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From Dennis Lundberg <>
Subject Re: [all] maven group ids
Date Wed, 16 Aug 2006 20:06:42 GMT
Tomasz Pik wrote:
> On 8/15/06, Dennis Lundberg <> wrote:
>> Rahul Akolkar wrote:
>> > On 8/12/06, Dennis Lundberg <> wrote:
>> >> Oliver Heger wrote:
>> >> > Hi,
>> >> >
>> >> > just wanted to ask if there is already a resolution related to the
>> >> > groupIds of commons components.
>> >> >
>> > <snip/>
>> >>
>> >> Everything is set to make the transition to the new groupId. I was
>> >> hoping that we could use the upcoming release of configuration as the
>> >> first release with the new groupId.
>> >>
>> > <snap/>
>> >
>> > Do we want to do this? Shouldn't we transition all of Commons together
>> > (as Tomasz implies in previous post, and just like we did with the
>> > JIRA transition). Suboptimal if folks have to look up which components
>> > have migrated yet, there are different groupIds for Commons components
>> > in the same POM etc.
>> We should do all of commons, I agree, but I think it would be wise to
>> start with one component and see that everything works as expected. Then
>> we do the rest all in one big transition.
> Yes, but instead of transiting something, that depends on other commons
> IMHO something without dependencies should be transited first.
> In other words, first thing to be done should be a graph of dependencies
> between various commons packages and those without dependencies
> should be migrated first. I guess commons-lang is a good candidate here,
> not configuration that depdends on many other (not migrated yet) 
> components.

What would we gain from this? A transition of component A will not 
include updating existing commons-dependencies in component A to the new 
ones with the new groupId. That will require a new release of that 
component A. If fact we don't even have to wait for a release of a 
component to do this.

There is a good reason for *not* picking commons-lang or 
commons-logging, two components without dependencies on other commons 
components, as the first component to transition. That is that both are 
on ibiblio's top 10 downloads list. I had link to it before but can't 
seem to find it now, sorry. If we do it wrong there then all hell will 
break loose. It'd be better to choose a "medium used" component.

Dennis Lundberg

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