2. A measure, albeit one, of the
> > > >> overall
> > > >> > >>>> diversity of contribution.
> > > >> > >>>>
> > > >> > >>>>> On Jan 6, 2016, at 5:27 PM, Paul Benedict <
> > [email protected]
> > > >
> > > >> > wrote:
> > > >> > >>>>>
> > > >> > >>>>> I am writing regarding this statement: "Ceki may do more
> > commits
> > > >> but
> > > >> > it’s
> > > >> > >>>>> certainly not a one man show. 76 contributors for Logback
> and
> > 8
> > > >> > >>>>> contributors for Log4J2."
> > > >> > >>>>>
> > > >> > >>>>> The numbers in themselves do not tell a full story. It's in
> > > >> > appropriate
> > > >> > >>>> to
> > > >> > >>>>> conclude that since 76 > 8, therefore logback is a better
> > > choice.
> > > >> > The 8
> > > >> > >>>>> contributors in Log4J2 have been voted in according to
> Apache
> > > >> bylaws.
> > > >> > >>>>> Conversely, there aren't any bylaws for logback; the logback
> > > >> Github
> > > >> > >>>> project
> > > >> > >>>>> owner can freely grant commit privileges at will ... and
> > > >> evidently,
> > > >> > they
> > > >> > >>>>> do! So the bar for committer rights is much (much) lower
> than
> > at
> > > >> > Apache.
> > > >> > >>>> I
> > > >> > >>>>> don't think the above comparison is fair toward log4j2.
> > > >> > >>>>>
> > > >> > >>>>> Cheers,
> > > >> > >>>>> Paul
> > > >> > >>>>>
> > > >> > >>>>> On Wed, Jan 6, 2016 at 4:09 PM, Jason van Zyl <
> > [email protected]>
> > > >> > wrote:
> > > >> > >>>>>
> > > >> > >>>>>>
> > > >> > >>>>>>> On Jan 6, 2016, at 12:25 PM, Arnaud Héritier <
> > > >> [email protected]>
> > > >> > >>>>>> wrote:
> > > >> > >>>>>>>
> > > >> > >>>>>>> great, more constructive feedback :-)
> > > >> > >>>>>>> Thanks Jason
> > > >> > >>>>>>>
> > > >> > >>>>>>> Both projects are well known and widely used even if log4j
> > v2
> > > is
> > > >> > >>>> younger
> > > >> > >>>>>>> with less downloads such figures are not really
> > representative
> > > >> > with all
> > > >> > >>>>>>> caches/repositories managers I think.
> > > >> > >>>>>>>
> > > >> > >>>>>>
> > > >> > >>>>>> I don’t have a single peer that uses Log4j2 and that’s
> > > important
> > > >> to
> > > >> > me.
> > > >> > >>>> I
> > > >> > >>>>>> do not believe Log4J2 is well known or widely use. I think
> 3
> > > >> years
> > > >> > of
> > > >> > >>>>>> releases is fairly representative in that Logback is
> getting
> > > >> close
> > > >> > to
> > > >> > >>>> the
> > > >> > >>>>>> Log4J incoming edge count and if you remove all the
> incoming
> > > >> edges
> > > >> > from
> > > >> > >>>>>> Apache there are not a lot of users.
> > > >> > >>>>>>
> > > >> > >>>>>>> About logback vs log4j I have really no real preference
> > > >> technically
> > > >> > >>>>>>> speaking (I had both branches working in the past and used
> > > them
> > > >> a
> > > >> > lot
> > > >> > >>>> in
> > > >> > >>>>>> my
> > > >> > >>>>>>> professional life -
> > > >> > http://www.aheritier.net/united-colors-of-maven/).
> > > >> > >>>>>>>
> > > >> > >>>>>>> In term of community, Log4J is in our apache community and
> > we
> > > >> have
> > > >> > few
> > > >> > >>>>>>> active committers arround. On Logback side even if I
> really
> > > >> > appreciate
> > > >> > >>>>>> Ceki
> > > >> > >>>>>>> I'm always afraid about this one-man show project. (and
> Ceki
> > > >> isn't
> > > >> > >>>>>> perfect
> > > >> > >>>>>>> too when we see the nightmare of slf4j-api 1.5+
> > > >> incompatibilities
> > > >> > we
> > > >> > >>>>>> always
> > > >> > >>>>>>> have in 2016 !!).
> > > >> > >>>>>>
> > > >> > >>>>>> Ceki may do more commits but it’s certainly not a one man
> > show.
> > > >> 76
> > > >> > >>>>>> contributors for Logback and 8 contributors for Log4J2.
> It’s
> > > >> stable
> > > >> > and
> > > >> > >>>>>> mature at this point with 54 releases versus 33 for
> Log4J2. I
> > > >> don’t
> > > >> > >>>> think
> > > >> > >>>>>> any person responsible for picking a package for logging
> > would
> > > >> get
> > > >> > much
> > > >> > >>>>>> support in their organization for Log4J2, as the data would
> > > >> > suggest. I
> > > >> > >>>>>> think with few contributors and usage it would likely be
> > > deemed a
> > > >> > less
> > > >> > >>>> wise
> > > >> > >>>>>> choice than Logback and possibly a risk. There are also
> lots
> > of
> > > >> > Apache
> > > >> > >>>>>> projects that use Logback. I think pragmatism is a factor
> in
> > > all
> > > >> the
> > > >> > >>>> other
> > > >> > >>>>>> projects at Apache who selected Logback. Being at Apache
> > > >> obviously
> > > >> > >>>> wasn’t
> > > >> > >>>>>> the determining criterion and it shouldn’t be.
> > > >> > >>>>>>
> > > >> > >>>>>>> I agree that we are just talking about a logging
> > > implementation
> > > >> > but you
> > > >> > >>>>>> saw
> > > >> > >>>>>>> what it gave for eclipse/aether ….
> > > >> > >>>>>>>
> > > >> > >>>>>>
> > > >> > >>>>>> I’m not sure what your point is here. No one worked on any
> of
> > > the
> > > >> > parts,
> > > >> > >>>>>> ever, whether here or at Eclipse. I doubt anyone will work
> on
> > > it
> > > >> > when it
> > > >> > >>>>>> comes back. So I’m not sure what analogy you’re trying to
> > make.
> > > >> > >>>>>>
> > > >> > >>>>>>> I'm clearly not enough involved enough in the project to
> try
> > > to
> > > >> > >>>> convince
> > > >> > >>>>>>> anyone about a choice to do but I can just say that not
> > > having a
> > > >> > >>>>>> colorized
> > > >> > >>>>>>> console in 2016 is .... irritating.
> > > >> > >>>>>>>
> > > >> > >>>>>>> For the problem reported by Gary I think that applying the
> > fix
> > > >> in
> > > >> > >>>>>>>
> > > >> > >>>>>>
> > > >> > >>>>
> > > >> >
> > > >>
> > >
> >
> maven-embedder/src/main/resources/META-INF/maven/slf4j-configuration.properties
> > > >> > >>>>>>> (
> > > >> > >>>>>>>
> > > >> > >>>>>>
> > > >> > >>>>
> > > >> >
> > > >>
> > >
> >
> https://github.com/apache/maven/commit/8cddea291c279130d437bcdf3337f16296558530
> > > >> > >>>>>>> )
> > > >> > >>>>>>> is safe to be back-ported in master. It is just that
> > > >> > >>>>>>> org.slf4j.helpers.Log4jLoggerFactorywas for Log4J 1 AFAIU
> > and
> > > >> now
> > > >> > that
> > > >> > >>>>>>> Log4J2 is release/stabilized there is a new one :
> > > >> > >>>>>>> org.apache.logging.slf4j.Log4jLoggerFactory
> > > >> > >>>>>>>
> > > >> > >>>>>>
> > > >> > >>>>>> If I asked Ceki for help I’d get it immediately also. Who
> > isn’t
> > > >> > going to
> > > >> > >>>>>> help there to get their library bundled with Maven?
> > > >> > >>>>>>
> > > >> > >>>>>>> For the replacement of the implementation and activate
> > colors
> > > I
> > > >> > prefer
> > > >> > >>>> to
> > > >> > >>>>>>> let active committers decide of what they are doing (I
> > imagine
> > > >> > that for
> > > >> > >>>>>> any
> > > >> > >>>>>>> choice they are doing it doesn't avoid you to use another
> > one
> > > in
> > > >> > your
> > > >> > >>>> own
> > > >> > >>>>>>> distribution ?
> > > >> > >>>>>>>
> > > >> > >>>>>>> I would prefer log4j2 but clearly I never merged it
> because
> > of
> > > >> the
> > > >> > >>>> slf4j
> > > >> > >>>>>>> conflict that I don't understand (but I didn't spend a lot
> > of
> > > >> time
> > > >> > on
> > > >> > >>>> it)
> > > >> > >>>>>>>
> > > >> > >>>>>>
> > > >> > >>>>>> To me the most important factor is usage, of course you
> need
> > > some
> > > >> > >>>>>> threshold of developers so that people are working on it
> but
> > > even
> > > >> > there
> > > >> > >>>> I’d
> > > >> > >>>>>> say it’s pretty sparse in Log4J2. But with widespread usage
> > > comes
> > > >> > >>>>>> examination, issue submissions, pull requests and
> ultimately
> > > more
> > > >> > people
> > > >> > >>>>>> that contribute and that’s clearly the case with Logback. I
> > > don’t
> > > >> > see
> > > >> > >>>> how
> > > >> > >>>>>> you can logically refute that and see Log4J2 a better
> choice
> > > >> > because of
> > > >> > >>>>>> what organization it’s developed within? Logback has a
> > > community
> > > >> it
> > > >> > just
> > > >> > >>>>>> doesn’t happen to be here, and Ceki's not some random guy.
> He
> > > >> also
> > > >> > has a
> > > >> > >>>>>> long track record of open source dedication and
> contribution.
> > > >> > >>>>>>
> > > >> > >>>>>>> Cheers
> > > >> > >>>>>>>
> > > >> > >>>>>>>
> > > >> > >>>>>>>
> > > >> > >>>>>>> On Wed, Jan 6, 2016 at 5:46 PM, Jason van Zyl <
> > > [email protected]>
> > > >> > wrote:
> > > >> > >>>>>>>
> > > >> > >>>>>>>> These are the numbers I arrived at, happy to run them
> with
> > > >> > different
> > > >> > >>>>>>>> coordinates but thought these were representative:
> > > >> > >>>>>>>>
> > > >> > >>>>>>>> gremlin> g.V('vc', 'log4j:log4j').inE.count()
> > > >> > >>>>>>>> ==>84570
> > > >> > >>>>>>>>
> > > >> > >>>>>>>> gremlin> g.V('vc',
> > > >> 'ch.qos.logback:logback-classic').inE.count()
> > > >> > >>>>>>>> ==>62389
> > > >> > >>>>>>>>
> > > >> > >>>>>>>> gremlin> g.V('vc',
> > > >> > 'org.apache.logging.log4j:log4j-core').inE.count()
> > > >> > >>>>>>>> ==>3134
> > > >> > >>>>>>>>
> > > >> > >>>>>>>> These are incoming edges across all versions of said
> > > >> coordinate.
> > > >> > >>>>>>>>
> > > >> > >>>>>>>>> On Jan 6, 2016, at 11:15 AM, Jason van Zyl <
> > [email protected]
> > > >
> > > >> > wrote:
> > > >> > >>>>>>>>>
> > > >> > >>>>>>>>> As we said previously when the the question arose again
> > > there
> > > >> > would
> > > >> > >>>> be
> > > >> > >>>>>> a
> > > >> > >>>>>>>> discussion. You may not remember, but I expect there to
> be
> > a
> > > >> > >>>> discussion.
> > > >> > >>>>>>>>>
> > > >> > >>>>>>>>> I have built a graph of Maven Central to analyze the
> rank
> > > >> (count
> > > >> > of
> > > >> > >>>> all
> > > >> > >>>>>>>> incoming edges) for Log4J2 and Logback and it is clear
> from
> > > >> those
> > > >> > >>>>>> numbers
> > > >> > >>>>>>>> that everyone has gone from Log4J to Logback. What has
> > > >> happened, I
> > > >> > >>>>>> believe
> > > >> > >>>>>>>> from the numbers, is that the community followed the
> > founder
> > > of
> > > >> > the
> > > >> > >>>>>> project
> > > >> > >>>>>>>> and not the owner project in pretty much the exact same
> way
> > > >> users
> > > >> > went
> > > >> > >>>>>> with
> > > >> > >>>>>>>> Jenkins and not Hudson. Anyone is happy to take the graph
> > and
> > > >> > verify
> > > >> > >>>>>> this
> > > >> > >>>>>>>> themselves, or generate their own data from the machine
> > that
> > > is
> > > >> > >>>> housing
> > > >> > >>>>>> the
> > > >> > >>>>>>>> copy of Maven Central at Google.
> > > >> > >>>>>>>>>
> > > >> > >>>>>>>>> Additionally Igor has an implementation for logging
> during
> > > >> > concurrent
> > > >> > >>>>>>>> builds based on Logback that I would really like to use,
> > and
> > > >> the
> > > >> > color
> > > >> > >>>>>>>> logging is also easy with Logback. I do not want to use
> > > >> something
> > > >> > that
> > > >> > >>>>>> the
> > > >> > >>>>>>>> community at large has not adopted.
> > > >> > >>>>>>>>>
> > > >> > >>>>>>>>> Again, anyone is welcome to the code and/or the data if
> > they
> > > >> > want to
> > > >> > >>>>>>>> verify this themselves.
> > > >> > >>>>>>>>>
> > > >> > >>>>>>>>> I also am not interested in a debate so if we disagree
> > then
> > > >> just
> > > >> > >>>> leave
> > > >> > >>>>>>>> the simple implementation in place. I’m not
> philosophically
> > > >> > motivated
> > > >> > >>>>>> much
> > > >> > >>>>>>>> here in these discussions but I’m vehemently opposed to
> > > >> > integrating
> > > >> > >>>>>> Log4J2.
> > > >> > >>>>>>>>>
> > > >> > >>>>>>>>>> On Jan 6, 2016, at 7:55 AM, Arnaud Héritier <
> > > >> > [email protected]>
> > > >> > >>>>>>>> wrote:
> > > >> > >>>>>>>>>>
> > > >> > >>>>>>>>>> thanks for this valuable comment Jason :(
> > > >> > >>>>>>>>>>
> > > >> > >>>>>>>>>> On Wed, Jan 6, 2016 at 1:46 PM, Jason van Zyl <
> > > >> [email protected]>
> > > >> > >>>>>> wrote:
> > > >> > >>>>>>>>>>
> > > >> > >>>>>>>>>>> -1
> > > >> > >>>>>>>>>>>
> > > >> > >>>>>>>>>>> Do not merge this branch.
> > > >> > >>>>>>>>>>>
> > > >> > >>>>>>>>>>>> On Jan 6, 2016, at 4:05 AM, Tibor Digana <
> > > >> > [email protected]>
> > > >> > >>>>>>>> wrote:
> > > >> > >>>>>>>>>>>>
> > > >> > >>>>>>>>>>>> Hi Arnaud,
> > > >> > >>>>>>>>>>>> Do you plan a Release Version to merge this branch o
> > > >> master in
> > > >> > >>>>>> Maven?
> > > >> > >>>>>>>>>>>>
> > > >> > >>>>>>>>>>>> On Tue, Jan 5, 2016 at 7:18 AM, Arnaud Héritier [via
> > > >> Maven] <
> > > >> > >>>>>>>>>>>> [email protected]> wrote:
> > > >> > >>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>> Just because only 2.4 was available when I updated
> > this
> > > >> > feature
> > > >> > >>>>>>>> branch
> > > >> > >>>>>>>>>>> few
> > > >> > >>>>>>>>>>>>> months ago.
> > > >> > >>>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>> Le mardi 5 janvier 2016, Gary Gregory <[hidden
> email]
> > > >> > >>>>>>>>>>>>> <http://
> > > /user/SendEmail.jtp?type=node&node=5857870&i=0>>
> > > >> a
> > > >> > >>>> écrit :
> > > >> > >>>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>>> Hi Arnaud,
> > > >> > >>>>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>>> Thank you for the update.
> > > >> > >>>>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>>> Why not update the Log4j 2 dep from 2.4 to 2.5?
> > > >> > >>>>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>>> Gary
> > > >> > >>>>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>>> On Mon, Jan 4, 2016 at 2:46 PM, Arnaud Héritier
> > > <[hidden
> > > >> > email]
> > > >> > >>>>>>>>>>>>> <http://
> > /user/SendEmail.jtp?type=node&node=5857870&i=1>
> > > >> > >>>>>>>>>>>>>> <javascript:;>> wrote:
> > > >> > >>>>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>>>> Hi Gary,
> > > >> > >>>>>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>>>> I fixed this in the branch :
> > > >> > >>>>>>>>>>>>>>>
> > > https://github.com/apache/maven/commits/slf4j-log4j2.4
> > > >> > >>>>>>>>>>>>>>> The fix is in
> > > >> > >>>>>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>>
> > > >> > >>>>>>>>>>>
> > > >> > >>>>>>>>
> > > >> > >>>>>>
> > > >> > >>>>
> > > >> >
> > > >>
> > >
> >
> maven-embedder/src/main/resources/META-INF/maven/slf4j-configuration.properties
> > > >> > >>>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>>>> (
> > > >> > >>>>>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>>
> > > >> > >>>>>>>>>>>
> > > >> > >>>>>>>>
> > > >> > >>>>>>
> > > >> > >>>>
> > > >> >
> > > >>
> > >
> >
> https://github.com/apache/maven/commit/8cddea291c279130d437bcdf3337f16296558530
> > > >> > >>>>>>>>>>>>>>> )
> > > >> > >>>>>>>>>>>>>>> It is the update I did after my old blog post :
> > > >> > >>>>>>>>>>>>>>> http://www.aheritier.net/united-colors-of-maven/
> > > >> > >>>>>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>>>> BR
> > > >> > >>>>>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>>>> On Fri, Dec 25, 2015 at 4:09 PM, Gary Gregory
> > <[hidden
> > > >> > email]
> > > >> > >>>>>>>>>>>>> <http://
> > /user/SendEmail.jtp?type=node&node=5857870&i=2>
> > > >> > >>>>>>>>>>>>>> <javascript:;>>
> > > >> > >>>>>>>>>>>>>>> wrote:
> > > >> > >>>>>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>>>>> Hi All,
> > > >> > >>>>>>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>>>>> Happy Holidays.
> > > >> > >>>>>>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>>>>> Can the next version of Maven be rid of this
> > warning:
> > > >> > >>>>>>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>>>>> [WARN] The SLF4J binding actually used is not
> > > >> supported by
> > > >> > >>>>>> Maven:
> > > >> > >>>>>>>>>>>>>>>> org.apache.logging.slf4j.Log4jLoggerFactory
> > > >> > >>>>>>>>>>>>>>>> [WARN] Maven supported bindings are:
> > > >> > >>>>>>>>>>>>>>>> [WARN] (from
> > > >> > >>>>>>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>>
> > > >> > >>>>>>>>>>>
> > > >> > >>>>>>>>
> > > >> > >>>>>>
> > > >> > >>>>
> > > >> >
> > > >>
> > >
> >
> jar:file:/E:/Java/apache-maven-3.3.9/bin/../lib/maven-embedder-3.3.9.jar!/META-INF/maven/slf4j-configuration.properties)
> > > >> > >>>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>>>>> - ch.qos.logback.classic.LoggerContext
> > > >> > >>>>>>>>>>>>>>>> - org.slf4j.helpers.Log4jLoggerFactory
> > > >> > >>>>>>>>>>>>>>>> - org.slf4j.impl.SimpleLoggerFactory
> > > >> > >>>>>>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>>>>> Is there a step I am missing to use Log4j 2
> > cleanly?
> > > My
> > > >> > steps
> > > >> > >>>>>> are
> > > >> > >>>>>>>>>>>>> here:
> > > >> > >>>>>>>>>>>>>>>>
> > > >> > >>>>>>>>
> > > >> >
> https://garygregory.wordpress.com/2015/03/23/watch-maven-in-color/
> > > >> > >>>>>>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>>>>> --
> > > >> > >>>>>>>>>>>>>>>> E-Mail: [hidden email]
> > > >> > >>>>>>>>>>>>> <http://
> > /user/SendEmail.jtp?type=node&node=5857870&i=3>
> > > >> > >>>>>>>> <javascript:;>
> > > >> > >>>>>>>>>>> | [hidden
> > > >> > >>>>>>>>>>>>> email] <http://
> > > >> > /user/SendEmail.jtp?type=node&node=5857870&i=4>
> > > >> > >>>>>>>>>>>>>> <javascript:;>
> > > >> > >>>>>>>>>>>>>>>> Java Persistence with Hibernate, Second Edition
> > > >> > >>>>>>>>>>>>>>>> <http://www.manning.com/bauer3/>
> > > >> > >>>>>>>>>>>>>>>> JUnit in Action, Second Edition <
> > > >> > >>>>>> http://www.manning.com/tahchiev/
> > > >> > >>>>>>>>>
> > > >> > >>>>>>>>>>>>>>>> Spring Batch in Action <
> > > >> http://www.manning.com/templier/>
> > > >> > >>>>>>>>>>>>>>>> Blog: http://garygregory.wordpress.com
> > > >> > >>>>>>>>>>>>>>>> Home: http://garygregory.com/
> > > >> > >>>>>>>>>>>>>>>> Tweet! http://twitter.com/GaryGregory
> > > >> > >>>>>>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>>>> --
> > > >> > >>>>>>>>>>>>>>> -----
> > > >> > >>>>>>>>>>>>>>> Arnaud Héritier
> > > >> > >>>>>>>>>>>>>>> http://aheritier.net
> > > >> > >>>>>>>>>>>>>>> Mail/GTalk: aheritier AT gmail DOT com
> > > >> > >>>>>>>>>>>>>>> Twitter/Skype : aheritier
> > > >> > >>>>>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>>> --
> > > >> > >>>>>>>>>>>>>> E-Mail: [hidden email]
> > > >> > >>>>>>>>>>>>> <http://
> > /user/SendEmail.jtp?type=node&node=5857870&i=5>
> > > >> > >>>>>>>> <javascript:;>
> > > >> > >>>>>>>>>>> | [hidden
> > > >> > >>>>>>>>>>>>> email] <http://
> > > >> > /user/SendEmail.jtp?type=node&node=5857870&i=6>
> > > >> > >>>>>>>>>>>>>> <javascript:;>
> > > >> > >>>>>>>>>>>>>> Java Persistence with Hibernate, Second Edition
> > > >> > >>>>>>>>>>>>>> <http://www.manning.com/bauer3/>
> > > >> > >>>>>>>>>>>>>> JUnit in Action, Second Edition <
> > > >> > >>>> http://www.manning.com/tahchiev/
> > > >> > >>>>>>>
> > > >> > >>>>>>>>>>>>>> Spring Batch in Action <
> > > http://www.manning.com/templier/
> > > >> >
> > > >> > >>>>>>>>>>>>>> Blog: http://garygregory.wordpress.com
> > > >> > >>>>>>>>>>>>>> Home: http://garygregory.com/
> > > >> > >>>>>>>>>>>>>> Tweet! http://twitter.com/GaryGregory
> > > >> > >>>>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>> --
> > > >> > >>>>>>>>>>>>> -----
> > > >> > >>>>>>>>>>>>> Arnaud Héritier
> > > >> > >>>>>>>>>>>>> http://aheritier.net
> > > >> > >>>>>>>>>>>>> Mail/GTalk: aheritier AT gmail DOT com
> > > >> > >>>>>>>>>>>>> Twitter/Skype : aheritier
> > > >> > >>>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>> ------------------------------
> > > >> > >>>>>>>>>>>>> If you reply to this email, your message will be
> added
> > > to
> > > >> the
> > > >> > >>>>>>>> discussion
> > > >> > >>>>>>>>>>>>> below:
> > > >> > >>>>>>>>>>>>>
> > > >> > >>>>>>>>
> > > >> >
> > http://maven.40175.n5.nabble.com/Log4j-Warning-tp5856237p5857870.html
> > > >> > >>>>>>>>>>>>> To start a new topic under Maven Developers, email
> > > >> > >>>>>>>>>>>>> [email protected]
> > > >> > >>>>>>>>>>>>> To unsubscribe from Maven Developers, click here
> > > >> > >>>>>>>>>>>>> <
> > > >> > >>>>>>>>>>>
> > > >> > >>>>>>>>
> > > >> > >>>>>>
> > > >> > >>>>
> > > >> >
> > > >>
> > >
> >
> http://maven.40175.n5.nabble.com/template/NamlServlet.jtp?macro=unsubscribe_by_code&node=142166&code=dGlib3JkaWdhbmFAYXBhY2hlLm9yZ3wxNDIxNjZ8LTI4OTQ5MjEwMg==
> > > >> > >>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>> .
> > > >> > >>>>>>>>>>>>> NAML
> > > >> > >>>>>>>>>>>>> <
> > > >> > >>>>>>>>>>>
> > > >> > >>>>>>>>
> > > >> > >>>>>>
> > > >> > >>>>
> > > >> >
> > > >>
> > >
> >
> http://maven.40175.n5.nabble.com/template/NamlServlet.jtp?macro=macro_viewer&id=instant_html%21nabble%3Aemail.naml&base=nabble.naml.namespaces.BasicNamespace-nabble.view.web.template.NabbleNamespace-nabble.view.web.template.NodeNamespace&breadcrumbs=notify_subscribers%21nabble%3Aemail.naml-instant_emails%21nabble%3Aemail.naml-send_instant_email%21nabble%3Aemail.naml
> > > >> > >>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>
> > > >> > >>>>>>>>>>>>
> > > >> > >>>>>>>>>>>> --
> > > >> > >>>>>>>>>>>> View this message in context:
> > > >> > >>>>>>>>>>>
> > > >> > >>>>>>
> > > >> >
> > http://maven.40175.n5.nabble.com/Log4j-Warning-tp5856237p5857942.html
> > > >> > >>>>>>>>>>>> Sent from the Maven Developers mailing list archive
> at
> > > >> > Nabble.com.
> > > >> > >>>>>>>>>>>
> > > >> > >>>>>>>>>>> Thanks,
> > > >> > >>>>>>>>>>>
> > > >> > >>>>>>>>>>> Jason
> > > >> > >>>>>>>>>>>
> > > >> > >>>>>>>>>>>
> > ----------------------------------------------------------
> > > >> > >>>>>>>>>>> Jason van Zyl
> > > >> > >>>>>>>>>>> Founder, Takari and Apache Maven
> > > >> > >>>>>>>>>>> http://twitter.com/jvanzyl
> > > >> > >>>>>>>>>>> http://twitter.com/takari_io
> > > >> > >>>>>>>>>>>
> > ---------------------------------------------------------
> > > >> > >>>>>>>>>>>
> > > >> > >>>>>>>>>>> {script:nopre:"/Users/jvanzyl/signature/signature.sh"}
> > > >> > >>>>>>>>>>>
> > > >> > >>>>>>>>>>>
> > > >> > >>>>>>>>>>>
> > > >> > >>>>
> > > >>
> ---------------------------------------------------------------------
> > > >> > >>>>>>>>>>> To unsubscribe, e-mail:
> > [email protected]
> > > >> > >>>>>>>>>>> For additional commands, e-mail:
> > > [email protected]
> > > >> > >>>>>>>>>>>
> > > >> > >>>>>>>>>>>
> > > >> > >>>>>>>>>>
> > > >> > >>>>>>>>>>
> > > >> > >>>>>>>>>> --
> > > >> > >>>>>>>>>> -----
> > > >> > >>>>>>>>>> Arnaud Héritier
> > > >> > >>>>>>>>>> http://aheritier.net
> > > >> > >>>>>>>>>> Mail/GTalk: aheritier AT gmail DOT com
> > > >> > >>>>>>>>>> Twitter/Skype : aheritier
> > > >> > >>>>>>>>>
> > > >> > >>>>>>>>> Thanks,
> > > >> > >>>>>>>>>
> > > >> > >>>>>>>>> Jason
> > > >> > >>>>>>>>>
> > > >> > >>>>>>>>>
> ----------------------------------------------------------
> > > >> > >>>>>>>>> Jason van Zyl
> > > >> > >>>>>>>>> Founder, Takari and Apache Maven
> > > >> > >>>>>>>>> http://twitter.com/jvanzyl
> > > >> > >>>>>>>>> http://twitter.com/takari_io
> > > >> > >>>>>>>>>
> ---------------------------------------------------------
> > > >> > >>>>>>>>>
> > > >> > >>>>>>>>> {script:nopre:"/Users/jvanzyl/signature/signature.sh"}
> > > >> > >>>>>>>>>
> > > >> > >>>>>>>>>
> > > >> > >>>>>>>>>
> > > >> >
> > ---------------------------------------------------------------------
> > > >> > >>>>>>>>> To unsubscribe, e-mail:
> [email protected]
> > > >> > >>>>>>>>> For additional commands, e-mail:
> > [email protected]
> > > >> > >>>>>>>>>
> > > >> > >>>>>>>>
> > > >> > >>>>>>>> Thanks,
> > > >> > >>>>>>>>
> > > >> > >>>>>>>> Jason
> > > >> > >>>>>>>>
> > > >> > >>>>>>>>
> ----------------------------------------------------------
> > > >> > >>>>>>>> Jason van Zyl
> > > >> > >>>>>>>> Founder, Takari and Apache Maven
> > > >> > >>>>>>>> http://twitter.com/jvanzyl
> > > >> > >>>>>>>> http://twitter.com/takari_io
> > > >> > >>>>>>>> ---------------------------------------------------------
> > > >> > >>>>>>>>
> > > >> > >>>>>>>> {script:nopre:"/Users/jvanzyl/signature/signature.sh"}
> > > >> > >>>>>>>>
> > > >> > >>>>>>>>
> > > >> > >>>>>>>>
> > > >> >
> > ---------------------------------------------------------------------
> > > >> > >>>>>>>> To unsubscribe, e-mail: [email protected]
> > > >> > >>>>>>>> For additional commands, e-mail:
> [email protected]
> > > >> > >>>>>>>>
> > > >> > >>>>>>>>
> > > >> > >>>>>>>
> > > >> > >>>>>>>
> > > >> > >>>>>>> --
> > > >> > >>>>>>> -----
> > > >> > >>>>>>> Arnaud Héritier
> > > >> > >>>>>>> http://aheritier.net
> > > >> > >>>>>>> Mail/GTalk: aheritier AT gmail DOT com
> > > >> > >>>>>>> Twitter/Skype : aheritier
> > > >> > >>>>>>
> > > >> > >>>>>> Thanks,
> > > >> > >>>>>>
> > > >> > >>>>>> Jason
> > > >> > >>>>>>
> > > >> > >>>>>> ----------------------------------------------------------
> > > >> > >>>>>> Jason van Zyl
> > > >> > >>>>>> Founder, Takari and Apache Maven
> > > >> > >>>>>> http://twitter.com/jvanzyl
> > > >> > >>>>>> http://twitter.com/takari_io
> > > >> > >>>>>> ---------------------------------------------------------
> > > >> > >>>>>>
> > > >> > >>>>>> {script:nopre:"/Users/jvanzyl/signature/signature.sh"}
> > > >> > >>>>>>
> > > >> > >>>>>>
> > > >> > >>>>>>
> > > >> >
> > ---------------------------------------------------------------------
> > > >> > >>>>>> To unsubscribe, e-mail: [email protected]
> > > >> > >>>>>> For additional commands, e-mail: [email protected]
> > > >> > >>>>>>
> > > >> > >>>>>>
> > > >> > >>>>
> > > >> > >>>> Thanks,
> > > >> > >>>>
> > > >> > >>>> Jason
> > > >> > >>>>
> > > >> > >>>> ----------------------------------------------------------
> > > >> > >>>> Jason van Zyl
> > > >> > >>>> Founder, Takari and Apache Maven
> > > >> > >>>> http://twitter.com/jvanzyl
> > > >> > >>>> http://twitter.com/takari_io
> > > >> > >>>> ---------------------------------------------------------
> > > >> > >>>>
> > > >> > >>>> {script:nopre:"/Users/jvanzyl/signature/signature.sh"}
> > > >> > >>>>
> > > >> > >>>>
> > > >> > >>>>
> > > >>
> ---------------------------------------------------------------------
> > > >> > >>>> To unsubscribe, e-mail: [email protected]
> > > >> > >>>> For additional commands, e-mail: [email protected]
> > > >> > >>>>
> > > >> > >>>>
> > > >> > >>
> > > >> > >> Thanks,
> > > >> > >>
> > > >> > >> Jason
> > > >> > >>
> > > >> > >> ----------------------------------------------------------
> > > >> > >> Jason van Zyl
> > > >> > >> Founder, Takari and Apache Maven
> > > >> > >> http://twitter.com/jvanzyl <http://twitter.com/jvanzyl>
> > > >> > >> http://twitter.com/takari_io <http://twitter.com/takari_io>
> > > >> > >> ---------------------------------------------------------
> > > >> > >>
> > > >> > >> {script:nopre:"/Users/jvanzyl/signature/signature.sh"}
> > > >> > >>
> > > >> > >>
> > > >> > >>
> > > ---------------------------------------------------------------------
> > > >> > >> To unsubscribe, e-mail: [email protected]
> > <mailto:
> > > >> > [email protected]>
> > > >> > >> For additional commands, e-mail: [email protected]
> > > <mailto:
> > > >> > [email protected]>
> > > >> >
> > > >> > Thanks,
> > > >> >
> > > >> > Jason
> > > >> >
> > > >> > ----------------------------------------------------------
> > > >> > Jason van Zyl
> > > >> > Founder, Takari and Apache Maven
> > > >> > http://twitter.com/jvanzyl
> > > >> > http://twitter.com/takari_io
> > > >> > ---------------------------------------------------------
> > > >> >
> > > >> > {script:nopre:"/Users/jvanzyl/signature/signature.sh"}
> > > >> >
> > > >> >
> > > >> >
> > ---------------------------------------------------------------------
> > > >> > To unsubscribe, e-mail: [email protected]
> > > >> > For additional commands, e-mail: [email protected]
> > > >> >
> > > >> >
> > > >>
> > > >
> > > >
> > > >
> > > > --
> > > > -----
> > > > Arnaud Héritier
> > > > http://aheritier.net
> > > > Mail/GTalk: aheritier AT gmail DOT com
> > > > Twitter/Skype : aheritier
> > > >
> > >
> >
> >
> >
> > --
> > -----
> > Arnaud Héritier
> > http://aheritier.net
> > Mail/GTalk: aheritier AT gmail DOT com
> > Twitter/Skype : aheritier
> >
>



-- 
-----
Arnaud Héritier
http://aheritier.net
Mail/GTalk: aheritier AT gmail DOT com
Twitter/Skype : aheritier

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