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From Hadrian Zbarcea <>
Subject Re: Supported maven version ?
Date Wed, 27 Apr 2011 13:07:58 GMT

I suggested using 3.x as a minimum before seeing your previous mail, sorry about that.
That said, JB asked if there is a reason to not bump the version even higher and personally
I would go for it if possible.

If some members of the existing community use mostly mvn 2.2.1 for ace, or other projects
in their daily work, then it would be inconvenient, indeed, to force them to use different
versions of maven. That would be a strong reason to stay with 2.2.1 as a minimum.

However, if you consider just the ace project, if most (all) use mvn 3.x, supporting 2.2.1
would force (at least) the release manager to build with both and (probably) release with
2.2.1, because you cannot claim support for 2.2.1 and not use/test with it. There are differences
in versions of plugins used during the build that can be annoying to figure out. I experienced
that first hand (I did a release once on 3.0.2 and somebody discovered that it doesn't build
with 2.2.1; I obviously had to fix a plugin version and redo the release, not fun). Personally,
I use both 2.2.1 and 3.0.3 (don't have much of a choice) so for me it's not really a problem,
but I always prefer 3.0.3, mostly for it's cleaner/clearer/helpful output and I encourage
everybody to use that version.


On Apr 27, 2011, at 8:42 AM, Karl Pauls wrote:

> i just updated the rule to 2.2.1. That should be good enough for now -
> we support 2.2.1 atm so why not go with it?
> regards,
> Karl
> On Wed, Apr 27, 2011 at 2:37 PM, Jean-Baptiste Onofré <> wrote:
>> Agree with Hadrian:
>> is there any reason to not use Maven 3 ?
>> I made all changes in the build to fully support Maven 3, so I think that we
>> can use that for the first ACE release.
>> Regards
>> JB
>> On 04/27/2011 02:34 PM, Hadrian Zbarcea wrote:
>>> The minimum supported version should be at least 2.2.1. Maven 2.2.0 and
>>> prior have bugs (iirc some related to artifact signing) and it shouldn't be
>>> used.
>>> In any case, I don't believe anybody is still using such older versions. I
>>> would also be ok with requiring at least 3.x. It's a new project, I don't
>>> think many would object to that and it has some nifty features (like better
>>> reporting, using multiple threads).
>>> My $0.02,
>>> Hadrian
>>> On Apr 27, 2011, at 4:15 AM, Jean-Baptiste Onofré wrote:
>>>> Hi all,
>>>> I fixed ACE-127 to use the maven enforcer plugin for the maven and JDK
>>>> version check.
>>>> For now, I set maven 2.0.11 as the minimum version.
>>>> Could we act that we *only* support maven 3 now ?
>>>> If all are OK, I will update the enforcer configuration and the ACE build
>>>> page:
>>>> Thanks
>>>> Regards
>>>> JB
> -- 
> Karl Pauls

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