On Wed, Aug 20, 2014 at 11:37 AM, Romain Manni-Bucau <rmannibu...@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 <garydgreg...@gmail.com>: > > On Wed, Aug 20, 2014 at 10:41 AM, Romain Manni-Bucau < > rmannibu...@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 <djg2...@gmail.com>: > >> > +1 for slf4j > >> > > >> > > >> > > >> > On 20 August 2014 14:54, Yogesh Rao <yog...@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 <seb...@gmail.com> wrote: > >> >> > >> >> > On 20 August 2014 14:37, Gary Gregory <garydgreg...@gmail.com> > wrote: > >> >> > > On Wed, Aug 20, 2014 at 9:28 AM, sebb <seb...@gmail.com> wrote: > >> >> > > > >> >> > >> On 20 August 2014 14:04, Gary Gregory <garydgreg...@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: garydgreg...@gmail.com | ggreg...@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-unsubscr...@commons.apache.org > >> >> > >> For additional commands, e-mail: dev-h...@commons.apache.org > >> >> > >> > >> >> > >> > >> >> > > > >> >> > > > >> >> > > -- > >> >> > > E-Mail: garydgreg...@gmail.com | ggreg...@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-unsubscr...@commons.apache.org > >> >> > For additional commands, e-mail: dev-h...@commons.apache.org > >> >> > > >> >> > > >> >> > >> > >> --------------------------------------------------------------------- > >> To unsubscribe, e-mail: dev-unsubscr...@commons.apache.org > >> For additional commands, e-mail: dev-h...@commons.apache.org > >> > >> > > > > > > -- > > E-Mail: garydgreg...@gmail.com | ggreg...@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-unsubscr...@commons.apache.org > For additional commands, e-mail: dev-h...@commons.apache.org > > -- E-Mail: garydgreg...@gmail.com | ggreg...@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
