[jboss-dev] Re: slf4j

[Dimitris Andreadis]

It can be confusing. When I looked at it some time ago I noted down:

slf4j is the logging facade, that can have back-ends:

- nop
- simple logger
- java.util.logging
- log4j
- logback (former nlog4j, successor to log4j)

Then there are the drop-in replacement libraries:

a) jcl104-over-slf4j, drop-in replacement for Jakarta Commons Logging over slf4j
b) log4j-over-slf4j, drop-in replacement for log4j over slf4j

It seems you can have all sorts of combinations.

Julien Viet wrote:
> "Logback is intended as a successor to the popular log4j project. It was 
> designed by Ceki Gülcü, the founder of the log4j project. It builds upon 
> exerience gained in building industrial-strength logging systems going 
> back as far as 1999."
> 
> after 8 years of doing logging I hope he has a good experience of what 
> logging is :-)
> 
> 
> On 5 juil. 07, at 20:52, Anil Saldhana wrote:
> 
>> slf4j is the parent of nlog4j and now all development has moved into 
>> http://logback.com   Where does the linking end?
>>
>> If we are doing MINA, then it uses slf4j.
>>
>> Scott M Stark wrote:
>>> No, as I was loathe to introduce yet another logging wrapper.
>>>
>>> Steve Ebersole wrote:
>>>
>>>> On Thursday 05 July 2007 08:08:02 am Steve Ebersole wrote:
>>>>
>>>>> I am considering moving Hibernate to use slf4j instead of 
>>>>> commons-logging. I had been considering moving to straight log4j 
>>>>> usage anyway to get MDC/NDC
>>>>> capability, but slf4j just added this capability.  So it now has 
>>>>> all the
>>>>> capabilities I need.
>>>>>
>>>>> Just curious whether anyone has seen it used within JBoss AS and 
>>>>> what the
>>>>> experiences were.
>>>>>
>>>> So then back to my original question... ;)
>>>>
>>>> I guess noone has any compliants (or no experiences) with slf4j?
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>>
>> -- 
>> Anil Saldhana
>> Project/Technical Lead,
>> JBoss Security & Identity Management
>> JBoss, A division of Red Hat Inc.
>> http://labs.jboss.com/portal/jbosssecurity/
>>
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> 
> Julien Viet
> JBoss Portal Project Lead
> Red Hat Inc.
> 
> http://jbossportal.blogspot.com/
> 
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