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From Daniel Kulp <>
Subject Re: [DISCUSS] Use Nexus for releases and/or snapshots?
Date Wed, 01 Jul 2009 14:47:38 GMT

OK.   With Maven 2.2.0 finally out, we should have a version of Maven that 
works with GPG plugin (and thus is usable for Apache releases) as well as 
provides functionality for encrypted passwords and such in settings.xml.    
Thus, I'd like to revisit this.  

Since our snapshots are already there, this really will just impact the 
release process, which mostly means it impacts me.   Obviously the 
instructions on the wiki for doing releases and such will need to be updated 
as well.  

Anyway, are there any objections?


On Thu February 19 2009 1:38:49 pm Daniel Kulp wrote:
> Some of you may be aware that the Maven team (actually Sonatype) has
> installed Nexus repository manager onto a zone at
>    Thus, projects are now being given the
> option to use the Nexus repository instead of the stuff on
> for things like snapshots and/or releases.
> One main advantage is that it uses HTTPs for deploys.   No futzing with
> ssh/scp to get deploys working.   You need to put a setting or two in your
> settings.xml file for auth info, but that's it.  The deploys will just
> work.
> From a release perspective, it also supports easy staging and promotion.
> When a release is deployed, it goes into a staging area automatically.   We
> then call the vote and if the vote passes, it's a push button promotion to
> deploy it to central.   Nexus handles all the metadata and such.   You
> don't need the maven-stage-plugin anymore.
> Now for the downsides:
> 1) The https self signed cert they currently use requires some work to
> embed it into your jre keystore.   They've asked for a real cert, but
> haven't gotten it yet.
> 2) Requires a little user management to put all of use into the "cxf" group
> (if only Apache had ldap....), but Sonatype and the Maven PMC is willing to
> manage that.
> 3) User impact:  if we decide that snapshots should go to nexus (we could
> just do releases), users that use the snapshots would need to change their
> URL's to grab from the new URL.     The links on our wiki would need to
> change as well.
> 4) Obviously, our release procedures wiki page would need major updating.
> 5) Learning curve: something new.   You can see the maven release docs:
> for a kind of walkthrough of how it would work. (with screen shots!)
> Anyway, I'd like to hear others thoughts.    It MOSTLY applies to myself
> and Willem as we're the only ones that have done releases.   However, the
> snapshot stuff applies to Benson and a couple others as well.

Daniel Kulp

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