On Thu, Aug 28, 2008 at 9:56 PM, simon <[EMAIL PROTECTED]> wrote: > > On Wed, 2008-08-27 at 15:28 +0200, Niklas Gustavsson wrote: >> Hi >> >> commons-net still uses "commons-net" as the groupId. Other commons >> components (including the parent POM) seems to have changed to >> org.apache.commons. Is there any reason for not making the same change >> for net? > > Note that I'm not speaking for commons-net here, just commenting in > general. > > Very few commons components have changed their groupId, AFAIK. > > It is generally agreed that a groupId of "org.apache.commons.*" would be > better. However when changing the groupId it is necessary to also > correctly deploy a "redirect" pom to tell maven that the groupId has > been changed; failing to do this can result in an app getting two copies > of the same library in the classpath because Maven does not know that > the two different groupIds are actually equivalent. > > Deploying this "redirect" pom must be done at the same time as a version > release. > > And because the central repo artifacts should never be modified, the > redirect pom had better be correct the first time, or things get > embarrassing. > > So AFAIK projects have generally avoided making the change simply > because of worry about getting the redirect pom wrong, plus the lack of > any major benefit to compensate for the extra work it involves. > > Changing the groupId of a parent pom is much easier actually; no > redirect pom is needed because parent poms don't have "version > resolution" going on, where 1.0 or 1.1 or 2.3 or whatever can be chosen > depending on transient dependencies. Instead for a parent pom the > version to use has to be explicitly specified.
Some previous threads on this are here: http://markmail.org/message/tky6c734r2dia2gd http://markmail.org/message/gov633sq5mgzjnkp http://markmail.org/message/rl4cueaxa7q75wgf http://markmail.org/message/wdrgfppjrppbofqc Niall > Regards, > Simon --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
