I plan to dig into it before cause if i describe it I fear it will not be clear enough from log4j point of view - no words worth a patch ;).
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 19:27 GMT+00:00 Gary Gregory <garydgreg...@gmail.com>: > 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 --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@commons.apache.org For additional commands, e-mail: dev-h...@commons.apache.org
