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From Yogesh Rao <yog...@gmail.com>
Subject Re: Log4j2 with SL4J Adapter
Date Tue, 02 Sep 2014 14:29:50 GMT
Hi,

Just an update on this... i had little time last week to work on this
issue. I am looking into this now and checking if a sandbox can be created
for execution of the test cases using class loaders.

Thank you!

Regards,
-Yogesh


On Mon, Aug 25, 2014 at 10:48 AM, Yogesh Rao <yogu13@gmail.com> wrote:

> Sure Remko! Will try for it.
>
> Thank you!
>
> Regards,
> -Yogesh
>
> On Monday, August 25, 2014, Remko Popma <remko.popma@gmail.com> wrote:
>
>> Great, thank you! I'll have limited PC access the next ten days or so.
>> If you want to take a stab at providing a patch that includes both a JUnit
>> test and a fix, go for it!
>>
>>
>> On Sun, Aug 24, 2014 at 11:31 PM, Yogesh Rao <yogu13@gmail.com> wrote:
>>
>> > Defect logged under LOG4J2-796
>> >
>> > Regards,
>> > -Yogesh
>> >
>> >
>> > On Sun, Aug 24, 2014 at 2:41 PM, Remko Popma <remko.popma@gmail.com>
>> > wrote:
>> >
>> > > Yogesh,
>> > >
>> > > Thanks! Both would be really helpful!
>> > >
>> > > Remko
>> > >
>> > > Sent from my iPhone
>> > >
>> > > > On 2014/08/24, at 9:09, Yogesh Rao <yogu13@gmail.com> wrote:
>> > > >
>> > > > Thanks Remko!
>> > > >
>> > > > would you like me to create a JIRA ticket for the same ? I could
>> also
>> > try
>> > > > giving a shot at creating that unit test case for you..
>> > > >
>> > > > Regards,
>> > > > -Yogesh
>> > > >
>> > > >
>> > > >> On Sun, Aug 24, 2014 at 12:35 PM, Remko Popma <
>> remko.popma@gmail.com>
>> > > wrote:
>> > > >>
>> > > >> This looks like a bug. The output is the FQCN (fully qualified
>> name of
>> > > the
>> > > >> logger).
>> > > >> This is probably introduced by the changes made for LOG4J2-555.
>> > > >>
>> > > >> Our unit tests are not picking this up because they use
>> > > >> the ch.qos.logback.classic.Logger, which is a LocationAwareLogger
>> and
>> > > >> follows a different code path.
>> > > >> I suspect that Simple Logger is not LocationAware.
>> > > >>
>> > > >> I suspect we should change (in SLF4JLogger.logMessage)
>> > > >>     logger.debug(fqcn, getMarker(marker),
>> > message.getFormattedMessage(),
>> > > >> message.getParameters(), t);
>> > > >> to
>> > > >>     logger.debug(getMarker(marker), message.getFormattedMessage(),
>> > > >> message.getParameters(), t);
>> > > >>
>> > > >> I can change this but want to make a failing unit test first and
I
>> > > haven't
>> > > >> had time to figure out how to do that yet.
>> > > >>
>> > > >>
>> > > >>
>> > > >>> On Sun, Aug 24, 2014 at 12:00 PM, Yogesh Rao <yogu13@gmail.com>
>> > wrote:
>> > > >>>
>> > > >>> Hi Ralph,
>> > > >>>
>> > > >>> The issue for me is log4j2 to slf4j adaptor doesnt seem to
be
>> > working.
>> > > I
>> > > >>> added the log4j configuration only when the logger wasnt working
>> > hence
>> > > i
>> > > >>> mentioned in brackets that i wasnt sure if its needed or not..
>> > > >>>
>> > > >>> So since you mentioned that things should be working without
the
>> > > >>> configuration i removed it and ran but it still doesnt log
the
>> > details
>> > > as
>> > > >>> desired.
>> > > >>>
>> > > >>> Is this an issue with log4j2?
>> > > >>>
>> > > >>> Regards,
>> > > >>> -Yogesh
>> > > >>>
>> > > >>> On Sunday, August 24, 2014, Ralph Goers <
>> ralph.goers@dslextreme.com>
>> > > >>> wrote:
>> > > >>>
>> > > >>>> I am really not clear on what the issue is. It seems you
have
>> things
>> > > >>>> configured so that you can write to the Log4j 2 API but
actually
>> use
>> > > >>> SLF4J
>> > > >>>> for logging.  There is nothing wrong with that but if
you are
>> > routing
>> > > >> to
>> > > >>>> SLF4J and using SLF4J Simple Logger then the Log4j 2
>> configuration
>> > > >> won’t
>> > > >>>> even be used.
>> > > >>>>
>> > > >>>> What are you really wanting to do and what are you expecting
to
>> > > happen?
>> > > >>>>
>> > > >>>> Ralph
>> > > >>>>
>> > > >>>> On Aug 22, 2014, at 7:57 PM, Yogesh Rao <yogu13@gmail.com
>> > > >>> <javascript:;>>
>> > > >>>> wrote:
>> > > >>>>
>> > > >>>>> Thanks matt!
>> > > >>>>>
>> > > >>>>> First is what i am attempting to check.. Here instead
of
>> logback i
>> > > >> have
>> > > >>>>> used slf4j-simple.
>> > > >>>>>
>> > > >>>>> Based on this is there any issue with my implementation?
>> > > >>>>>
>> > > >>>>> Regards,
>> > > >>>>> -Yogesh
>> > > >>>>>
>> > > >>>>> On Friday, August 22, 2014, Matt Sicker <boards@gmail.com
>> > > >>> <javascript:;>>
>> > > >>>> wrote:
>> > > >>>>>
>> > > >>>>>> Using log4j-to-slf4j is for when you want to use
log4j-api but
>> > with
>> > > >> an
>> > > >>>>>> slf4j implementation (like logback). log4j-slf4j-impl
would
>> allow
>> > > >> you
>> > > >>> to
>> > > >>>>>> use slf4j-api and have that log to log4j-core.
>> > > >>>>>>
>> > > >>>>>>
>> > > >>>>>> On 22 August 2014 08:27, Yogesh Rao <yogu13@gmail.com
>> > > >> <javascript:;>
>> > > >>>> <javascript:;>>
>> > > >>>>>> wrote:
>> > > >>>>>>
>> > > >>>>>>> Hi,
>> > > >>>>>>>
>> > > >>>>>>> I am trying out the API side of log4j2 with
the SLF4J adaptor.
>> > With
>> > > >>> the
>> > > >>>>>>> sample code written i couldn't see the logging
being done
>> > properly.
>> > > >>>>>> Perhaps
>> > > >>>>>>> i am doing something wrong here.
>> > > >>>>>>>
>> > > >>>>>>> Firstly versions of the software are :-
>> > > >>>>>>>
>> > > >>>>>>> 1. JDK 1.8.x
>> > > >>>>>>> 2. Log4j2 (2.0.1)
>> > > >>>>>>> 3. SLF4J 1.7.7
>> > > >>>>>>> 4. SLF4J's Simple Logger (1.7.7)
>> > > >>>>>>>
>> > > >>>>>>> Code written is as under
>> > > >>>>>>>
>> > > >>>>>>> HelloWorld.java
>> > > >>>>>>> --------------
>> > > >>>>>>>
>> > > >>>>>>> import org.apache.logging.log4j.LogManager;
>> > > >>>>>>> import org.apache.logging.log4j.Logger;
>> > > >>>>>>>
>> > > >>>>>>>
>> > > >>>>>>> public class HelloWorld {
>> > > >>>>>>>
>> > > >>>>>>> private static final Logger logger =
>> > > >>>> LogManager.getLogger("HelloWorld");
>> > > >>>>>>>   public static void main(String[] args) {
>> > > >>>>>>>       logger.error("Hello, World!");
>> > > >>>>>>>       logger.error("Logging in user {} with
birthday {}",
>> "Ted",
>> > > >>>>>>> "1/10/1900");
>> > > >>>>>>>   }
>> > > >>>>>>>
>> > > >>>>>>> }
>> > > >>>>>>>
>> > > >>>>>>> Log4j.xml (Not sure if this is needed or not)
>> > > >>>>>>> -------------
>> > > >>>>>>>
>> > > >>>>>>> <?xml version="1.0" encoding="UTF-8"?>
>> > > >>>>>>> <Configuration status="WARN">
>> > > >>>>>>> <Appenders>
>> > > >>>>>>>   <Console name="Console" target="SYSTEM_OUT">
>> > > >>>>>>>     <PatternLayout pattern="%d{HH:mm:ss.SSS}
[%t] %-5level
>> > > >>> %logger{36}
>> > > >>>>>> -
>> > > >>>>>>> %msg%n"/>
>> > > >>>>>>>   </Console>
>> > > >>>>>>> </Appenders>
>> > > >>>>>>> <Loggers>
>> > > >>>>>>>   <Root level="INFO">
>> > > >>>>>>>     <AppenderRef ref="Console"/>
>> > > >>>>>>>   </Root>
>> > > >>>>>>> </Loggers>
>> > > >>>>>>> </Configuration>
>> > > >>>>>>>
>> > > >>>>>>>
>> > > >>>>>>> The output generated is
>> > > >>>>>>> -----------------------------
>> > > >>>>>>> [main] ERROR HelloWorld -
>> > > >> org.apache.logging.log4j.spi.AbstractLogger
>> > > >>>>>>> [main] ERROR HelloWorld -
>> > > >> org.apache.logging.log4j.spi.AbstractLogger
>> > > >>>>>>>
>> > > >>>>>>> Jars in classpath
>> > > >>>>>>> ----------------------
>> > > >>>>>>> log4j-api-2.0.1.jar
>> > > >>>>>>> log4j-to-slf4j-2.0.1.jar
>> > > >>>>>>> slf4j-api-1.7.7
>> > > >>>>>>> slf4j-simple-1.7.7
>> > > >>>>>>>
>> > > >>>>>>>
>> > > >>>>>>> Also the code works fine if i remove the slf4j
related jars
>> and
>> > > >>> replace
>> > > >>>>>> it
>> > > >>>>>>> with log4j core.
>> > > >>>>>>>
>> > > >>>>>>> Is there any configuration that i have missed
?
>> > > >>>>>>>
>> > > >>>>>>> Thank You!
>> > > >>>>>>>
>> > > >>>>>>> Regards,
>> > > >>>>>>> -Yogesh
>> > > >>>>>>
>> > > >>>>>>
>> > > >>>>>>
>> > > >>>>>> --
>> > > >>>>>> Matt Sicker <boards@gmail.com <javascript:;>
<javascript:;>>
>> > > >>>>
>> > > >>>>
>> > > >>>>
>> > ---------------------------------------------------------------------
>> > > >>>> To unsubscribe, e-mail:
>> log4j-user-unsubscribe@logging.apache.org
>> > > >>>> <javascript:;>
>> > > >>>> For additional commands, e-mail:
>> log4j-user-help@logging.apache.org
>> > > >>>> <javascript:;>
>> > > >>
>> > >
>> > > ---------------------------------------------------------------------
>> > > To unsubscribe, e-mail: log4j-user-unsubscribe@logging.apache.org
>> > > For additional commands, e-mail: log4j-user-help@logging.apache.org
>> > >
>> > >
>> >
>>
>

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