Log4j2 have a nice impl of slf4j:
http://logging.apache.org/log4j/2.x/performance.html

Are people able to override with putting an other impl in $M2_HOME/lib/ext ?

2012/9/9 Jason van Zyl <ja...@tesla.io>:
> To complete this work and unify all the logging under SLF4J can we pick an 
> implementation?
>
> I have everything routing through SLF4J so everything using Plexus loggers or 
> SLF4J loggers use the same SLF4J implementation. Even if we pick the simple 
> implementation for now I can completely clean up the CLI and it will simply 
> be a matter of dropping in an implementation JAR. Even the Log4J 
> implementation is only 500k in total. I'm using Logback myself but it really 
> doesn't matter what implementation we pick, I'd just like to pick one and 
> finish the cleanup.
>
> On Sep 8, 2012, at 3:39 AM, Stephen Connolly wrote:
>
>> +1 on bump to 3.1
>>
>> On Friday, 7 September 2012, Anders Hammar wrote:
>>
>>> I know. But there wasn't much visible change in v3.0 either. And I'm
>>> thinking that it would be easier to communicate a dependency on Maven
>>> 3.1+ than 3.0.5+ if some component utilizes the JSR330 support.
>>>
>>> Version numbers are cheap. Why not bump and get some attention? :-)
>>>
>>> /Anders
>>>
>>> On Fri, Sep 7, 2012 at 10:03 PM, Jason van Zyl <ja...@tesla.io> wrote:
>>>> There are no visible user changes, so I don't think so. There aren't
>>> even any changes to integrators unless they want to use take advantage of
>>> the changes.
>>>>
>>>> On Sep 7, 2012, at 4:01 PM, Anders Hammar wrote:
>>>>
>>>>> Maybe this even should bump the version to v3.1?
>>>>>
>>>>> /Anders
>>>>>
>>>>> On Fri, Sep 7, 2012 at 5:37 PM, Olivier Lamy <ol...@apache.org> wrote:
>>>>>> Maybe I miss something but we don't have any associated jira entry for
>>>>>> reference in release notes neither core it test.
>>>>>> Do you have a bit of time for that ?
>>>>>>
>>>>>> Thanks
>>>>>> --
>>>>>> Olivier
>>>>>> 2012/9/3  <jvan...@apache.org>:
>>>>>>> Author: jvanzyl
>>>>>>> Date: Mon Sep  3 01:07:31 2012
>>>>>>> New Revision: 1380105
>>>>>>>
>>>>>>> URL: http://svn.apache.org/viewvc?rev=1380105&view=rev
>>>>>>> Log:
>>>>>>> o Enabled support and discovery of JSR-330 components
>>>>>>>
>>>>>>> o Added Slf4j logger factory to support generic JSR-330 logging
>>>>>>>
>>>>>>> o Exported Guice package for components that access Guice (or better
>>> it's injector) directly
>>>>>>>
>>>>>>> Widen export of Guice packages (not ideal, need to look into ways to
>>> avoid this)
>>>>>>>
>>>>>>> o use specific exports
>>>>>>>
>>>>>>> o for now we will attempt to hide all of Guice in plugin realms and
>>> we'll do a bit of testing
>>>>>>>
>>>>>>> closes #3
>>>>>>>
>>>>>>> Added:
>>>>>>>
>>> maven/maven-3/trunk/maven-embedder/src/main/java/org/apache/maven/cli/PlexusLogger.java
>>>>>>>
>>> maven/maven-3/trunk/maven-embedder/src/main/java/org/apache/maven/cli/PlexusLoggerFactory.java
>>>>>>> Modified:
>>>>>>>   maven/maven-3/trunk/apache-maven/pom.xml
>>>>>>>
>>> maven/maven-3/trunk/maven-core/src/main/java/org/apache/maven/classrealm/DefaultClassRealmManager.java
>>>>>>>   maven/maven-3/trunk/maven-embedder/pom.xml
>>>>>>>
>>> maven/maven-3/trunk/maven-embedder/src/main/java/org/apache/maven/cli/MavenCli.java
>>>>>>>   maven/maven-3/trunk/pom.xml
>>>>>>>
>>>>>>> Modified: maven/maven-3/trunk/apache-maven/pom.xml
>>>>>>> URL:
>>> http://svn.apache.org/viewvc/maven/maven-3/trunk/apache-maven/pom.xml?rev=1380105&r1=1380104&r2=1380105&view=diff
>>>>>>>
>>> ==============================================================================
>>>>>>> --- maven/maven-3/trunk/apache-maven/pom.xml (original)
>>>>>>> +++ maven/maven-3/trunk/apache-maven/pom.xml Mon Sep  3 01:07:31 2012
>>>>>>> @@ -83,6 +83,10 @@
>>>>>>>      <groupId>org.sonatype.aether</groupId>
>>>>>>>      <artifactId>aether-connector-wagon</artifactId>
>>>>>>>    </dependency>
>>>>>>> +    <dependency>
>>>>>>> +      <groupId>org.slf4j</groupId>
>>>>>>> +      <artifactId>slf4j-nop</artifactId>
>>>>>>> +    </dependency>
>>>>>>>  </dependencies>
>>>>>>>
>>>>>>>  <build>
>>>>>>>
>>>>>>> Modified:
>>> maven/maven-3/trunk/maven-core/src/main/java/org/apache/maven/classrealm/DefaultClassRealmManager.java
>>>>>>> URL:
>>> http://svn.apache.org/viewvc/maven/maven-3/trunk/maven-core/src/main/java/org/<http://svn.apache.org/viewvc/maven/maven-3/trunk/maven-core/src/main/java/org/apache/maven/classrealm/DefaultClassRealmManager.java?rev=1380105&r1=1380104&r2=1380105&view=diff>
>
> Thanks,
>
> Jason
>
> ----------------------------------------------------------
> Jason van Zyl
> Founder & CTO, Sonatype
> Founder,  Apache Maven
> http://twitter.com/jvanzyl
> ---------------------------------------------------------
>
> We know what we are, but know not what we may be.
>
>   -- Shakespeare
>
>
>
>
>



-- 
Olivier Lamy
Talend: http://coders.talend.com
http://twitter.com/olamy | http://linkedin.com/in/olamy

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