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From Gary Gregory <garydgreg...@gmail.com>
Subject Re: [JCS] Rework logging
Date Wed, 20 Aug 2014 19:27:23 GMT
On Wed, Aug 20, 2014 at 11:37 AM, Romain Manni-Bucau <rmannibucau@gmail.com>
wrote:

> If take tomee stack as reference (to list a few: cxf, bval, owb,
> openejb, tomcat....). Noone is integrated with log4j2 API. So suppose
> we move jcs to log4j2 then to integrate it with tomee we'll need to
> shade it to remove log4j2 dependency to ensure it works.
>
> Other issue is log4j2 is quite broken (less than slf4j but still) in
> hierarchical classloaders.


Can you please create a JIRA for in Log4J2 with your use case?

Thank you,
Gary


> AFAIK it check tomcat classloader but not
> others (tomee one for instance) and no config available to say "use it
> at this level" and from this level ignore previous config.
> https://issues.apache.org/jira/browse/LOG4J2-604 will surely help BTW
> but will surely need a SPI to be clean.
>
> @Gary - not fully linked but I didnt find log4j2-JUL integration, do
> you have a pointer?
>
>
> Romain Manni-Bucau
> Twitter: @rmannibucau
> Blog: http://rmannibucau.wordpress.com/
> LinkedIn: http://fr.linkedin.com/in/rmannibucau
> Github: https://github.com/rmannibucau
>
>
> 2014-08-20 17:31 GMT+02:00 Gary Gregory <garydgregory@gmail.com>:
> > On Wed, Aug 20, 2014 at 10:41 AM, Romain Manni-Bucau <
> rmannibucau@gmail.com>
> > wrote:
> >
> >> trying to make it complete:
> >>
> >> Solutions are:
> >> 1) [logging] - think it is deprecated too
> >> 2) log4j2: not integrated at all with anything
> >
> >
> > What do you mean by "integrated"? Log4j 2 provides a SLF4J bridge for
> > example. Or do you mean that other projects are not listed as users of
> > Log4j 2 on the site?
> >
> > Gary
> >
> >
> >> so a bit early but we
> >> *need* to be compatible
> >> 3) slf4j: broken in hierarchical classloaders
> >> 4) JUL: not that friendly but prod ready in tomcat/tomee
> >> 5) custom logging solution: not a standard but exists in
> >> containers/frameworks
> >> 6) JCS logger facade
> >>
> >>
> >> I'd love to go with log4j2 by default byt I'm sure it will break in a
> >> lot of environment.
> >> Regarding TomEE use case (this issue popped up from tomee initially):
> >> log4j2 is not yet fully supported cause PropertyConfigurator is now a
> >> noop implementation and some shutdown messages were lost last time I
> >> re-tried (I pan to dig into it next month more or less)
> >>
> >> Personally I'd go with JUL since it is library free and can be easily
> >> extended to support slf4j/log4j - see
> >>
> >>
> http://svn.apache.org/repos/asf/tomee/tomee/trunk/container/openejb-core/src/main/java/org/apache/openejb/log/logger/
> >> -  etc (done in cxf, OWB, OpenEJB....) but having a light JCS facade
> >> (mainly a factory) would work too.
> >>
> >> PS for who didnt read the associated jira: I don't want this task to
> >> prevent a 2.0 release. If you see it as a blocker we can do a
> >> 2.0-alpha but we really need to make this code released IMHO, I really
> >> want to avoid some tunnel effect.
> >>
> >>
> >>
> >>
> >> Romain Manni-Bucau
> >> Twitter: @rmannibucau
> >> Blog: http://rmannibucau.wordpress.com/
> >> LinkedIn: http://fr.linkedin.com/in/rmannibucau
> >> Github: https://github.com/rmannibucau
> >>
> >>
> >> 2014-08-20 16:22 GMT+02:00 David Green <djg2002@gmail.com>:
> >> > +1 for slf4j
> >> >
> >> >
> >> >
> >> > On 20 August 2014 14:54, Yogesh Rao <yogu13@gmail.com> wrote:
> >> >
> >> >> Though i am not a member of the dev team :-) I would support a full
> >> fledge
> >> >> facade implementation which doesn't provide any logging at all and
> let
> >> the
> >> >> framework user decide which logging would he would like to bind it
> to.
> >> >> SLF4J does that very neatly and its also easy, i am also aware it
> might
> >> >> turn down the performance a little.
> >> >>
> >> >> Regards,
> >> >> -Yogesh
> >> >>
> >> >>
> >> >> On Wed, Aug 20, 2014 at 7:17 PM, sebb <sebbaz@gmail.com> wrote:
> >> >>
> >> >> > On 20 August 2014 14:37, Gary Gregory <garydgregory@gmail.com>
> wrote:
> >> >> > > On Wed, Aug 20, 2014 at 9:28 AM, sebb <sebbaz@gmail.com>
wrote:
> >> >> > >
> >> >> > >> On 20 August 2014 14:04, Gary Gregory <garydgregory@gmail.com>
> >> wrote:
> >> >> > >> > Moving discussion about logging from [JCS-122] to
this dev ML.
> >> >> > >> >
> >> >> > >> > Why not use Log4j 2, uses can redirect logging to
other
> >> frameworks
> >> >> if
> >> >> > >> > needed.
> >> >> > >>
> >> >> > >> Why not use Commons Logging, can redirect logging to
other
> >> frameworks
> >> >> if
> >> >> > >> needed?
> >> >> > >>
> >> >> > >
> >> >> > > I'd like to think that Commons Logging has been deprecated
by
> Log4j
> >> 2
> >> >> can
> >> >> >
> >> >> > That is not an opinion that is universally shared.
> >> >> >
> >> >> > > do the same thing (in principle) AND provide it's own advanced
> >> logging
> >> >> > > framework.
> >> >> >
> >> >> > s/it's/its/
> >> >> >
> >> >> > That may be so, but I don't think that is sufficient reason to
> choose
> >> >> > Log4j2 over any other library.
> >> >> >
> >> >> > > Gary
> >> >> > >
> >> >> > >
> >> >> > >> > Gary
> >> >> > >> >
> >> >> > >> > --
> >> >> > >> > E-Mail: garydgregory@gmail.com | ggregory@apache.org
> >> >> > >> > 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
> >> >> > >>
> >> >> > >>
> >> ---------------------------------------------------------------------
> >> >> > >> To unsubscribe, e-mail: dev-unsubscribe@commons.apache.org
> >> >> > >> For additional commands, e-mail: dev-help@commons.apache.org
> >> >> > >>
> >> >> > >>
> >> >> > >
> >> >> > >
> >> >> > > --
> >> >> > > E-Mail: garydgregory@gmail.com | ggregory@apache.org
> >> >> > > 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
> >> >> >
> >> >> >
> ---------------------------------------------------------------------
> >> >> > To unsubscribe, e-mail: dev-unsubscribe@commons.apache.org
> >> >> > For additional commands, e-mail: dev-help@commons.apache.org
> >> >> >
> >> >> >
> >> >>
> >>
> >> ---------------------------------------------------------------------
> >> To unsubscribe, e-mail: dev-unsubscribe@commons.apache.org
> >> For additional commands, e-mail: dev-help@commons.apache.org
> >>
> >>
> >
> >
> > --
> > E-Mail: garydgregory@gmail.com | ggregory@apache.org
> > 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
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: dev-unsubscribe@commons.apache.org
> For additional commands, e-mail: dev-help@commons.apache.org
>
>


-- 
E-Mail: garydgregory@gmail.com | ggregory@apache.org
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

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