That's the way to go. Even more if you're able to attach a test project. One report without report is far less likely to be worked on. Cheers Le 13 févr. 2014 14:06, "Reto Hablützel" <ret...@rethab.ch> a écrit :
> So what's the status on this? Shall I create a ticket? > > > On Fri, Feb 7, 2014 at 5:04 PM, Ron Wheeler > <rwhee...@artifact-software.com>wrote: > > > Exclusions will not help in this case. > > Looking through the dependency hierarchy will at least get you to see the > > problem earlier which I think was the nature of your question. > > > > It appears from my brief reading and fun with making servlets run in > > production that classloaders merge classes by name. > > Maven does not. > > > > I am a bit surprised that groupId does not count. > > > > If one uses a lot of third -party libraries, it would seem inevitable > that > > you could need com.artifact-software:utilities:1.0 at the same time as > > ch.rethab:utilities:1.0 at the same time. > > The classloader is not going to cause any problem but if Maven throws out > > one of these as a duplicate, you will be missing classes at run-time. > > > > It is difficult to force everyone to create unique artifactIds unless you > > get rid of the GroupId altogther and make GAV -> <AV> and put the group > > name into the artifactID. > > > > This seems to be a design flaw if it is true. > > > > Ron > > > > > > On 07/02/2014 9:43 AM, Reto Hablützel wrote: > > > >> Sure, but exclusions don't do the trick if you need both of them, do > >> they? I am talking about completely independent libraries that happen to > >> have the same artifactId. > >> > >> Those were actually both libraries of mine and I could obviously fix > this > >> issue rather simply, but I was just thinking that it would be helpful to > >> have at least a warning or something from maven - regardless of the IDE. > >> > >> - Reto > >> > >> > >> On Fri, Feb 7, 2014 at 3:33 PM, Ron Wheeler <rwheeler@artifact-software. > >> com <mailto:rwhee...@artifact-software.com>> wrote: > >> > >> If your IDE supports Maven (Eclipse/STS for example), you will see > >> the conflict in the dependency hierarchy view and you can fix it > >> with the right exclusions. > >> > >> It is almost always worth a quick look through the dependency > >> hierarchy view if you use a lot of third party libraries. > >> Not everyone updates their dependencies when they build a > >> shareable library. > >> You can sometimes get some pretty old versions of things dragged > >> in with the latest version of otherwise well-written libraries. > >> Exclusions need to be added to get what you want in your artifacts. > >> > >> Ron > >> > >> > >> On 07/02/2014 9:21 AM, Reto Hablützel wrote: > >> > >> Hi there, > >> > >> I built an ear using the maven-ear-plugin (version 2.6). > >> > >> The ear is configured such that it includes two libraries into > >> the lib > >> folder, both with the same artifactId as well as the same > >> version, but a > >> different groupId. Now if I simply call 'mvn package' only the > >> first one is > >> included, but no warning whatsoever appears. Only once I turn > >> on debugging > >> (mvn --debug package), I see one subtle message: > >> [DEBUG] Skipping artifact [jar:com.foo:bar:1.0] as it is > >> already up to date > >> at [lib/bar-1.0.jar] > >> > >> Wouldn't it make sense to either include the groupId in the > >> filename or at > >> least make a check (that includes the groupId) beforehand if > >> there are any > >> conflicts? > >> > >> Cheers, > >> Reto > >> > >> > >> > >> -- Ron Wheeler > >> President > >> Artifact Software Inc > >> email: rwhee...@artifact-software.com > >> <mailto:rwhee...@artifact-software.com> > >> > >> skype: ronaldmwheeler > >> phone: 866-970-2435, ext 102 > >> > >> > >> > --------------------------------------------------------------------- > >> To unsubscribe, e-mail: users-unsubscr...@maven.apache.org > >> <mailto:users-unsubscr...@maven.apache.org> > >> > >> For additional commands, e-mail: users-h...@maven.apache.org > >> <mailto:users-h...@maven.apache.org> > >> > >> > >> > > > > -- > > Ron Wheeler > > President > > Artifact Software Inc > > email: rwhee...@artifact-software.com > > skype: ronaldmwheeler > > phone: 866-970-2435, ext 102 > > > > >
