I like that idea.

Nick

On Apr 10, 2013, at 9:43 AM, Remko Popma wrote:

> About the mutual exclusivity, would it be an idea to throw an exception from 
> either log4j-slf4j-impl or log4j-to-slf4j when it detects that the other jar 
> is on the classpath?
> I just proposed a way to do that in 
> https://issues.apache.org/jira/browse/LOG4J2-204
> 
> 
> 
> From: Nick Williams <[email protected]>
> To: Log4J Developers List <[email protected]> 
> Sent: Wednesday, April 10, 2013 11:37 PM
> Subject: Re: Maven Group Ids
> 
> I'm guessing there's no way to tell Maven that two dependencies are mutually 
> exclusive and cannot both be used (for example, log4j-slf4j-impl and 
> log4j-to-slf4j)? Because that would be convenient...
> 
> Nick
> 
> On Apr 10, 2013, at 9:30 AM, Ralph Goers wrote:
> 
>> Well, I originally had them all in one groupId but it was suggested that 
>> they be split to distinguish core functionality from the extra stuff. That 
>> did and still does make sense to me, although using the groupId may not be 
>> the best way to distinguish it.  It might be done simply through a better 
>> web site design.  We have had a couple of users now include all the jars in 
>> their project.  The different groupIds hasn't stopped that.  To be honest, 
>> I'm not really sure what would.
>> 
>> I have no problem switching back to a single groupId if that is the 
>> consensus, but we really need to lock that down as we can't be doing that 
>> after 2.0 GA is released.
>> 
>> Ralph
>> 
>> On Apr 10, 2013, at 6:21 AM, Gary Gregory wrote:
>> 
>>> Hi All:
>>> 
>>> I find it confusing to have >1 group Id, for example in Ivy, when I tried
>>> 
>>>     <dependency org="org.apache.logging.log4j" name="log4j-api" 
>>> rev="2.0-beta4" />
>>>     <dependency org="org.apache.logging.log4j" name="log4j-core" 
>>> rev="2.0-beta4" />
>>>     <dependency org="org.apache.logging.log4j" name="log4j-1.2-api" 
>>> rev="2.0-beta4" />
>>> 
>>> it bombed because the 1.2 API is in "org.apache.logging.log4j.adapter" not 
>>> "org.apache.logging.log4j"
>>> 
>>> What is the point of this complication? It's bad enough we have a bunch of 
>>> jars, but multiple group ids?
>>> 
>>> Gary
>>> 
>>> -- 
>>> E-Mail: [email protected] | [email protected] 
>>> JUnit in Action, 2nd Ed: http://bit.ly/ECvg0
>>> Spring Batch in Action: http://bit.ly/bqpbCK
>>> Blog: http://garygregory.wordpress.com 
>>> Home: http://garygregory.com/
>>> Tweet! http://twitter.com/GaryGregory
>> 
> 
> 
> 

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