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Message-ID: <005d01c438db$9b2f5420$1700a8c0@talicnitom>
From: "Igor Smirnov" <igor@prozone.co.yu>
To: "Jakarta Commons Users List" <commons-user@jakarta.apache.org>
References: <OMEFICPNAPCCIIINHCAAKELECGAA.tatu.vanhanen@graftor.fi>
Subject: Re: [logging] How to get logging to use new Monolog subclass
Date: Thu, 13 May 2004 13:15:32 +0200
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As previously said, I'd need to set a system logger.
I start tomcat with catalina start. Now, looking into Tomcat 5 classloader
doc
http://jakarta.apache.org/tomcat/tomcat-5.0-doc/class-loader-howto.html
, I've found that using this script only a few .jars will be loaded (Check
the page).
I am run-time debugging commons logging and that is why I needed to start
this script. I am about yo try starting tomcat differently and will report
my findings shortly...
Thanks, Igor

----- Original Message -----
From: "Tatu Vanhanen" <tatu.vanhanen@graftor.fi>
To: "Jakarta Commons Users List" <commons-user@jakarta.apache.org>
Sent: Thursday, May 13, 2004 12:02 PM
Subject: RE: [logging] How to get logging to use new Monolog subclass


> Maybe you know this already, but here some thoughts; correct me if I'm
> wrong!
>
> If you have your log (i.e. Monolog) classes in the webapp's classpath (jar
> in WEB-INF/lib or classes in WEB-INF/classes), you also need to place the
> commons-loggin jar to each webapp where the Monolog is used. The reason is
> that the webapp classloader sees classes in the parent loader's classpath
> (Tomcat shared lib, for example), but the shared classloader does not see
> classes in the webapps' classpath. So, if commons-logging is placed in the
> Tomcat shared lib, it can not load classes placed in a webapp's classpath.
>
> I think the same applies also to property files: they can be found in the
> WEB-INF/classes only if the log classes that need them are also placed in
> the webapp.
>
> Where you have placed the Monolog and commons-logging classes?
>
> - Tatu V.
>
> > -----Original Message-----
> > From: Igor Smirnov [mailto:igor@prozone.co.yu]
> > Sent: 13. toukokuuta 2004 12:21
> > To: Jakarta Commons Users List
> > Subject: Re: [logging] How to get logging to use new Monolog subclass
> >
> >
> > Thanks Jose,
> >
> > Well, I made a little progress:
> > For whatever reason commons-logging-api.jar doesn't see neither log4j
nor
> > monolog's jars.
> > So, i.e. LogFactoryImpl.java:
> > protected boolean isLog4JAvailable() {
> > try {
> > loadClass("org.apache.log4j.Logger");
> > ...
> >
> > doesn't load lof4j. Trows exception instead. I tried moving my
> > jar in every
> > single directory in Tomcat but did not help.
> > Any fresh ideas? :)
> >
> > ----- Original Message -----
> > From: "Jos� Antonio P�rez Testa" <japtesta@indra.es>
> > To: "Jakarta Commons Users List" <commons-user@jakarta.apache.org>
> > Sent: Wednesday, May 12, 2004 6:19 PM
> > Subject: Re: [logging] How to get logging to use new Monolog subclass
> >
> >
> > > Try an empty implementation of MonologLogger. Maybe the implementation
> > > also uses logs in any way ...
> > > If the empty implementation gets instantiated the problem will be in
> > > your implementation.
> > >
> > > If not try replacing all that code for
> > > return new MonologLogger("Forced")
> > >
> > > and see what happen ...
> > > I'm running out of ideas :)
> > >
> > > Igor Smirnov wrote:
> > >
> > > >This is odd:
> > > >logClass.getConstructor(logConstructorSignature)
> > > >
> > > >return a No Class Definition Exception!
> > > >
> > > >and here are the values
> > > >logClass= Class (org.apache.commons.logging.impl.MonologLogger)
> > > >I DO have a
> > > >    public MonologLogger(String name) {
> > > >        this.logger=lf.getLogger(name);
> > > >    }
> > > >
> > > >
> > > >----- Original Message -----
> > > >From: "Jos� Antonio P�rez Testa" <japtesta@indra.es>
> > > >To: "Jakarta Commons Users List" <commons-user@jakarta.apache.org>
> > > >Sent: Wednesday, May 12, 2004 3:31 PM
> > > >Subject: Re: [logging] How to get logging to use new Monolog subclass
> > > >
> > > >
> > > >
> > > >
> > > >>Well done!
> > > >>if everything is right  logClass must be YourImplementation.class
and
> > > >>if  YourImplementation has a constructor like
> > > >>public YourImplementation(String name) {....}
> > > >>it HAS TO work!!
> > > >>
> > > >>
> > > >>
> > > >
> > > >
> > > >---------------------------------------------------------------------
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> > > >
> > > >
> > > >
> > >
> > >
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> > >
> >
> >
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> >
>
>
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